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Патент USA US2128690

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Aug. 30, 1938.
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M. L. BURKE El‘ AL
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2,123,690
PNEUMATICALLY OPERATED ‘EDUCATIONAL GAME I
Filed ‘March’ 23, 1935
5 Sheets-Sheet 1
$191.
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'Aug. 30,l 1938.
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M. L. BURKE ETiAL '
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2,123,590
PNEUMATICALLY OPER‘ATED EDUCATIONAL GAME
Fileld March 25, 1935
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Aug. 30, 1938.
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M. |_. BURKE El‘ AL_
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PNEUMATICALLY OPERATED EDUCATIONAL GAME
Filed March 23. 1935
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Aug- 30, 1938-
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PNEUMATICALLY‘ OPERATED EDYUCATIONAL GAME
Filed March 23, 1935
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Patented Aug. so, 1938
7 2,1285%
UNITED STATES PATENT’ OFFICE
2,128,690
PNEUMATICALLY OPERATED EDUCA
TIONAL GAME
Minnie L. Burke and Richard J. Burke, Alta
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dena, Calif.
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Application March 23, 1935, Serial No. 12,600
19 Claims.
Our invention relates to games, and to educa
tional, display and scienti?c devices.
An object of our invention is to provide a de
close simulation'of the ?ight of an-actual air
?ight of an actual aircraft.
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A more detailed object in this connection is to
provide a device of the character described where
in the model aircraft is supported and moved
manipulation of the device, either by indicating
certain points, such as distantly ‘spaced airports,
between which a model aircraft is to be ?own in
a minimum of time, or by duplicating courses to t
than one person can operate the device simul
through which the jets are directed.
It is a further object to‘provide means" oper
25 able from a point remote from the model aircraft
for moving the nozzle or‘nozzles, as the case
might be, whereby the model aircraft can be
‘caused to follow a predetermined path with re
taneously, the object being for each operator to 1 0
complete the ?ght of his “ship” over the pre
scribed, course before any of his competitors.
Among the general objects of - our invention is
that of providing a device of the general char?
acter indicated which is adapted to develop‘ ‘the
skill of an operator in maneuvering his aircraft
with’ an increasing degree of e?iciency, and yet
which is capable of being operated with such
spect to certain points represented upon the map. , measure of success with only a minimum of skill
Still another object is to provide. means for that it Will be of real value as a game or educa
controlling the direction toward which the model tional device to be played or operated by rela
aircraft is pointed with respect to the points of tively young and/or unskilled persons.
thecomp‘ass as represented upon the map, and
Another important object is to provide a con
also the position of the model aircraft with re
spect to the horizontal, whereby theeffects of
steering, banking, nosing up and down, and other
struction whereby we can secure the foregoing
and other advantages by the use ofra minimum
movements of actual ?ying can be imitated in
number of parts, and which is simple in design,
inexpensive to manufacture and assemble, and
the movements of the model aircraft.
‘positive and relatively simple in operation.
'
A further object is to provide controlling means
40' of the character indicated which are adapted to
be operated by a manually operable lever pivoted
at its lower end and movable to operate the
principal controls of the model aircraft in close
simulation of the manner in which the controls
of an actual aircraft are operated by the “joy
stick” thereof.
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It is a further object of our invention to pro
vide interchangeable maps and means for mount-7
ing a selected map over which the model aircraft
can be ?own, whereby a person is enabled't'o
~ receive instruction regarding the air routes trav
ersed by actual aircraft in regularly scheduled
?ights, and the like.
65
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A still further object of the present inventionis ?
to introduce the element of competition into the
nozzles movably disposed and concealed below the
ranged apertures are provided in that surface
5
quired to manuever an airplane.
about by one or more jets issuing from a nozzle or
craft ?ies, it being understood that suitably ar-'
139
map, whereby valuable instruction can be im
parted to a student pilot regarding the character
be traversed in a single device, and providing a
model aircraft and operating means vtherefor as
sociated with each of the courses,"whereb'y more
‘20 map or other surface over which the model air
‘
ture hazards can be simulations of the real hazards
likely to be encountered by an actual aircraft
in ?ying the course represented upon a given
of the territory over which he might later be re
,
Another object is to provide a device of the
character indicated, wherein the model aircraft
is supported and moved about by means invisible
to an observer, whereby to enhance the reality of
the illusion created by the model, simulating the
15
can be ?own, such as miniature mountains, power
lines, fences, lakes, and'the like. These minia
vice wherein a model aircraft is caused to move
-5. over a suitable operating surface, such as a map
or other representation of a selected terrain, in
craft.
(Cl. 35—40)
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It is another object to provide hazards" over,
around, and/or through which the modelaircraft
The invention possesses other objects and ad
vantageous features, some of which, ‘with the 454.0
foregoing, will be set forth in the following de
scription of the preferred forms of our inven
tion which are illustrated in the drawings ac
companying and forming a portion of the speci
?cation. It is to be understood that we do not
limit ourselves to the showing made by the said
drawings and description, as we may adopt varia-4
tions of the preferred forms within the scope of
our invention as set forth in the claims.
Referring to the drawings:
Figure 1 isa perspective view illustrating a de
vice embodying the principles of the‘present in
5
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vention. . The source of ?uid supply is illustrated
diagrammatically;
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2,128,690
elevation above and substantially parallel to the
bottom 22 of the housing 2|‘.
The supporting member is adapted to receive
and releasably retain a map 28, the outside di
mensions of, which preferably are such that it
?ts nicely within the frame 24, so as to be sup
ported by the spaced wires 23 at suitable eleva
Figure 2 is an enlarged top plan view of the
device illustrated in Fig. 1.
‘
Figure 3 is an enlarged, horizontal sectional
view, the plane of section being indicated by the
CI line 3—3 of Fig. 1.
Figure 4 is an enlarged, detail view illustrating
the manner of connecting the source of ?uid
supply .to the device.
tion .above the bottom 22. .This map preferably
isone of aplurality, any one>of which can be
This view may be con
sidered a vertical sectional view taken upon the
selected at will and placed in operable‘ position, 10
10 line 4'-—4 of Fig. 3 with the direction of view as
indicated by the arrows.
.as hereinabove indicated. 'Each map 28 depicts
a predetermined terrain—for example, that illus
trated on :Fig..“2 is a map of the United States,
:having imprinted thereon the outline 29 of the
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Figure 5 is an enlarged detail view which may
be considered a vertical section ‘taken upon the
line 5—5 of Fig. 3 with the direction of view‘as
15 indicated by the arrows.
