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Патент USA US3053281

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Sept. 11, 1962
T. H. BURNS
3,053,266
INFLATABLE AND COLLAPSIBLE CANOPY
Filed Sept. 3, 1959
5 Sheets-Sheet 1
_TH DMA\S_H. J3 URNJ'
ATTORNEY
Sept. 11, 1962
T. H. BURNS
3,053,266
INFLATABLE AND COLLAPSIBLE CANOPY
Filed Sept. 3, 1959
5 Sheets-Sheet 2
Ming
I,
II’,
»
57 57
JH 0MAs_H._Bl/PN$
Sept. 11, 1962
T. H. BURNS
3,053,266
‘INFLATABLE AND COLLAPSIBLE CANOPY
Filed Sept. 3, 1959
5 Sheets-Sheet 4
1
I
INVENTOR
_TH0MAs_H_Bl/pMs
BY
ATTORNEY
Sept. 11, 1962
T. H. BURNS
3,053,266
INFLATABLE AND COLLAPSIBLE CANOPY
Filed Sept. 3, 1959
5 Sheets-Sheet 5
INVENTOR
JH0MA5_H._B UENJ'
A
ORNEY
United States Patent O?lice
3,053,266
Patented Sept. 1 1, 1962
2
or de?ated showing the connections of the four canopy
forming air tubes with the tubular hub member that con
stitutes the air manifold.
FIG. 7 is a sectional detail, taken on line 7—7 in FIG.
6, showing an arcuate segment of the canopy as formed
3 053,266
INFLATABLE AND’ COLLAPSIBLE CANOPY
Thomas H. Burns, 6315 Beacon Ave., Seattle, Wash.
Filed Sept. 3, 1959, Ser. No. 837,945
1 Claim. (Cl. 135-20)
by the successive spiral coils of tubing. Also showing
This invention relates to in?atable and collapsible
the connection of the inner end of one of the air tubes
with the air distributing hub and the manifold which are
articles and more particularly to a pneumatically in?at
supplied with in?ating air through the tubular handle.
able canopy; it being the principal object of the invention
FIG. 7a is a sectional detail taken on line 7a—7a in
to provide a novel form of pneumatically in?atable 10
canopy, made up of a plurality of expandable air tubes
of rubber, or the like, that are so spirally wound about a
FIG. 7.
‘
FIG. 8 is a side view of the device, as collapsed, and
housed for storage or carrying, showing parts of the tele
scoped handle broken away .and in cross-section to better
hub and so joined together that, when in?ated, they pro
vide an extended, umbrella-like covering or canopy
which, upon de?ation, can be collapsed into a compact 15 disclose the telescopic relationship of the handle forming
sections and the position of the canopy therein when
bundle for easy carrying or storage in a casing or tubular
collapsed and housed.
enclosure of relatively small dimensions forming a part
of the handle portion of the device.
FIG. 9 is a longitudinal sectional detail of a check
valve .as applied to the smaller of the tubular handle
It is also an object of this invention to provide a pneu
forming sections.
matically in?atable canopy which, in combination with
novel telescopically extendable handle forming sections
by which it is mounted, serves the purpose, when in?ated,
FIG. 10 is a view showing the three upper end sec
tions of the handle in disassembled relationship, with
parts broken away and parts in section for explanatory
of an umbrella.
purposes.
It is a further object of this invention to provide an
FIG. 11 is a fragmental detail of the tubing of the
article of the above stated character embodying a tubu 25
canopy as attached to the canopy mounting hub and air
lar, sectional, handle and wherein the canopy, upon its
manifold applied to the handle. FIG. 11 also shows both
de?ation, may be collapsed after the fashion of an um
radial and circumferential diameter limiting and canopy
brella and protectively enclosed within a section of the
shape control ties.
.
handle for convenient handling and storage.
