US1188682A - Sound-reproducing mechanism. - Google Patents

Description

w. R0TTER-&R. s. ARTHUR. SOUND REPRODUCING'MECHANIS'M. APPLICATION FILED MAUI, 1913.

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w. ROT-TER & n. s, ARTHUR. SOUND REPRODUCING MECHANISM.

APPLICATION F lLED MAY31. I913- I Patented J upe 27, 1916.- -3 snssrs- -smzn a.

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' al /amass of Arm/mix UnitedStates -esiding at Newark, in' the PTE . WILLIAM norms 'AND RICHARDS. ARTHUR, or NEWARK, NEW annsnsr sam ARTHUR ASSIGNOB TO SAID IROT'IER. v

soUND-RErRonUcme MECHANISM.

messes.

Specification of Letters Patent. Patented June 2?, 1916.

application filed Ma 31, 1913. Serial No. 770,827.

To all whom it may concern Be it'known that we, WILLIAM Ro'rTnR and RICHARD S. ARTHUR, citizens ,of the county of. Essex and State-of New Jersey, have invented certain Improvements in domed-Reproducing Mechanisms, of which.

the following is a specification.

The objects of this invention iare'to provide an improved sound reproducing apparatus for use more particularly with dolls and other toys for making the doll appear to talk; to enable the sound reproducing apparatus to be conveniently operated and controlled, and'records to be readily and easily changed; to provide means for posithe machine; to provide a simple and con venient repeat attachment; to provide a retively moving the record-return mechanism out of the way of the record for removing and replacing the same; to provide means for positively releasing j the record-return mechanism when starting the machine if it has already operated, and means for posi-' tively throwing in the recordr eturn mechanism upon starting-the machine, if it has not already operated; to provide improved means for releasing the brake spring from its detent relation to the brake arm to stop producer in which the sapphire holder is attached directly to thediaphragm to provide means arranged centrally of the dia-' phragm for regulating its tension; to locate the slot and pin connection between the diaphragm'holder and its casing inthe neck of the reproducer, and to obtain other advantages and results as may be brought out in the following description-f In the accompanying drawings, in whichlike numerals of reference indicate the same parts throughout the several views, Figure 1 is a vertical central section through the doll, looking from the back toward-the front of the same, and showing the interior con-' struction; Fig. 21s a viewof said interior reason ahorn 14 extends upward from the construction from the front with the doll body removed; Fig. 3 is a side elevation looking toward the right-hand side of Fig. 4: as indicated by arrow X; Fig. 4: isa central vertical sectional View through the re.'

producer; Fig. 5 is a vertical section on line i AA of Fig. 4, looking in the direction indicated by the arrow; Fig. 6 is a side elevation' of the arm for retain ng the record spindle in position; Fig. 7 1s a detail perbody or torso 1 holds said section to the spective view of the controlling handle and I its attached parts; Fig. 8'is a detail perspective View of the device for raising and re-' turning the record to its initial or starting position; Fig. 9 is a detail perspective VIGW of the brake-carrying lever, and Fig. 10 is an elevation of a modified construction of feednut.

I In the specific ,embodimentof the inven-- tion lllustrated in said drawings, referencenumeral 1 indicates the torso or body of a doll, made up of an upper section 2 carrying the armsB, 3 and a lower section 4 carrying the legs 5, 5. Within the said torso orbody 1 is a substantially rectangular strap metal frame '6 for carrying the various 'mecha nisms hereinafter described. Saidframe is frame and in proper joined relation to the upper section 2. This screw 8 is preferably provided with a sleeve 9 adapted to space the frame 6 away from the lower section/t of -the doll body so as to limit the screw .8 in drawing or clamping the parts together. The lower section '4 is therefore held through the agency of the frame 6 up" against the upper body portion or. section 2, and in order to prevent transverse slippage or-twist', dowels 10, 10, are-preferably ar-,'

ranged in the upper edge of the lower section to engage'in suitable holes in the-loweredge of the upper section.

