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Патент USA US3093938

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June 18, 1963
R. K. OSTRANDER
3,093,928
MULTIvoIcE UNIT
Filed Feb. 1e, 1961
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United States Patent O
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CC
3,093,928
Patented June 18, 1963
i
2
3,093,923
Robert K. @stranden 497 Prospect St., Maplewood, Nal.
for determining which of such passages are opened and
MULTEVÜICE UNH
Filed Feb. lo, 1961, Ser. No. 89,770
i3 Claims. (Qi. 46u11?)
This invention relates »to a multivoice unit and to a
talking doll embodying such unit, and», in particular, my
invention pertains to a doll adapted to produce pneumat
ically a series of polysyllabic sounds from the mouth,
and to a method for making such a Idoll and unit.
Generally, the object of the present invention is to
provide a novel talking doll which comprises, in essence,
a bellows, and including a multivoice -unit which, when
the lbellows is operated as such, is adapted to produce
pnleumatically sounds `from the mouth-~not just one 'or
two repetitive monosyllabic sounds, but a continuous se
ries of sounds of different tonal qualities in random order
not easily distinguishable from a flow of babbling baby
talk; and to provide a simple method for making the doll. 20
While hollow dolls made of rubber or other suitable
flexible material, iesg, polyvinyl resins and vinyl plastisols,
and being operatively (functionally) bellows, have been
variously provided at some part oi the wall of the body
which are closed.
Another special object is to provi-de, in such a doll, a
multivoice unit, as described, having its several air pas~
sages each fitted with a reed secured therein in such
manner that iboth end portions ‘of the reed are free to
vibrate, so that the flows of air in either direction through
a passage will produce oscillation of at least one end por
tion of the reed; and, further, the invention envisions not
only reeds of different tonal characteristics `for the several
air passages, but individual reeds having end portions of
diiîerent tonal characteristics.
An ancillary object of the invention is to provide a
doll `oi the `class described having a polytonal unit fixed
in the doll’s throat, and also a sound conduit, such as a
pipe, a funnel, or the like, for :directing sound from the
doll’s throat to its mouth.
These and other objects, features, and advantages of
the »invention will be more fully understood from the `fol
lowing description, and from the drawing, in which:
FIG. l is an erased anteriorposterior sectional view
of parts of a doll’s head, throat, and upper thorax, show
ing the multivoice unit of the invention positioned in the
throat andy the upper thorax, and a sound conduit con
(torso or head) or interiorly thereof with an air passage 25 necting the upper part of the unit with the doll’s mouth;
iitted with a need instrument ‘or other device for emitting
FIG. Z is a vertical sectional view, partly in two planes,
sound upon fthe passage of air either from or into-and
showing one form of the multivoice unit;
usually lfro-ni~«the cavity of the doll’s body, and while
some dolls of this type are adapted actually to emit
articulate sounds from the mouth, ordinarily such dolls 30
are able to produce, in response 'to a squeeze, either a
single (usually monotonous) sound, or whine, or two
extremely simple polysyllables, such as “mama” or “papa”
It is a particular 'object of the presen-t invention to pro
FIG. 3 is a vertical sectional view, partly in two planes,
showing another `forrn of multivoice unit;
FIG. ¿i is a vertical sectional view, partly in two planes,
showing a third form of multivoice unit; l‘and
FIG. 5 is the section 5-~5 of FIG. 2.
,
The pair of planes of section in FIGS. 2, 3 and 4 is
common to the three ligures; and in FIG. 5 the angled
vide a doll, of the bellows class, optionally with an open 35 dotted line X-~-X indicates these planes.