FIG. 12 is a view illustrating the application of cir
Yet another object of the invention is to form the
cumferential diameter limiting ties to the tubes to control
handle portion of the article from a plurality of tele
the diameter and shape of the canopy.
scopically joined and adjustable tubular sections includ
FIG. 13 is a perspective view of the central part to
ing some which may be caused to function as an air
which the inner ends of the diameter controlling ties are
pump for in?ating the canopy for use.
Still another object of the invention is to form the 35 attached; parts being broken away for better understand
ing.
canopy from a plurality of ?exible rubber tubes of small
FIG. 14 is a fragmental plan view of canopy with parts
diameter which assume a ?attened cross-sectional form
of the tubing in section for better understanding of the
upon de?ation and which are assembled, joined and then
air tube assembly with the hub member.
spirally wound in close relationship about a mounting
Referring more in detail to the drawings:
hub portion and, upon being in?ated, lengthen and ex 40
In FIG. 5 the present canopy, as seen in its in?ated
pand to de?nite limits to establish the canopy of umbrella
condition, is designated in its entirety, by reference nu
like form.
meral 10 and it is there shown as being held in use by
Still further objects and advantages of the invention
means of a handle, designated in its entirety by numeral
reside in the details of construction of parts; in their
assembled relationship and in their mode of operation 45 11. This handle comprises four telescopically assembled
tubular sections herein designated by reference numerals
and use, as will hereinafter be fully described.
11a, 11b,‘ 11c and lid, in order from the lower to the
In accomplishing the above mentioned, as well as
upper end of the handle; these parts being telescopically
other objects and advantages of the invention, I have
provided the improved details of construction, the pre
ferred forms of which are illustrated in the accompany
ing drawings, wherein:
.
FIG. 1 is an illustration of the present in?atable article,
in its collapsed condition and as housed for storage or
assembled as described later in the speci?cation.
50
.
In this assembly of handle forming parts, the larger
and also lower end section 11a serves, when in the posi
tion in which it is shown in FIG. v5, as an easily held ex
tension member of the handle. However, in the erecting
of the collapsed canopy upon its being withdrawn, as in
easy carrying, showing the manner in which it is grasped
preparatory to the withdrawing of the collapsed canopy 55 FIG. 2, from its enclosing housing 11a, and the handle
sections telescopically extended, this cylindrical end sec
from its tubular enclosing member.
tion is reversed, end for end, and is applied as in FIG.
FIG. 2 is an illustration showing the manner of hold
4 to the next adjacent or piston equipped section 11b to
ing and of withdrawing of the de?ated and collapsed
serve therewith as a pump whereby air, can be forced
canopy from its tubular enclosure.
FIG. 3 is an illustration, showing the manner of hold
ing the device in extending the telescopically joined
handle forming sections.
FIG. 4 is an illustration, showing the manner of hold
ing the article, with the three upper end sections of the
through the extended tubular, handle forming sections
60 11b, 11c and lid to a central manifold and thence to the
canopy hub and tubing forming the canopy, as presently
~ will be explained.
Referring now to FIG. 8 of the drawing: The parts as
handle extended for application of the larger, cylindrical 65 therein shown are in the same fully collapsed condition
as of FIG. 1, with the canopy completely de?ated and col
end section over the .adjacent piston equipped section to
lapsed between the tubular handle forming section 11b
serve therewith as an air pump.
‘
FIG. 5 is an illustration, showing the manner of grasp
ing the extended handle for use of the device as an
umbrella.
FIG. 6 is a plan, or top view, of the canopy, as relaxed
‘and the outer, pump cylinder forming section 11a which,
in this view, is reversed from its normal handle forming
position of use and is telescopically applied over the sec
70 tions 11b, 11c and 11d after they have been completely
telescoped together. The application of the pump cyl
8,053,266
3
4
inder forming section 11a, over the telescoped smaller
sections, as seen in FIG. 8, is downwardly from their
the part 11d therein, is of uniform inside diameter as ob
served in FIGS. 8 and 10. It is formed at its lower end,
upper ends so that when so applied thereover, the slight
ly ?ared open end of section 11a will receive therein, to a
as seen therein with a constricting end wall portion 60
11a. The innermost section, herein ‘designated by ref
are released from interlocked connection by relative ro
that limits the relative upward movement of this section
on the section 11d and also it is formed centrally in that
partial extent, a piston forming collar 15, presently de
end Wall with an air hole 62.