.United States, with various important cities 3i, 15
Figure 6 is an enlarged detail view in vertical; such asiNeW York, Washington, and’ Los Angeles,
medial section taken through the movable‘ head indicated in appropriate locations. Marked upon
.‘eachlmap are ‘certain routes 32 interconnecting
which carries the jet-forming nozzles, and show
certain-of the cities which are indicated thereon,
and surrounding all or selected ones of the cities 20
ing the manner wherein a model aircraft is sup
20 ported by the jets. The position of the model
aircraft in ?ightiis indicated in broken lines.
Figure 7 ‘is a top plan‘view of the type of
model aircraft illustrated‘i-n“ Fig‘. 6. '
areas 35 of predetermined size whichare in-_
tended to represent airports for the ‘respective
cities. Thus itmay be seen'that eachrof the
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maps 2-8 is in realitya chart indicating conven
Figure '8 isa view-inside elevation'showing 7a
235 modi?ed type of rmodel aircraft.
Figure >9-‘is-a view" inside elevatiohshowing a
still 'iurther-modi?edtype ‘of model aircraft best
suited for-‘but not limited ‘to, 'u'se‘in conjunction
tional airvroutes between'important cities, and 25
it is "preferred that the'imaps ‘be made relatively
accurate; "1. e., with :their respective air routes
substantially corresponding to those regularly
traversed by actual-mail and‘passen'ger iairplanes
with the modi?cation‘of “our. invention?llustrated
in Figures 'l-O'to l3’inc'lus'ive.
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following regular schedules, the purpose being'to
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make the fdevice'v'e'ducational sothat persons em
‘Figure _‘]:0 ’i's“a ‘View similar to‘Figure ‘1 :but
showing a modi?ed’form‘of device ‘embodying the
principlesmof the "present ‘invention.
‘
ploying it can receive -:valuable' 'instructiomnot
only in‘the- geography 'of'the terrain represented
by each map, but also 'concerrling‘the ‘regularly
'
Figure ~11'is“a ‘longitudinal, "vertical sectional
view, the-plane ~ of section "being indicated by " the
followed routes of "air ’ ‘travel "between " important
line -~l‘|-=l l of Fig. T0 "with the rdirection'oi view
points-in .that‘terrain.
as-indicate'd.
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posed*underneath"~the‘map "28. Preferably these
apertures :33 are in‘the 'form'of "elongated slots
substantially continuous throughout "the 'J'Iength
of - each air route '32.
"
21%
ing across theapertures '33 'so as'f'to support a
portion 36 of the map‘ which ‘is completely sur-‘
rounded, or :in some instances only 'partiallyvsur
ing amodi?ed ‘form ‘ of ~ nozzle-carrying ‘headjlil'ie
nozzles of-whichare providedWi-th-means "for
controlling the ?ow~of~?u~id therethrough;
Figure lr5-is‘a~plan‘ view'ta'ken in‘rthe: direction
50 of the arrow-l 5 of 'Figi'lll'and showing idiag'ram'e
mat-ica-l-ly the electrical circuits associated with
the ?ow-controlling means of Fig. \14.
rounded‘ by slo'ts‘33. These’webs, however, are
preferably relativelyharrow vso ‘as’to ‘interfere as
little as possible 'with the "flow v"of “fluid issuing
from:a~nozzle moving 'along‘ia slot'3'r3'withits’jet -
directed upwards "through ‘that slot.
:Figure" ‘1-6==-is —a transverse, " vertical sectional
Whereas variousttypes of . operating mechanism
view illustrating ‘ a still " further " modi?ed‘rfo-rm ‘of
may ‘be v‘employed for carrying anozzle 'below' and as
in proper operative relationto theinap 28, Figure
3'illustrates one'type which has proven satisfac
principles of - our present.
invention.
However, under certain
circumstances, ‘webs ~34-must “be provided‘ extend;
45 "Figure-~14 is a~viewi'similar-to'Fig.‘G-but show
55 device ‘embodyingt-he
i
suitable fluid can be "directed ‘from 'a "nozzle ' dis-' 40
‘
Figure "l8'is a more highly-enlarged‘ detail view
in verticalrsectionttakeniup'on“the lin‘e 13-413 of
FigJ-lZ.
‘
sociated therewith'a‘suitable aperture of ‘aper
tures ‘33, {through ‘which a ‘jet of 'air or ‘other
'Figure 12 "is :an enlarged detail “view‘ off-the
mechanism’ for ‘advancing “the nozzle-‘carrying
40 head "in the modi?catiorir'il‘lu'stratedin Figures .10
andll'."
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' Each "of the "air routes thus indicatedhas as;
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In terms of broad inclusion, the present inven
tion contemplates the~provision=of :a device where-.4 tory. This operating mechanismfdl "comprises
elongated; tubular arms ‘43 and 44 ‘pivota-llyjoined
in a ‘body representing and-identi?ed asaawminia
at their'lends vHand-"4'1, respectively, ‘by a‘tubul'ar 80
60 ture model ofiarr aircraftis supportedzin i-mid-a-ir
through:thewexpediento?one or more .iets of-?uid, pintle '48 (see 'Fig."5) ‘extending vertically through
preferably invisible :soas :t'owcrea-te the illusion both "tubular arms F43 and ‘ 4'4, and having ‘ aper
of “actual -flight of rthe'nmodelvaircraft. ' -' "
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' This inventive concept "has received ‘a variety
65 of -»'expressions, one‘ of which *is illustratedupon
Figures 1'~t0:<8,2inc1us'ive. ‘The device‘rhere i-llus- '
trate‘d’is adapted ‘for use as a “game or "as an
educational, display, or. sc'ienti?cdevicel ‘It comprises a housing 2| whichiincludes a'bottorn"22
.
tures 5| and 52, through ‘the expedient of which
communication is" at all ‘times métintained‘be
tween the‘bores'53 and‘54 of the‘tub'es '43 :and 44,
respectively.
The ends 56 of the tube ‘P48 ' are
closed-and a suitably tight fitisestablishedbe
tween ea'chrarm 43, '44,iand‘tlie'pintle48, to pre
vent the‘escape of anyimaterial quantity of ?uid
therebetween. ‘In this manner, the'tubular'arms 70
having disposed thereabovexa supporting mem
4'3 and“ are pivotally joined and have their re- -
ber, preferably in. "the formv of ;a grill .or spaced
wires'23 stretched upon a suitable frame'24. Legs
spective bores '53 and, 54 ‘at ‘all times intercon-.
nected for the free passaagel'oijfluid from the
'26, preferabl‘y'atlthe ‘corners of the housing ‘2l,'
support the wire-holding frame-124m suitable
tube 43’ to ‘.the tube 44. ‘
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’ "Operating'fluid, preferably air atrsuita'ble pres
2,128,690
sure, is supplied to the arm 43 through the ex
pedient of another tubular pintle 6|, the lower
end 62' of which is rigidly mounted at an edge
of ‘the operating surface 22 and preferably ad
jacent one corner thereof;
The upper end 63
of the tubular pintle 6| has rotatably mounted
thereon the end 64 of the arm 43 opposite that
end-46 which is connected to the arm 44. This
upper end 63 of the tube BI is also provided with
10 suitable openings 66, establishing communication
between bore of the tube 6| and the bore 53 of
the tube 43. A preferably ?exible tube El leads
from the lower end of the tubular pintle ?I to a
suitable source of air pressure, such as a con
15 ventional, household, vacuum cleaner 68, which
is illustrated diagrammatically in Fig. 1.