'or openable mouth, and having a ymultivoice unit fitted
The talking doll of the present invention is of that class
in the doll, e.g. in the throat, adapted to produce any one
which is hollow and has a wall of ñexible resilient material,
lof a variety of sounds of differ-ent tonal quali-ties in re
such as rubber, polyethylene, polyvinyl or cured vinyl
sponse lto passage of air out of 'or into the body or” the
doll through said unit; and a further feature of .this same
plastisol, and an open or openable mouth, head or torso
adapted to permit pneumatic communication between the
object -is to provi-de such a unit adapted to produce dif
cavity of the :doll and the ambient atmosphere; or which
¿ferent sounds in response to «particular dispositions of
at least comprises some portion-_preferably the torso
[the unit while air is passing through it, i.e., in response
that is hollow and has a wall of flexible resilient material,
to slight random departures of the doll, as a whole, from
and is in communication with the mouth of the toy; and
the perpendicular. Thus, while the »doll is subjected re 45 is, in effect, a bellows which may be conveniently con
peatedly to relatively gentle squeezings of its torso and,
tracted by squeezing.
at the same time, slight tiltings in Ediiñerent directions,
A doll of this general class is so well-known that in`
a continuous series of semi-articulate sounds of unlike
FiG. l only an erased anterior~posterior sectional view
tonal character will issue from the toy, preferably through
is had, showing parts of the head, throat, and upper thorax
the mouth thereof. In general, what is heard is an in 50 of the toy. It is immaterial whether the head l@ of the
coherent babble lof jargon; but it is remarkably close to
doll is of rigid or resilent material, and, in the drawing,
the result of the ‘efforts ot a baby trying to talk, and is
the head is shown as a separate member attached to the
distinctly not an isolated squawk, whine, or imitated lwond,
throat lll and upper thorax 12. The throat and upper
as is usually produced by so-called “talking” dolls.
thorax are hollow, formed here as a single member, and
Another object of the inventioni is to provide a doll 55 their walls are of resilient material; together, the throat
of »the generally described class having a multivoi‘ce unit
and the thorax (and the rest of the torso, not shown) con
as part thereof capable of producing any of one of a set
stitute a bellows, i.e., a squeezable vessel` As shown
of at least three different tones in the presence of air flow
herein, the multivoice sound unit, indexed, in its entirety,
ing in a first direction, and any one of another audibly
13 (arrow), is iixed in `any secure manner in the doll’s
distinct set of at least three diiîerent tones in «the presence 60 throat, and, if it is desired to `direct sound from the unit to
of air iiowing in a second direction. `In short, the doll
the doll’s mouth la (shown open), the head of the toy in
of the present invention may be said to ‘have one reper
cludes a sound conduit i5 (an elbowed tube, funnel, or
toire of sounds relating to exhalation and another reper
the like) leading from the top of the unit 13 to the mouth
toire relating to inhalation.
14. It should he mentioned that satisfactory results are
A further object is to provide, in such a doll, a multi 65 secured even in this absence of the funnel.
voice unit ‘that will change the tone or tones of sound
The doll’s throat lll is assumed to be, as usual, of cir
produced by air passing therethrough in either direc-tion
cular internal cross-section, and the multivoice unit 1&3
upon shifting of the center of gravity of the unit with re
is accordingly of general cylindrical shape, with its upper
spect to any given point in sp ace.
portion adapted to iit and to be secured in any suitable
A more special object is to provide, in such a doll, a 70 manner within the throat, while, as shown in FIG. l, the
multivoice unit
a plurality of passages ‘therethrough ` greater part of the unit is suspended in the upper part of.
Afor air, and means responsive to random tilting of the unit
the hollow thorax d2. Also, the lower portion of the
3,093,928
3
A feature of the present invention is that both end por
sound conduit is circular in cross-section and adapted to
surround and to be secured to the top portion of the unit
just above the throat 11.