scribed, that is formed about the lower end portion of
Parts 11d and 11c, in their telescopic assembly, may
the tubular section 11b. The handle parts are releasably
be releasably interlocked when in either the fully ex
secured in this collapsed relationship by threading a co
tended relationship, as observed in FIGS. 3, 4 and 5, or
axial sleeve-like portion 16, that is ?xed to the top end
of the innermost section, 11d, into a coaxial opening 10 when in their fully telescoped relationship, as in FIG. 8.
For this particular purpose, the section 11a‘ is formed
formed in what is normally referred to as the “closed end”
exteriorly on opposite sides with paired longitudinal chan
11x of the enclosing section 11a. It is further to be
nel or grooves 65, as shown in FIG. 10, which grooves, at
understood that the three telescoped sections 11b, 11c
their upper and lower ends partly encircle the section as
and 11d, contained within the outer cylindrical section
at 66 and 67 in FIG. 10. The section 110 is formed in
1111, are adapted to be releasably interlocked, so that all
teriorly, adjacent its open upper end, with a pair of in
may be thus held against telescopic extension when this is
wardly projecting bosses 68 adapted to follow within the
desired.
channels 65. Thus, by telescoping the parts together and
In the following detailed description of the various tele
relatively rotating the parts to cause the bosses to enter
scopically assembled sections of the handle, it is ad—
the tube encircling parts 66 of the ‘grooves, the two sec
vantageous to consider them in order, from the section
tions will be held in telescoped condition. If the parts
of smallest diameter to the largest or lower end section
tation that returns the bosses into the straight parts of the
grooves, and are then fully extended and the bosses
single piece of rigid tubing of uniform diameter, provid
ing an air duct 20 from end to end thereof. At the lower 25 caused to enter the tube encircling parts 67 of the
groove, the sections will, likewise, be interlocked in the
end of this tube 11d, is a check valve comprising a plug
intended relationship of FIG. 3.
21, that is threaded in ‘an air tight joint into the tube
erence numeral 11d, is shown in FIG. 10 to comprise a
The handle forming section 11b which is telescopically
end, and a valve stem 25 is reciprocally ?tted in an axial
?tted over the section 110 is slightly longer than part 11c
bore 26 formed through the plug, as best shown in FIG.
as seen in the assembly of FIG. 8. This section, 11b,
9. At its upper end, the stem is equipped with a valve
when fully telescoped, terminates closely adjacent the
head 27, designed to engage a conical seat 28 at the upper
shoulder 55. At its lower end, it is inwardly rounded,
end of the bore and at its lower end is equipped with a
with slight clearance from the similarly rounded lower
button 29. A coil spring 30 is applied about the stem be
end wall of section 110 and is formed with an air hole
tween the button and plug to yieldably hold the valve
seated. The stem 25 is formed lengthwise along one side 35 70. This section, which was previously referred to as
the “piston section,” is formed about its lower end por
with an air channel 31, opening to the lower end of the
tion with the encircling piston forming collar 15 which is
stem and to the side thereof near its upper end. This
designed to serve as a pump piston, as well as a closure
stem, when pushed upwardly to such extent as to expose
means for the lower end of the housing as seen in FIG. 8.
the upper end of the air channel 31 above the inner end
of the plug 21 provides for a flow of air therethrough, as 40 When these two parts 11b and 110 are in their fully
presently explained.