3
rality'of ?ne wires I04 or their equivalent, rep?
resenting the basket-supported shrouds of a con
ventional balloon. Preferably the basket I03 is
weighted by being ‘composed'of ‘relatively heavy
material, or by being‘ partially ?lled with suit
able weighting material, such as a small quantity
of mercury I06. The sphere I02, however, is of ~
relatively light construction, being hollow and
very
thin.
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This type of model aircraft is best suited for use
in conjunction with a single nozzle, inasmuch as
it can be supported and moved about bya single,
upwardly directed _j et of ?uid, in such a manner as
to simulate closely the ?ight of ‘an actual, full
sized balloon. Thus it may be understood that if
such nozzle is carried by the end 8| of the panto
graph arm 84, below the map 28 with the jet issu
ing from that nozzle upwardly through a slot 33,
the model balloon I0l will be supported in mid
A throttle valve ‘II and manually operable han~
dle ‘I2 therefor, for controlling the rate of ?ow
from thesource 68 to the tube 43, are provided
20 in convenient location, preferably in the lower
end of the tubular pintle 6|.
Auxiliary arms ‘I6 and ‘I? are pivoted together
resented upon the map 28. Moreover, progressof
as at 18, and also‘to the arms 43 and 44 in such
the balloon from one place to another, or between
position that the arms ‘I6 and ‘H are at all times
“airports” 35, can be effected by movement of
the nozzle in whose jet the balloon“ IOI is sup
25 parallel to the arms 44 and A3. respectively. Thus
it may be seen that the four arms 43, 44, ‘i6, and
11 are assembled in a pantograph construction ‘119,
the point of anchorage ‘of'which is the pintle SI.
~By means of this pantograph construction 79, the
30 outer end 8! of the arm 134 may be caused to
follow a selected path by moving an operating
handle 82, which is revolubly mounted at the
pivotal connection ‘I8 between the auxiliary arms
76 and ‘I1, in a similarvproportionate path, but
35 according to a reduced scale.
Consequently, a
air by that jet, thereby presenting the illusionv of 420
a balloon ?ying over the terrain depicted or rep
ported, in such a manner that the jet from that
'enozzle issuing through the slot.33 'moves along
from the starting “airport” 35 to the-“airport” 35
where the “flight” is to end.
Figures 6 and 7 illustrate a modi?ed'type of '
model aircraft equally well and perhaps better
adapted for use in conjunction with the apparatus
hereinabove described in connection with Figures
1 to 5 inclusive. This model which is indicated
in its entirety at I l I is a simulation in miniature
nozzle carried by the outer end 8| of the arm IM
of an airplane‘ of the monoplane type. The body
may be caused to move along one of the slots 33
associated with one of the air routes 32 of the
~ portion of the model airplane I I I is in the form of
map 28, by moving the'operating handle 82 in
40 the corresponding direction in a parallel path,
but through a shorter distance. Such being the
case, in some instances it may be preferable to
provide each of the maps 28 with a transparent
area 84 through which may be observed a re~
movably mounted key map 81 appropriate to the
selected map 28, and also the operating handle
82 of the pantograph '19. This key map 81 may
have delineated thereupon, at the appropriate
reduced scale, air routes 88 corresponding to the
a sphere I I2, preferably similar in constructiorito
the ball I02 of the modi?cation previously ‘de
scribed. This ball II2 represents the fusilage of 40
an actual aircraft, whereas the empennage is rep;
resented by a second and preferably smaller ball
VH3. These balls, H2 and ‘H3 are retained in
spaced relation by preferably a plurality of wires
H4 or the like, which serve as 'longerons and, 16
which cooperate with the balls H2 and H3 in
presenting a structure which has a certain degree
.of similarity of appearance to the body portion of
an actual airplane; Extending laterally from the
larger ball II2 are wings-H6, preferably in the
50 air routes 32 of the map 28 intended to be used
in conjunction therewith. By this means an op~ form of wire frames I IT, with suitable webbing I I8
erator can, by moving‘the operating handle 82 ' carriedv thereby. Preferably; however-ythe web
alongr the air routes 88 of the key map, cause the bing I I 8 is disposed onlyat the-outer end of each
nozzle to move along the operating surface 22
frame ‘,II ‘I, so that the jet which engages the
55 under’the‘slots 33 of the air routes 32 of the
ball .I I2 insupporting the model . I I i- will suffer
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little or no impingement against the webbing H8
It should be understood, however, that the de ‘ carried by either wing I I 6. We prefer also to pro
vice can be operated satisfactorily without the vide smaller wings H9. extending laterally‘from
use of the key mapriil, because the operator can the smaller‘, after balljl I3._ These wings H9 rep
map
watchv the course of the nozzle‘83 or the course
followed by a model aircraft supported in the
jet issuing therefrom, and move the operating
handle 82 appropriately to cause the nozzle 03 to
move in.-the proper direction as determined. by
the slot 33 over which the aircraft is ?ying.
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resent the elevators of the actual'aircraft of which
the model I II is a simulation. Here again, how
ever, the wings I 59 are spaced laterally outwards
from the ball I I3 by‘their supporting wires I2I,
far enough to clear the jet impinging against the
ball ‘I I3. To‘ enhance the accuracy of simulation 65
Figure 9 illustrates one type of model aircraft of an actual aircraft, preferably one or more pro
IOI in ‘the form of a miniature replica of a bal 7 pellers I22 are revolubly mounted at the frontend
of the'model III.