The body, i.e. casing, of the multivoice unit 1_3 may be
be produced by vibration of the reed no matter which
direction air tlows through the related sleeve. And a
made of any of a variety of suitable materials. A syn~
further feature is that each freeend portion (not indexed)
tions of each reed 2S are free tot vibrate so that sound will
lower portion with another hollow cylindrical chamber t7
of any of the various reeds is designed to produce, while
This last named feature is
critical to the polytonal character of the sounds produced
by the multivoice unit inasmuch as it is this feature that
makes possible a doll adapted to babble like a baby mak
ing a sustained effort to Say something articulately in
of much lesser height than the chamber 16. e.g., one-third
contradistinction to the commonplace sound-emitting doll
of the overall height of the casing (actually the heights
that merely produces an isolated cry, whine, or, at best,
of said two chambers are not critic-al and have been men
a single polysyllable.
thetic plastic is preferable. Essentially a two-part cylin
der, las shown in those forms illustrated in FIGS. 2 and 3,
` vibrating, a distinct tone.
the body of the multivoice unit is provided in its upper
portion with a hollow cylindrical chamber de, of a height
about two~thirds that of the body as a whole, and in its
_
~
tioned only by way of example). The chambers 16 and 17
Obviously, af a doll equipped only with that portion
and the two halves of the casing are separated by a
divider 18; or the body may be provided, as shown in the
form of the unit illustrated in FIG. 4, with a relatively
low upper chamber 19 and a relatively high lower cham
of the multivoice unit so far described were worked like
All hollow chambers 16, 17, 19, and 29, preferably are of
of functioning in the presence of an air flow in‘either of
two directions with at least some---and, in the absence of
a bellows, one ‘composite polytonal noise would be pro
duced while air was being expelled from the cavity of
the toy, and another composite polytonal noi-se would be
ber 20, these vlast two lchambers being separated by 'a 20 effected while air was flowing back into the cavity. Plain
ly to achieve the ultimate result sought herein-_a ran
divider 21, the latter much like the -divider 18. For refer
dom, variegated, polytonal babbling or jargon-it is neces
ence, FIG. 5 is the section 5-5 of FIG. 2, and all forms
sary diíferentially to render certain reeds (preferably all
of the instrument may be of like external shape and size.
The two halves of the casing and the divider are suitably
but one) inoperative during passage of air through the
secured to one another, as with adhesive.
25 unit. Generally speaking, any device adapted difieren
Without respect to the ditferences of the illustrated
tially to block any one or more reed-containing sleeves
forms of the multivoice unit which may be selected, the
without blocking. at least one other would operate within
bodies of the forms shown in FIG. 2 and 3 are alike;
the scope of the present invention. From the foregoing
and the hollow chambers 16 and 17 are concentric with
matter with respect to the end portions of individual reeds,
the body; and in a body as shown in FIG. 4 the hollow 30 it will «be apparent that essentially the invention involves
chambers 19 and 20 are also concentric with the body.
a plurality of reed-equipped air passages, each capable
equal diameter. In all forms shown, the upper cylindrical
chamber l(i105 or 19‘) is tixedly sealed by a top closure
disk 22 having a number of perforations or slots 23
therein; and the lower chamber (17 or 2o) is ilxedly
sealed by a bottom closure disk 24 also having a number
of perforations or slots therein.
lWhether one of the forms embodying the casing con
struction of FIGS. 2 and 3 or the form with the casing 40
construction »of FIG. ¿lis selected, the divider is provided
with a plurality of similar openings 26, or the like (at
least and preferably three), desirably spaced at like angu
lar intervals around the axis of the multivoice unit, and,
any stoppage of air passage, all-the sound-producing
devices giving forth individual tones. The drawing shows
three sound-producing devices incorporated in each form
of the multivoice unit. TwoI sound-producing devices
would work less well and require certain undesirable re
-ñnements to, but still be within the scope of, the inven
tion. More than three sound-producing devices will be
seen to be clearly within the compass of the invention,
if desired. But the disclosure, showing three and three
only such devices, is preferred for the purposes hereof.
A disk of sponge or soft rubber, for example, within
for convenience, at a common distance therefrom so as 45 and substantially concentric with an upper chamber of
to form an isosceles triangle. The openings 26 connect
the upper and lower chambers of all forms of the body
of the multivoice unit.