At its upper end, the tubular section lid is closed in
an air tight connection by a plug 40 that is threaded there
extended relationship or when fully telescoped together,
they may be releasably interlocked together against rela
tive movement by the same manner of means described
into. The plug is formed integrally with and coaxially
in connection with the similar interlocking of parts 11d
of an annular collar member 41.
and 11c. For these two telescopic sections, the inter
locking means comprises bosses 72 formed in the upper
end of part 11b and adapted for travel in grooves 73
formed lengthwise in the outside surface of section 110
and which grooves, at their upper and lower ends respec
The collar member 41
is of substantial diameter and is formed, axially thereof,
and on its upper side, with the previously mentioned
threaded stem 16. This stem is of cylindrical form and,
in its upper end portion, contains the piston-like button
43 of a valve stem 44. The stem 44 projects downward 50 tively, terminate as tube encircling portions 74-75.
The largest tube section, 11a, is of such diameter and
ly from the button 43 through a bored hole 45 formed
length as to permit it to be fully applied over the assem
coaxially of the plug 40 and, at its lower end, has a valve
bled and collapsed handle forming sections 11b, 11c and
head 46 thereon that engages a seat 46’ at the lower end
11d. When applied thereover, as a housing as shown in
of the hole. A coil spring 48 is applied under compres
sion between the parts 41 and 43 to yieldingly hold the 55 FIG. 8, its open end is directed downwardly over the
telescoped sections and the stem 16 that is applied to the
valve in its closed position.
upper end of section 1111, is threaded into the internal
It is further shown in FIG. 10 that the sleeve-like part
sleeve 76 formed within its upper end. The open end of
16 is formed exteriorly with a single spiral thread 50 for
this largest section is thus ?tted over and closed by the
a purpose presently more fully explained.
Applied coaxially about the upper end portion of the
piston 15. When the part 11a is reversed and applied
tubular section 11d is what is herein referred to as the
manifold 52. This is tubular and of metal and is sealed
rocally manipulated to force air into the tubular handle,
at its ends ‘against air leakage by being clamped between
sealing gaskets 53 and 54; the former being applied be
over the piston, for use as a pump, it can then be recip
past check valve 27 into the manifold 52 for distribu
tion to the tubes of the canopy, as will be more fully ex
tween the lower end of the manifold for support ‘by an 65 plained later in the speci?cation.
When the several parts are telescoped together as in
encircling shoulder 55 formed on tube 11d and the lat
FIG. 8, the upper end of section 110 will be enclosed
ter being applied between the upper end of the manifold
within a downwardly opening cup-like member 80 that
and the under surface of the collar-like part 41. An an
is applied about the section 1101‘. This cup-like mem
vnular chamber, or air space, 56 is provided within the
ber, shown best in FIG. 13, is coaxial of the handle and
manifold 52 and the tube 11d is formed with an air hole
its upper surface is clamped between the shoulder 55
57 opening therefrom directly into this air chamber which
and gasket 53. This part serves as an anchor means for
supplies air to the inner ends of the several air tubes that
the attachment of the inner ends of the radial diameter
make up the canopy 10.
controlling ties of the canopy and its use and construction
The tubular handle forming section 110, shown at the
left hand side in FIG. 10, which telescopically contains 75 will later be more fully explained.
3,053,266
d
The canopy which is designed in its entirety by nu
. through the tube opening 57 into the air manifold 52 and
meral N, is made up of a plurality of ?at elastic tubes 85
from this into the hub 86 and tubes 85 for their
that are wound spirally about the manifold 52 as applied
in?ation. In this use of the tubular section 11a, the hand
to the handle section 11d. In the present instance, I
by which it is held, acts as a valve to close over the open
employ four tubes 85 and these are assembled side by 5 end of the threaded sleeve 76 during a compression stroke
side radiating from the hub at 90‘ degree intervals in close
and to uncover it during suction. The check valve 27
relationship and then wound as a group about the hub
yields to admit air to the tube 110! and closes to retain the
and each other. All tubes 35 are then joined as illus
in?ating air pressure.
trated in FIG. 11, and all are so preformed that when
After in?ation of the canopy has been completed, the
de?ated they assume the ?attened cross-sectional form 10 ‘section 11a can be withdrawn, reversed and threaded onto
shown at 85x in FIG. 11 and also will assume the undu
the lower end of section 11b, as in FIG. 5, to serve as an
lating wave-like form shown in FIG. 3. Upon being
in?ated, all tubes tend to expand and to lengthen equally,
extension of the handle.