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loon adapted for use in conjunction with the de
' vice described hereinabove. The body portion of
Preferably a small quantity of mercury I25 or
this 'model balloon is in the form of a sphere I82 other weighting matter is disposed‘within' each of 20
the spheres II2and I'I3, resulting in lowering‘ the '
‘ whichv is a‘ simulation of .the' conventional gas
bag- ordinarily used by a well known type of
lighter than air aircraft. Depending from the
sphere I02 is a small cup- or basket-shaped mem
15 ber I03, which is supported by preferably a plu
center of gravity of eachlspherelto a point'close ' '
to the bottom wall thereof. This'has been found
‘to add very materially to the stability of themodel
airplane I'II, causing‘it to remain much‘more
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su?icient pressure to interfere with free ‘move
nearly motionless within the upwardly directed
?uid jets than’ when the weighting matter is
omitted. Thesame principle may be applied .to
ment thereof.
7
Figure>8 illustratesv another modi?ed form of
a model aircraft I5I, which in this instance is a
simulation‘of a dirigible. The body portion I52
of the model I5I is de?ned'by a wire framework
I53 rigidly interconnecting a pair of spaced balls
the model .balloonil 0 I, but it has been vfound that
in most instancesthe weight I06 in the basket I03
servesithe samepurpose.
‘This ‘type of model I II ?ies more e?iciently
when used in conjunction with a nozzle I22, I23
I54,.preferably similar in construction vto the
ball “BI and each preferably having‘a'w'eight,
for each of the balls H2, H3, respectively. The
ill) ‘spacing-between the :nozzles I22 and I23 is sub
such as a small quantity of mercury I 55 there? ‘
stantially-the same astthat between balls I I2 and
inside.
.I I3; and each nozzle'is provided at‘ its upper end
tively, at the endsof the framework I53, steering
and elevating rudders I58 and I59 respectively,
‘with-a‘suita'bleuba'sket structure I24 adapted to
‘support the :associated ball'l I2, I I3 and retain it
and miniature'pro'pellers I5I, preferably at the
sides of the body portion'l 52, enhance the exacti 15
15 in axial alignment with ‘the associated nozzle
when‘the model I'I Iris at‘ rest, i. e., when the supply
tude of simulation of an vactual dirigible, as does
also a miniature cabin I62 disposed on the under
side of the model I'5I, adjacent the nose I56.
However, in order vthat maximum efficiency of
“flight” be assured, we prefer'that these orna
mental features be spaced far enough from the
balls I54 to clear ‘the jets in which they are
of ‘?uid to the nozzles hasibeenfcut off and the
model II I has thus been lowered to the ‘position
indicated in full'lin'es upon Figure ‘6.
‘
Nose and'tail caps ‘I567 and I51, respec
Both rnozzles1I22:and I23 are carried by a head
-I3 l"whichiis*mounted‘for free ‘rotary motion upon
a tubular spindle 1.32 which'extends upwardsfrom
thez'outer 'end‘8'I :of the arm' 44 of the pantograph
119. cThus'it may beseen‘that when a model air
craft’fhav'ingcra plurality of spheres-is used, a cor
respondingnnumber of the nozzles I22 and I23 are
substitutedifor the "single nozzle v'83, whereby the
model'Ir? I vhaving the single ball I02, is supported.
The upper end I33 .of'the-tubular spindle I32
'opens'into the interior ofrthe nozzle-carrying head
supported. In the ‘center of the body I53 is pref
erably a drum I63 having an opening I64 at the
top thereof. This‘ provides‘ a cargo-carrying‘
space in which small "objects representing sacks
of mail/or other articles ‘can be carried "while
the model I5I is in ?ight.
’
By the use of the apparatus hereinabove de
scribed, both entertainment and education can
vI'3I ; .‘and the lower end I34 of the spindle I32 ex- ' be derived. By actuation'of ‘the source of ?uid,
tendsinto the bore 54 of the tubular arm 44, where such as the conventional vacuum cleaner indi
it'isipro-vided' with suitable openings I36 whereby cated diagrammatically on Figure l, ?uid at suit
able pressure can be‘supplied to the nozzles I22
' ‘?uid is.=enabled‘to'?owfrom'the bore 54 to the in
and 5723. Then by manipulation of the operating
handle 82, these nozzles ‘I22 and 'I 23 can be moved
teri'orrofithe tube I32'and thence by way of the
vheadrI3'I vto both nozzles I22 and I23.
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about over‘the operating surface 22 so asto bring
Inasmuch‘ as the spacing between the nozzles
I22‘and "I23‘is preferably greater than the width
of any of ‘the'slots .inthe map 28,‘the most e?i
them under a selected one of ‘the apertures ‘33.
By turning the operating handle '82 about its
cient‘op’eration of the device requires that the ‘ own'vertical axis, the ‘head 'I3'I carrying the 610
head 'Is3I .bekept turned so that the plane in
cluding the axes of the nozzles I22 and I23 is dis
posed s'ubstantially parallel to that slot. Other
wise, one or .both of the'jets issuing from the
_ nozzles I22, I23 will be interrupted and support of
the model I I I thereby'made more dif?cult or im
possible. The means for enabling the operator to
keepthe nozzles I22 and I23 parallel to the slot
along which the model 'III is being advanced,
comprises a cord I'4I or "its equivalent, engaged
vupon ‘and extending around the rotary head I3I.
Both runsof the cord IlII vextend along the arm 44
'(see Fig. 3) to a-pulley arrangement I42, the axis
of which .ipreferably coincides'with'the axis of the
pivotal connection between the arms 44 and TI,
whence‘ both' runs ‘extend. to ‘the operating handle
82 at the'pivotalconnection ‘I8 between the arms
"I6 and'TI. Thus it may be seen that the handle
82 serves the double function of enabling the op
erator to move the entire pantograph in such "a
manner that the nozzle-bearing head follows the
.
nozzles
I22 and I23 can be similarly rotated
whereby to bring both ‘nozzles ‘into alignment
with the"se1ected"'slot or aperture 33. The jets
issuing from"the*nozzles I22 and ‘I23 will then
?ow upwardly through‘the/s'lot 33 with little or
no interference totheir’sm'oo‘th flow by thev map
28. Accordinglypne'of the vmodel aircraft here
ina'bove-described"can'be‘supported in these jets.
If "a nozzle-carrying head ‘having a's'ingle nozzle
thereon vis "employed; preferably the model bal
loon<IOIyillustrated"on Figure 9 is used, whereas
if a plurality'iof nozzles‘are 'c'arried'by the mov
able-head,‘then~we"prefer ‘that a model aircraft
havingr'a plurality ‘of balls in its structure‘be
employed so that each *ball 'will be properly sup 55
ported in a jet separate from the other jet or jets.