By preference, in any form of the multivoice unit or
body thereof here illustrated, each opening 26 is force
iitted or otherwise ñXedly provided with a sleeve 27 having
secured therein a reed generically indexed 28, so secured
that both end portions of the reed are free to vibrate.
Each sleeve 27 is provided with an upper ñanged head
29 which is outside its related opening 2e and which
accordingly protrudes slightly beyond the upper face of
its related divider 018 or 21).
FIGS. 2 and 5 best illustrate the arrangement of a
divider (i.e., 18), its openings 26, sleeves 27, their reeds
28, and the flanged heads 29', of any form of the multi 60
voice unit. FIG. 2, like FIGS. 3 and 4, a vertical sectional
view of said unit, is partly in two planes (for the purpose
of showing fully in diametric section at least two sleeves
27 and reeds 28), the planes of the sections meeting at the
axis of the unit 13, and being indexed in FIG. 5 wherein 65
the angled dotted line X--~X indicates how the sections
were‘taken. The plane of the section indicated by 5-5
in FIG. 2 is coincident with the tops of the flanged heads
29 of sleeves 27 of the form of unit shown in FIG. 2. »in
this ligure the outlines of two openings 26 are seen, each 70
with a sleeve 27' iitted therein; and here, too, are seen, in
each sleeve, a reed_28‘. Each reed 28 is secured within its
sleeve 27 intermediate its ends in any suitable manner that
does not block the passage of air through the sleeve or
interfere with vibration of both end portions of the reed. 75
the multivoice unit would, if it engaged the tops of the
ilanged heads 29 of sleeves 27 under suflicient pressure,
etfectively block the passage of air in either direction
through the sleeves. Consequently, such a disk, if tilted
differentially -so as to engage and damp certain, but not
all, sleeves, would enable air to pass through any dis
engaged and undarnpened sleeve or sleeves, so that one
or more patterns of sound would be produced by squeez
ing and relieving pressure upon the bellows-like portion
of the doll.
FIG. 2 shows a tirst form of the invention. Held
loosely within the upper hollow chamber 16 is a tumbler
valve 30 comprising a central erect spindle 31 reinforced
by radial Webs 32 except for a top portion of the spindle.
A cylindrical vertically apertured weight 33 sets on top of
the upper edges of the webs and is` threaded over the top
portion of the spindle. The upper end of the aperture in
the weight is countersunk to receive the swedged tip of
the spindle and thereby secure the weight to the spindle.
Due to its elevated position the weight creates a high cen
ter 'of gravity for the tumbler valve and a consequent un
steadiness which is desirable. A pin 34 depends trom the
bottom ofthe spindle and is located in a central depression
3'5 in the divider 18. Said pin does not rest on the di
vider but cooperates with the depression to maintain the
tumbler valve centered in the upper hollow chamber 16.
The tumbler valve is held captive in said chamber by the
walls thereof, the divider 18 and the perforate or slotted
disk 22 closing the top of the chamber. The tumbler
valve is free to wobble in any angular direction within the
3,093,928
chamber 16.
Forming part of the tumbler valve is a
horizontal plate or disk 36 of relatively rigid material,
e.g. of plastic `and integral with the spindle 31 and webs
32. Añixed to the underside of the plate 36 is a soft pad
or disk 37, preferably of sponge or soft rubber, i.e. of
resilient soft material. Said resilent disk Ábears down on
(under the pressure of the weight 33) and closes all the
tops of the `flanged heads 29 olf the sleeves 27 providing
that the doll, and, therefore, the Itumbler valve 30‘, is
absolutely erect, i.e. perpendicular, or, more specifically,
providing that the center of gravity of the tumbler valve
is within the isosceles triangle `defined -by the openings 26.
lt -is to be noted that although the centering pin preferably
the central bore 39, wherein it has clearance to swing, to
the chamber 20; and, therein, the arm is attached to a
weight 43. The `disks 40 and 41 are normally held in the
sleeve closing (blocking) position shown in FIG. 4 by the
weight 43. The arm 42 securely engages, and passes
through, a liexible, e.g. thin rubber diaphragm l44 fixed to
the central portion of the top of the divider 21. Of
course, rocking `of the pendulum comprising the arm 42
and the weight d3 causes tilting of the disks 4U and 41 to
block two and leave free at random one sleeve ‘27 as de
scribed above.