When in this in?ated condition, the device is useable
and the waves ?atten. Thus, the canopy expands from
for all purposes of an umbrella.
the dash line showing of tubes, at 85x in FIG. 11, through 15
To de?ate the canopy, the handle sections are tele
the solid line showing of partly in?ated tubes, in that
scoped together. This causes the valve 27 in the lower
same view and ?nally reach the fully in?ated condition
end of tube section lid to be opened for the escape of
of the dash line showing of tubes in FIG. 11.
The inner ends of the four tubes used in the present
disclosure are designated, respectively, in FIG. 6 by ref
erence numerals 85a, 85b, 85c and 85d and they are
shown to open into a rubber hub 86 that is applied about
the metal manifold 52 and hermetically sealed to the
ends thereof as has been shown at 87 in FIG. 7. When
the tubes 85 are in?ated, the hub 86 also will be in?ated 25
and will assume a relationship to the manifold 52 as
in?ating air from the canopy tubes. Then with the ports
62 and 70‘ open, the button 43 is depressed. Then the
thumb is placed over port ‘7% and the button 43 is released
and with its outward movement a negative pressure is
created in tube 1M and canopy tubes 85 which hold the
canopy in collapsed condition to facilitate enclosure of the
telescoping handle assembly 11 and canopy 10 within the
cylinder 11a.
What I claim as new is:
shown in FIG. 11.
An umbrella comprising a handle portion, a canopy
When the canopy has been in?ated to the desired ex
mounting hub applied to the handle portion and an in?at
tent, for example, to an extent comparable to its showing
able canopy mounted thereby, an air pump associated
in FIG. 5, its diametric and circumferential expansion is 30 with the handle portion operable for supplying in?ating
checked. This is accomplished by use of a plurality of
air to the canopy; said canopy comprising a body portion
radial tie threads 9d which have their inner ends an
formed by a plurality of in?atable elastic tubes adapted
chored in radial notches 91 formed in the upper end wall
to receive air from the pump for their in?ation; said tubes
of the cup-like member 80 shown in FIG. 11 and extend
being preformed as ?attened tubes and spirally wound
ed radially therefrom and are connected with lugs 94 35 about said hub and consecutively upon each other ?atly
formed on the tubes 85 at the under side of the canopy
as shown in FIGS. 11 and 12.
in face-to-face contact and longitudinally joined through
out their lengths, radial ties with ends joined to said
Likewise, to control the circumferential expansion of
the canopy, circumferentiallly directed cords or ties 92
are extended between the lugs 94.
Assuming that the canopy is collapsed and housed, as
in FIGS. 1 and 8, it is extended for use as follows: First,
hub and to the canopy to limit its diametric expansion
the housing section Illa is unthreaded from hub 16 and
the enclosed telescoped parts are drawn downwardly
therefrom, as shown in FIG. 2.
and other ties extending generally in the direction of
spiral winding of the tubes and joined thereto at prede
termined points on the under surface of the canopy
whereby to cause the canopy upon its being in?ated to
assume an undulatory formation with the undulations
extending radially of the canopy.
The handle sections are 45
then released from their interlocked connection by slight
rotative adjustment, and extended, as in FIG. 3 and are
again interlocked. The removed housing section 11a
is then reversed and applied over the piston section, as
in FIG. 4, and by reciprocal pumping action, it coacts
with the piston 15 to force air within the tubular handle
References Cited in the ?le of this patent
UNITED STATES PATENTS
849,407
883,277
2,625,946
Lowrie ______________ .._ Apr. 9, 1907
Bellis ______________ __ Mar. 31, 1908‘
Kaston et a1. ________ __ Jan. 20, 1953
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