This means forrsupporting ‘a spherical object in
an upwardly “directed-‘jet ‘is well ‘known, being
described in Patent No. 612,622, to Windrath,
and Patent 'No. ’l-3'7;1l?9, to Withers.v Conse 60'
quently, we lay~no claimto the‘broad principle
desired course, and also'by rotating the handle 82,
producing corresponding rotation of the rotary
of vsupporting anpbject'in'an upwardly directed
jet of ‘air, but‘rather to "the? adaptation of this
’ head I3 Ito keep the nozzles I22 and I23 in a plane
well known principle 'toiits use inconnection
with means‘ identifying the supported body as an
parallel to the slot 33 being ‘used. This rotation
of "the head I3I affects similar rotation of the
model II I supported bythe jets from the nozzles
so that in effect, rotation of the operating handle
aircraft or~mode1 thereof.
'
'
'
'
Actual use'of ' a'devi-c'e- employing the principles
of our‘ present invention has demonstrated that
'82 steers the model II I correspondingly. In order a model ‘aircraft ‘c'anbe supported very satis~
to .“facilitate movement of the outer end 8| of the factorilyin this ~ma‘nrrer. By varying'the force 70
pantograph over the operating surface 22 an anti _ :of the jet or ‘jets, as “by means of the throttle
friction'bearing I44 is preferably mounted on the ‘valve 'II,:the'rdegree of "elevation of ‘the model
‘under ‘side of'the outer end of the'arm 44 and/ or above the ‘map 28 v‘can .be altered, whereas'if ‘the
:at ‘any .iother portion vof the pantograph which is force. is permitted :to remain constant and the
Lfounditoibearllup‘on the supported surface 22 with nozzles-held stationary, vthe model supported in 75
2,128,690
the .upwardly directed ?uid will remain‘ poise-d
substantially stationary in mid-air. By manipu
lating the operating handle 82 properly, the noz
zle bearing head I3I can be caused to move along,
underneath and parallel to the slot. 33, through
which the jets are issuing. This will cause the
model supported .in the jets to advance corre
spondingly, thereby presenting the illusion of
?ight. of the model aircraft from place to place.
10 For example: It canv be determined in advance,
for the sake of competition, that a certain ?ight
is to be madefrom the airport at the point indi
cated on the map as “Los Angeles” to the airport
of another, distant city, also indicated onv the
15; map, as for example, ‘.‘New York”. The various
competing players will take their turn and each
will endeavor’to cause his model aircraft to make
the predetermined trip in a minimum of time, the '
person requiring the least time being the suc
cessful contestant.
.
By employing maps 28, which are accurately
constructed so as to indicate truly the actual air
routes being traveled by planes in regularly
scheduled ?ight, valuable instruction can be im
25 parted to the player or players, with respect to
existing air lines; and inasmuch as the map 28‘
is removable, a plurality of such maps can be
employed, each representing a different locality.
'A considerable degree of skill is required to
complete such a “?ight” with efficiency, inas
much as the nozzle-carrying head I3I must be
moved carefully so as to keep its nozzles I22 and
I23 so accurately under the slots 33 that the
jets are not interfered with,'and as soon as any
such interference with the jets does occur, the
model aircraft will “crack up”, i. e., fall from its
mid-air position onto the map 28, thus disquali
fying the operator. This manipulation is ren
dered more di?icult by the fact that thevhead
must be turned whenever a corner is encountered,
i.: e., a line joining the nozzle I22 and ‘I23 must
at all times be substantially parallel to the slot
being manuevered at any given time. It has
been demonstrated, however, that even unskilled
persons can maneuver an aircraft by the means
45. hereinabove
described, with su?icient e?iciency
to derive a great degree of entertainment and
amusement therefrom.
-
V Figures 18 to 13 inclusive, illustrate a modi
50. ?cation of our invention, wherein a predetermined
terrain I16 is represented upon the upper surface
I11 of a suitable housing I18. In this surface
I11 preferably a plurality of longitudinally ex
tending slots I19 are provided, it being under
55 stood that the numberof persons that can oper
ate the device simultaneously corresponds to the
number of slots I19; Associated with each slot
I19 is ‘a nozzle-carrying head I8I having one or
more nozzles I82 mounted thereon, the present
60 modi?cation illustrating a single nozzle I82 for
each head I8I, with the result that the preferred
type of model aircraft for use in conjunction
with this modi?cation of our invention, is the
model balloon I 8|, illustrated upon Fig. 9; _It
65 should be borne inlmind, however, that by dupli
cating the nozzles I82 on each head I8I, amodel
aircraft having a plurality of balls in the struc
ture thereof, can be employed with equal e?ie
ciency.
75
>
‘
»
I
.
comprising a preferably ?exible tube I83 leading
to the nozzle I82 from a suitable mouthpiece I84,
whereby each contestant is enabled to blow
through his associated tube I83 and in that man
ner supply air to his nozzle I82, and by regulat
ing the force with which he blows into the mouth
piece I89 determine the height at which a model
balloon I‘8I is supported overrthe associated noz
zle I82.
Means are provided for moving each of’ the
several nozzle-carrying heads I8I longitudinally
of the casing I18; and inasmuch as all of these
mechanisms are preferably of identical construc
tion, it will suffice for the purpose of the present
disclosure to describe but one of them.
15
Each head MI is mounted upon and carried by
a suitable belt, cord or other ?exible member I86,
preferably endless and mounted upon opposed
pulleys I81 and I88 at the after and forward
ends I89 and I 9I , respectively, of the case I18. 20
Each of these belts I86 is so positioned with re
spect to the associated slot I19 that the nozzle
I 82 carried thereby is adapted to direct its jet
upwardly through‘that slot I19 and to support
one of the model balloons IOI, or other model 25
aircraft as'described hereinabove.
‘
Means are provided for rotating one of the
pulleys, preferably the pulley I88, so as to effect
advance of the nozzle-carrying head I8I and the
nozzle I82 carried thereby, and with them the 30
model aircraft supported in the jet issued from
the nozzle. Figures 12 and 13 illustrate in de-v
tail one type of mechanism adapted to perform
this function. The pulley I88 is carried by a
shaft I96 which also ‘carries a worm wheel, which
is engaged at all times with a driving-worm> I91.
This worm I91 is rigid with a shaft I98, one end
of which extends through the forward wall I9I of
the casing I18 to receive a hand wheel I99 or
other suitable handle whereby the shaft can be
rotated. The other end of the shaft I98 carries
a gearv 28I enmeshed with a smaller gear 282
which is carried by a countershaft 283 upon
which a ?y wheel 284 is rigidly secured. Because
of the engagement between the large and small
‘gears 28I and 282, respectively, the countershaft
283 and ?y wheel 284 are driven by the drive
shaft but at a faster rate, which tends to» make
the mechanism continue to drive the belt I86
under the inertia of the ?y wheel 284 after 50
cessation of application» of ‘power vto the hand
wheel I99. Means are provided for permitting
the hand wheel I99 to turn the shaft I 98 in a for
ward direction but for ‘preventing the operator
from stopping rotation of theshaft I98 suddenly. 55
This engagement between the wheel I99 and the
shaft I98 may be attained through the expedient
of a steel ball 288 or its equivalent disposed in a
recess 281 in the hub 288 of the wheel I99.