It will be understood `from the foregoing that `a general
cylindrical shape for the multivoice unit described herein
does not touch the divider -and thereby lessen the closing
is not a limitation of the invention, but is adopted as a
pressure exerted by the resilient disk, contact between the
convenience since the neck of a doll should naturally be
lower tip of the pin and the divider will not prevent opera
more or less round. A multivoice unit having the `faculty
tion of the multivoice -unit pursuant to my invention. A
of producing sound while airis passing through it in either
rubber bumper sleeve 38 embraces the sides of the weight
of two opposing directions, and embodying individually
to minimize the possibility of breakage and to prevent un~
tuned double reed end portions, a plurality of reed-con
warranted rapping or knocking sounds.
20 taining air passages arranged around an axis, and means
Due both to its elevated center of gravity and the un
for damping certain air passages and not others which in
steady seat provided by the soft rubber disk, the tumbler
cludes >an axially mounted and universally tiltable gravity
valve always is minimally in a state of semi-imbalance
controlled valve capable of closing one or more of the
and is easily brought to a state of imbalance wherein it
passages ldepending upon the rdirection of tilt, may have,
topples to a side when the doll is moved out of a perfectly 25 it is obvious, any of a number of shapes; but all are mani
erect position while still remaining generally erect or
festly encompassed by the present invention when such
simply is moved suddenly while remaining erect. The
unit is in `combination with a doll which is essentially a
tumbler valve then will topple in one of three directions,
bellows.
depending up on the direction of tilt or movement, each
It thus will be seen that I have provided a device which
direction being perpendicular to a different side of the 30 achieves the several objects of the invention, and which
isosceles triangle, so that the soft disk will keep closed two
is well adapted to meet the yconditions of practical use.
and will open the third sleeve 27.
As various possible embodiments might be made of the
If the bellows-like portion of the doll is repeatedly
above invention, and as various changes might be made
squeezed and released yand the doll, as .a whole, is repeat
in the embodiment above »set forth, it is to be understood
edly and even slightly moved out of the perpendicular~ in
that all matter herein set `forth or shown in the accom
a random manner or is moved suddenly, air will be alter
panying drawings is to be interpreted as illustrative and
nately discharged out of `and drawn back into such por
not in a limiting sense.
tion through the multivoice unit; and, ias the tumbler valve
Having thus described the invention, there is claimed
30 is gravitationally -wobb1ed, the sponge rubber disk 37,
as new and desired to secure by Letters Patent:
operating as a valve, will differentially engage and damp 40
l. A doll having a bellows with an outlet opening, and
one or more, but not all, of the sleeves l27, and a series ot
a multivoice unit connected to said opening, said unit
polytonal sounds will issue from the mouth of the doll in
rbeing ñxed to the doll and occupying `a. predetermined
imitation of a baby’s babble.
orientation with respect to the vertical wfhen the torso of
It will be apparent that the intensity and speed of
the doll -is erect, said unit having a plurality of air pas
squeezing and releasing the bellows-like portion of the
sages therethrough, a diiferent reed of a diffe-rent pitch
doll, and the violence and frequency of angular movement
secured in each diiierent air passage, and la tilting valve
or side movement of the doll associated with eiîecting
'which is supported to vary its position when the torso is
wobbling of the tumbler valve 30, all contribute to the
tilted with respect to the vertical, said valve in differently
character of the sounds emitted by the doll, i.e., to com
tlited random positions corresponding -to differently tilted
plexity of tonal pattern and volume. Although the tum 50 random positions of the torso obstructing different ones of
bler valve is basically unsteady on its three point support
the passages so as »to prevent operation of the reeds se
due to its soft support and high center of gravity, -a meas
cured «in the obstructed passages.
ure of stability is achieved when it rests ion and blocks
2. A doll as set forth in claim l wherein the bellows
is squeezable.
only two sleeves, leaving ‘only one sleeve free to sound.