The outer edge 289 of the recess ‘288 is of spiral
form, wherein one end is farther from the axis
of the shaft I98 than the other end. Hence,
when the shaft I98 is stationary and the driving
wheel I99 starts to rotate in a clockwise direc
tion, as viewed upon Figure 13, the portions of 65
the hub 288 de?ning the recess 281 will advance
with respect to the ball 286 until the ball is seated
in a portion of the recess 281 which is so narrow
that binding occurs between the hub 288, ball
Any suitable ‘means may be providedfor sup
plying ?uid to‘ the nozzles I82. ‘It is preferred,
however, that individually controlling means be
of the hand wheel I 99 will effect similar rota
tion of the shaft wheel I98. However, upon ces
employed so as to enhance the competitive na
sation of the rotation of ' the hand wheel I99
286, and shaft I98, whereupon continued rotation
ture of this device. Figures wand 11 illustrate . the shaft I98 will “coast” through the in?uence
1 a moutheblown system for each nozzle I82, each
of the inertia‘ device 284, causing the nozzle
2,128,696i
I82 and the model aircraft supported in the jet
thereof to-continue to advance beyond the respec
tive positions thereof at-the'time that the operator
ceased to rotate the hand wheel I99. The pur
pose of this arrangement‘ is to require more skill
on the part of the operator. De?ned upon the
upper surface I11 of the case I18 is a “landing
?eld” 2“ at the end of each slot I19, upon
which the operator endeavors to permit his model
10 aircraft to come to'rest; and in order to avoid
“overshooting” the ?eld and causing the model
aircraft to drop‘ outside the associated area 2“
the operator must slow down rotation of his
hand wheel I99 gradually, and at such a time
that the danger of “overshooting” is’ avoided.
However, in order to facilitate return of the
nozzle-carrying head I8!» to starting position,
means may be provided for fastening the hand
wheel I99positively to the shaft I98, such as a
20 radially disposed pin 2l2 carried by the hub 268.
This pin is slidable so that it is optionally receiv
able within or‘removable from a socket 2I3'in
the shaft 168.
armature 239 of’which is operably connected. to
the, plate 231 in. such a manner that when the
solenoidj244v is energized, the plate 231 is drawn
through the nozzle to effect the desired control
over the flow of its ?uid. A spring‘ 246 is under,
compression ‘between the armature 239' and a
tubular housing 24I.mounted on the other end
of the solenoid 244', whereby return of the plate
231lto its. opened position is effected upon de
10
energization of the solenoid.
Preferably such a control is provided: upon the
principal nozzles‘ 234’and 236 as well as .uponthe
auxiliary nozzles. By diminishing the flow
through the forward principal nozzlev 234, the‘
model. aircraft. may be made-to lower itsnose, 15
and by diminishing the ?ow through the after
principal nozzle 236, the model‘ aircraft may be
made to lower its tail. Similarly, by diminish
ing ‘or, completely interrupting the flow through
one of the auxiliary nozzles, the‘model airplane 20v
may be caused to lower the associated side
Other obstacles, hazards and the like over
which the model balloons [61 must be ?own,rcan
be provided upon the upper surface" I11 of the
thereof, simulating. the effect ‘produced-in anac
tual aircraft by manipulation of its ailerons;v
Theresp‘ective solenoids associated with the.
nozzles 232,. 233, 234, and 236‘ are indicated at‘ 25,
244, 241, 248,: and 249‘. Means for energizing a
case
selected one of the solenoids are providedland'
I18.
Preferably
these hazards simulate
those encountered by- actual aircraft in ?ight.
For example: Miniature replicas of a range of
30 mountains 216-, acpower line 211, a fence H8,
and a river ,2l9 are illustrated upon Figures 10
and 11. Certain of the hazards can be rendered
more‘ dangerous for a given; player by one of his
opponents, as for example, a reproduction of a
.wind stormecan be produced by manually col
preferably this control switch is operated by
means of a lever 25!, the‘. actionlof which is
similar to-thatof the: conventional control .leveri 30
or‘ “joy stick” commonly employed as the prin
cipal control of an airplane. This lever 25l
which, due to limitations of the drawings, is
illustrated on Fig. 13 merely in horizontal,
transverse section carries a number of electrical 35
' lapsable bulbs-22'! locatedat strategic points and‘
contacts 252, 253, 254‘, and 256, which number)
adapted to direct “gusts” of air across the path
coincides to the number“, of solenoids. All of
these contacts 252m 256 inclusive, are electri
of one or more of the: aircraft.
Figures 14 and, 15'illustrate means for exercis-V
40 ing additional control ; over the movements over
one of the model aircraft whilezsupported in the
jet or jets, as the case'might be, of fluid as de
scribed hereinabove. These: ?gures" illustrate
one of the nozzle-carrying‘ heads 231 similar to
the head I31 previously described, carrying aux
iliary nozzles 232 and 233 in addition to the prin
cipal nozzles 234 and 236; The principal nozzles
234-and 236 are so positioned-that the'jets issu
ing therefrom are adapted to engage two balls,
as‘ the balls' H2 and H3, andin‘ that‘ manner
support» the model aircraft; The: auxiliary noz
zles'are arrangedz laterally with respect to one of
the principal nozzles, preferably the nozzle 234'
the jet from which engages'the forward ball of
With the auxiliary nozzles
232' and, 233‘so arranged, the jets issuingthere
from are adapted toengage the: wings H6 and
“1110f the model airplane.’ Consequently, by
providing means for controlling independently
60 ‘the two auxiliary nozzles 232' and- 233, lateral
tipping of the model aircraft can be produced,
. the model aircraft.
similar to the action of an actual aircraft, re
sulting from manipulation'ofits ailerons. Elec
tromagnetic means are illustrated for perform"
65 ing this function. Carried by each,’ of the noz
zles over which control is to be maintained is, a
cally connected as by a conductor. 251 to. one‘
terminal of a source of electrical energy 258.