Thereby in any given tilted positions only a single tone
3. A doll as set forth in 4claim 2 wherein the torso of
will be sounded if but three pairs of reeds are utilized.
the doll is- flexible and resilient and constitutes the bellows.
This prevents the occurrence at any particular moment of
4. A doll las set tforth in claim l wherein there are
a multi-toned unrealistic sound.
three air passages.
FIG. 3 shows a second form of the invention. Here,
5. A doll as set yforth yin claim 1 having a mouth
placed loosely within the chamber 16 of the multi-voice 60 wherein :the mu-ltivoice unit is interposed between the
unit, is another form of tumbler valve 30’. The unit of
mouth and ‘the bellows.
FIG. 3 differs from that of FIG. 2 in that the pin 34’ is
6. A doll as set forth in claim 1 wherein the air pas
integral with and projects upwardly from the divider 18"
while the `depression 35’ which loosely captively receives
sages are arranged around a central axis which is vertical
the pin is formed in the plate 36' and is downwardly con 65 when ‘the torso is vertical «and wherein the valve is a
weighted discoid resting by gravity on the upper ends of
cave. The operations of the forms of the instrument
said passages and universally tiltable.
shown in FIGS. 2 and 3 are essentially alike.
FIG. 4 shows a third form »of the invention. Here the
divider 21 is provided with a central bore 39. There is no
7. A doll as set [forth in claim 6 in which the multi
voice unit comprises a hollow casing in which the tilting
weight equivalent to the weight 33» in the chamber 19 of 70 valve is located, said valve being smaller than the casing
this modification. Instead, rigid and soft disks 40 and 4‘1
so as to 'be universally tiltable therein and an elastomeric
respectively are provided above the partition and are held
bumper circumscribing the valve so -as to deaden the -force
in the familiar neutral position by a rigid pendulum arm
with which the valve strikes the casing when the doll is
42 passed through the disk 41 and rigidly `affixed to the
tilted.
disk 40; the pendulum arm extend-s downwardly through 75 8. A doll as set forth in claim 1 wherein the valve is
3,093,928
7
provided with a soft disc at its undersurface and engaging
the upper ends `of the air passages.
9. A doll as `set forth in claim 1 wherein the valves
and passages are arranged so that plural but less than
‘all of the air passages are obstructed in response to the
when the torso is tilted with respect to the vertical, said '
valve in differently tilted random positions corresponding
to differently tilted random positions of the torso obstruct
ing different `ones of the passages soy as to prevent opera
tion of ‘the reeds secured in »the obstructed passages.
location of the valve in differently tilted random positions.
l2. A unitas set yforth in claim 11 wherein the valve
v 10. A doll as set forth `in claim 9 wherein the valve
is in Iunstable equilibrium when the doll is tilted away
from the vertical.
obstructs all but oneof the passages at a time in difier
ently tilted random positions of said valve.
11. For use with a doll having a bellows with an outlet
13. A unit as set Áforth in claim ll wherein the valve
‘has associated ‘therewith a pendulous weight. '
opening, a multivoice unit adapted to be connected to
said `Opening and to` be ñXed to the doll and occupy a
predetermined orientation with -respect to the vertical
when the torso of the doll is erect, said unit comprising ,
ia plurality of air passages therethrough, a different reed
olf -a idifferent pitch secured in each dilïerent -air passage,
1,453,527
Schneider _____________ _.. May 1, 1923
2,212,623
l2,745,214
and a tilting valve which is supported to vary its position
2,777,252
Strauss ___.. __________ _- Aug. 27, 1940
Lawson ______________ __ May l5, 1956
Tancredi et al __________ __ lan. 15, 1957
References Cited in the tile of this patent
UNITED STATES PATENTS
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