The other terminal’ of the source of’energy is
connected-to'iall of the solenoids 244, 241, 248,
and 24-9 as‘ by conductors’ 259, 26I, 261, and 2651
respectively; Assooiatedrwith- the’ contacts 252
to 256 inclusive, are contacts 262',‘ 263,’: 264 and 45
266; By swinging the “joy stick” forwards,‘ i. e.,
upward's- as’ viewed upon Fig.‘v 15, the contact 252
will engage the contact 2621‘which is connected
aslby- conductor 261 to the solenoid 248, thereby
completing the circuit» of ' that‘ solenoid and‘ 50
effecting its energization; In this manner the
associated ‘valve plate 231'will be-moved toward
closing position, diminishing the amount of ?ow
through the nozzle 234, the jet from which sup
ports the nose of the model aircraft.
Conse
quently, by thisv movement of the lever 25!, the
nose. of the model vaircraft will be caused to dip‘.
The other ?xed contacts 263, 264, and 266 are
connected as by conductors268, 269, and 21l to
the solenoids 241, 249', and 244, respectively, 60.
Thus it may be seen‘ that if the operatordraws
his “joy stick’ toward him, the jet supporting
the tailof ‘his model‘aircraftiwillbe diminished
permitting the tail'to drop,‘ thereby producing
substantially the same effect as that produced in 65
an actual aircraft when the operator thereof
pulls his “joy stick” toward himselfy Similarly;
movement of the lever 25! to the operator’s left
valve plate 231 is adapted to' enter the associated‘ or-right causes the corresponding side‘ of- the’
_ valve plate 231 slidable in a suitable housingv 238-,
which is carried on one side of'the nozzle.
The
70 nozzle through a slotin aside of the nozzle so
as to assume a position- extending across the bore
of the nozzle and thereby either reduce or' shut
off completely the;?ow, of ?uid‘therethrougln
Such ,movement’ of {the plate 231 is effected
7 5: through the expedient of a' solenoid. 244'», the
model aircraft, which he is-manipulating to be
lowered, simulating the effect of “banking” the‘
ship aszby manipulation of its ailerons.
Thus it may be seen- that an understanding. of
the fundamental principles of actual ?ight can‘
bev imparted to a beginner bymeans of'an appa_ 751
7
2,128,690
ratus illustrated on Figures 14 and 15, because
of the similarity between the control attained
through the expedient of the lever 25I and the
control exercised over an actual aircraft by
means of its control stick or corresponding
device.
'
.
Figure 16 illustrates a still further modi?cation
of our invention ‘in the form of a tank 216 con
taining a suitable, preferably opaque ?uid 21 ‘l in
which a model boat 218 or the like appears to
?oat.: Actually, however, the boat 218 is carried
at the outer end of a tubular arm 219 which ex
tends radially from a vertical tube 28!, the up
per and lower ends of which are journaled in
15 suitable bearings 282 and 283, respectively. The
upper bearing 282 is carried on the under side of
a structure 284 presenting the appearance of an
island, whereas the lower journal 283 is carried
by a platform 286 which is suspended below the
20 bottom 28'! of the tank 218. The tube 28!, which
extends through the bottom 28‘! of the tank and
a suitable stu?ing box 288, is adapted to'be ro
tated through the expedient of suitable gearing
289, speed reduction. box 29l, and motor 292
26 which are mounted upon the platform 286. The
island 284 is held stationary by means of a sup
porting tube 293 extending axially inside the ro
tary tube 28L This supporting tube 293 extends
through the platform 286 to receive a conduit 294
30 whereby fluid can be supplied thereto, and suit
able apertures 296 in the wall of the tube 293
permit this fluid to escape to the bore of the ro
tary tube 28! whence it can ?ow by way of the
radial, tubular arm 279 to preferably a plurality
of nozzles 29‘! and 298, wherebyjets are directed
upwardly from the boat 218. Each of these jets
so provided is adapted to support a model air
craft, such as the model dirigible' 39! and the
model autogyro 302. By energization of the mo
40 tor 292, the boat 218, and the nozzles 291 and
298 carried thereby are ‘caused to rotate about
the island 284; and by supplying ?uid at suitable
therefrom, a body simulating a miniature aircraft
adapted to be supported in said jets With each
jet impinging against-a different portion of said
body, and single means for controlling the force
of said jets independently of each other where
by the position of said aircraft with respect to
the horizontal can be varied.
.’
.
3.>A device of the character described, com
prising means for directing a jet ‘of ?uid 'up-.
wards, a body supported by said jet and compris 10»
ing a stimulation in miniature of an aircraft, and
means weighting a predetermined side of said
body to add stability to the body while supported
in said jet and retain it with that side down.
4. In a device of the character described, 1-5
means providing an operating surface having an
opening therein, a nozzle disposed below said sur
face and directing its jet upwards through said
opening, means for supplying ?uid under pres
sure to said nozzle to produce said jet, and a
miniature aircraft disposed within said jet and
supported thereby over the plane of said operat
ing surface.
5. In a device of the character described,
means providing an operating surface having an
opening therein, a nozzle disposed below said sur
face and movable with respect thereto and di
recting its jet upwards through said opening,
means for supplying ?uid under pressure to said
nozzle to produce said jet, and a body disposed 30
within said jet and supported thereby over the
plane of said operating‘surface, said nozzle being
movable with respect to said surface and said
opening being larger than the cross sectional area
of said jet at the plane of said surface, whereby
said supported body can be caused to move‘ about
above the plane of said surface while supported
by said jet.
6. In a device of the character described,
means providing an operating surface having an 40
opening therein, a plurality of nozzles disposed,
in predetermined, relative arrangement below
said surface and directing their jets upwards
through said opening, means for supplying ?uid
pressure to the hose 294,’ jets can be caused to
issue from the rotating nozzles 29'! and 298 thus
permitting a plurality of model aircraft to be sup , under pressure to said nozzles to produce said
ported in mid-air over the boat 218 thereby pre
jets, and a miniature aircraft supported by said
senting the appearance of a plurality of actual jets over the plane of said operating surface and
aircraft ?ying in formation. This device is very having separate means engaged by each of said
effective as a display device to attract the atten
jets to retain said miniature aircraft with an axis
50 tion of passers by.
"
We claim:
'
1. In a pneumatically operated game, a frame
comprising an operating surface, a map, means
for disengageab-ly supporting said map above and
55 substantially parallel‘ to said surfacesaid map
having a multi-directional slot therein intercon
necting predetermined localities on said map,
means providing a pair of spaced nozzles: below
said map, means rotatably and movably support
60 ing said nozzles upon said surface, means ac
cessible at one side of said frame for turning
said nozzles to aline them with a selected portion
. of said slot, means accessible at one side of said
frame for moving said nozzles upon said surface
and for controlling the direction of such move
ment, means for supplying ?uid to said nozzles
to produce jets issuing upwards therefrom, and a
body simulating an aircraft in miniature adapted
to be supported in said jets above said-map when
said nozzles are positioned to direct their jets
through said slot and to be advanced over said
map when said nozzles are moved along said slot.
v2. In a device of the character described, a
plurality of nozzles, means for supplying ?uid to
said nozzles and thereby producing jets issuing
thereof ‘extending in a relatively ?xed direction 50
with respect to said arrangement of said nozzles‘.
7. In a device of the character described,
means providing an operating surface having an
opening‘ therein, a plurality of nozzles disposed
in predetermined relative arrangement below 55
said surface and directing their jets ‘ upwards
through said opening, means for supporting ?uid
under pressure to said nozzles to produce‘ said
jets, and‘ a miniature aircraft supported by said
jets over the plane of said operating surface and 60
having separate means engaged by each of said
jets to retain said miniature aircraft with an axis
thereof extending in a relatively ?xed direction
with respect to said arrangement of said nozzles.
8. In a device of the character described, 65
means providing an operating surface having an
opening therein, a plurality of nozzles disposed
in predetermined relative arrangement below
said surface and directing their jets upwards
through said opening, means for supplying ?uid 70
under pressure to said nozzles to produce said
jets, a miniature aircraft supported by said jets
over the plane of said operating surface and hav
ing separate means engaged by each of said jets
to retain said body with an axis thereof extend- 76
2,128,690
8
ing in a relatively ?xed direction with respect
to said arrangement of said nozzles, and said
nozzles being‘ rotatable as a group whereby said
miniature aircraft can be caused to turn about'a
vertical axis and to‘ point in any selected direc
tion with respect to‘ said operating surface‘ while
supported in said jets“
'
'
. 9. In a device of the character described, a
plurality of nozzles, means for supplying fluid to
said nozzles to produce jets issuing therefrom,
movable means supporting said nozzles and re
‘tainingthem with their jets in predetermined ar
rangement with respect to each other, a minia
ture aircraft comprising a body associated with
15 each of said, jetsv and adapted to be supported
thereby and means interconnecting said bodies,
means for advancing said nozzle-supporting
means and thereby advancing said aircraft ac
cordingly, ‘and means for rotating said nozzle
supporting means abouta vertical axis and there
by rotating said aircraft accordingly.
10. .In a device of- the character described, a
plurality of movably mounted nozzles, means for
supplying- fluid to said nozzles to produce jets
issuing
a miniature aircraft‘ supported
25,: by said therefrom,
jets, means for moving said nozzles to ad
vance said aircraft in translatory movement,
and. means for moving said nozzles to exercise
control over the direction in which said aircraft
points.
in tra-nslatory movementineans for moving said
nozzles to; exercise control over‘ the direction in
which‘ said aircraft points; and means for vary
ing independently the intensity of one of said
jets-to vary the'inclination- of‘. said aircraft with U!
respect to the horizontal.
-.15. In a device of the ‘character described, a
miniatu're‘aircraft, means providing fluid jets by
which saidiaircraft‘ is'suppo'rted, said means being
movable in translatory movement and in rotary 10
movement independent of any translatory move
mentt‘o? effect corresponding movement of said ’
aircraft.
miniature-aircraft and means providing ?uid jets
by which said aircraft is supported, said means
being rotatable to effect corresponding movement
of said‘ aircraft.
1'7. In a game of. the character described, a
map'having a slot therein interconnecting pre
determined localities‘ on said‘ map, supporting
means'movably mounted below said map, a noz
zle carried by‘said supporting means and point
ing upwards through said vslot, means for supply
ing fluid" to said nozzle to produce a jet issuing
therefrom, a miniature aircraft adapted to be
supported'by said jet above said map, and means
for advancing said support along said slot to
cause said aircraft to move correspondingly above
said- map.
'
11. In a device of the'character described, a
.
16: In a device of the character described, a
,
'
>
18..In a game of the character described, a
plurality of movably mounted nozzles, means for map having a slot therein interconnecting prede
supplying ?uid to said nozzles to produce jets termined localities on said map, supporting
issuing therefrom, a miniature aircraft supported means movably mounted below said map, a plu
by-said jets, and means for moving said nozzles rality of spaced nozzles carried'by said support
to exercise control over the direction in which ing‘ means and pointing upwards through said
said aircraft points-without advancing it in a‘ slot,’ means for supplying ?uid to said nozzles to
produce. jets’ issuing therefrom, a miniature air
horizontal direction.
12. Ina device of the character described, a craft adapted to be-supported by said jets above
plurality of movably mounted nozzles, means for said man-and means for rotating said support 40
supplying fluid to said'nozzles to produce‘ jets about» a vertical axis to cause- said aircraft to
issuing therefrom, a miniature aircraft supported move correspondingly above said map.
19. In a game of the character described, a
by said jets, and‘ control'means for varying the
map having a slot therein interconnecting pre
direction in which said aircraft points inde
pendently of any translatory movement thereof. determined localities on said map, supporting
45
13. In a device ofrthe character described, a meansmovably mounted below said'map, a plu
plurality of movably mounted nozzles, means for rality of spaced nozzles carried by said support
supplying ?uid to said nozzles to produce jets ing means and pointing upwards through said
issuing therefrom, a miniature aircraft supported slot, means for supplying ?uid to said nozzles
by said jets, and means for varying’ the intensity to produce jets issuing therefrom, a miniature
‘of one of said jets independently of the other aircraft adapted to be supported by said jets
to vary the inclination of said aircraft vwith re
spect to the horizontal.
,
'
14. In a device of the character described, a
, plurality of nozzles, meansfor supplying ?uid to
‘said nozzles to produce jets issuing therefrom,
movable means supporting said nozzles and re
taining them with their jets in predetermined
arrangement with respect to each other, means
v‘for moving said nozzles to advance said aircraft
above said map, means for advancing said sup
port along’ saidrslot to cause said aircraft to
move correspondinglyabove said map, and means
for rotating said support about a vertical axis
to cause said aircraft to move correspondingly
above said map.
MINNIE L. BURKE.
RICHARD J. BURKE.
60
CERTIFICATE OF CORRECTION.
‘Patent. No. 2,128,690}
August 50, 1958.,
MINNIE L. BURKE, E'I' AL°
It is hereby certified "that error appears- in the printed specification
of the above numbered patent requiring correction as follows: Page 7, second
column, line ll, claim 5', for the word "stimulation" read simulation; and
that they said Letters Patent should be read with‘ this correction therein
I that the same may conform to the record of the case in the Patent Officeo
, Signed and sealed this 27th day’ of December, A.. D. 1958.
Henry Van Arsdale
(Seal) -
Acting Commissioner of Patents. ‘
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