' The phonographic reproduction of sound is obtain'edby a reproducer 11 at the top of l the frame 6 coacting witha cylindrical record 12 therebeneath, and it 'is. a feature of the present invention to issue the sound from the head 13 of the doll,'for. which reproducer through the neck. of the doll into the head; Said. cylindrical record 12' is frictionally held upona drum 15' fixed ing collar 18 slidably splined thereto, allowing longitudinal movement of the spindle the spindle \ltii the art.

within the collar. It is? to be, understood that eunted'horizontally and extends across the rame 6 from side to side of the doll, and is rotated by-a. gear-wheel 19 onthedrivingcollar 18 receiving its'rotary movement through a suitable train of gearing from a spring Within acasing 20 herein shown, as is usual and customary This train of gearing preferably includes a governor comprising 'a rotating governor-shaft 21 carrying a friction disk, 22 adapted to be slid by the centrifugal ac tion of weights 23 as is usual in governors of the'centrifugal expanding type. As the governor shaft 21 gains speed, the friction disk 22 is thus brought into contact with a brake 24 supported from the bottom of the frame 6 and which is held in adjustable re-' lation to the'normal-position of thefriction disk by means of a screw 25 from the side of the frame 6, An approximately constant speed of rotation of the record is therefore provided, the rate'of which can be adjusted as desired.

The feed nut to coact with the threaded portion 17 of the record spindle 16 is preferably integral with the side of tlie'frame (j,

v and comprises a T-slot theneck 26 of which is cut perpendicularly inward from the back edge of the side of the frame 6 to thevelyjcal portion 27, so that when the spindle is slid transversely through the neck 26 lodges in the bottom of said vertical pgn, 111% 27. For preventing inadverten tiytlis id'g ment, the neck is provided with/curve eaf springs 28 at its upper and ti 'er walls, partly closing the opening provi ed by said neck. The spindle may be manually introduced or removed past these springs when so desired, but we do not wish to be understood as limiting ourselves to this particu-- lar means for retaining the spindle within the vertical slot, other means, such as shown in the modified construction of Fig. 10, be ing adapted to the purpose. In this modified arrangement the referencenumeral 16 indicates the record spindle supported by a frame '30 in an appropriate slot similar to the one just described. This slot provides a horizontal neck 31 and a vertically disposed portion 32 at the inner end thereof into which the said spindle can seat. A latch 33 is pivoted adjacent this vertical portion 32 upon the opposite side thereof from the horizontal slot and-provided with anotch 34 in its under edge adapted to take over the spindle when the latch is swung downward. A leaf spring 35 may be arranged at the pivoted end of the latch to hold the same normally depressed, and at the opposite end of said latch may be arranged a spring catch 36 to engage below a pin 37 projecting from 'the'side of the frame to retain said latch in its depressed position.

necessary to .man-

ually raise the latch so that its notch disengages the spindle sulliciently, that 'thesa-me may be raised to the levehof the horizontal to an upwardly projecting neck 39 integral therewith. Said neck 39 is slidably mounted in a collar 40 in the upper portion of the frame 6 and preventedfrom rotation therein by a transverse screw 41 projecting from the neck through a vertical slot 42 in the collar 40. Clamped by means of a clamping ring .43 screwed into the head 38 from its open bottom is the diaphragm 44 having washers 45, 45 about its usual, and apertured centrally of itself to receive a stylus carrier 46 from the :center of which depends the stylus 47 to engage the record. Said stylus carrier is preferably 'pressed into the ape r.ture of the diaphragm and has at its upper side a centralboss 48.

Extending diametrically across the-upper end of the collar 40 slidably supporting the reproducer is a bridge or plate 49 [its center a tension adjusting screw 50 depending axially coincident into the collar 40 and provided with an annular lateral flange or shoulder 51 adjacent itslower end. 'A helical spring 52 interposed. between this flange or shoulder 51 and the stylus carrier 46, seats on the latter around its boss, 48, the end 53 of the screw 50 depending below the flange 51 Within the spring 52 maintaining said spring in approximate axial alinement and retaining it in position. the screw 50 up or down, the tension of the spring 52 against the stylus carrier 46 may be varied for th reproduction of sound to the best advantage. As has been stated the sound is conveyed into the head 13 of the doll by the horn 14, the lower end of which is provided with a sleeve 54 adapted to fit about the upper end of the collar 40 for holding the reproducer in position, Figs. 1 and 2. As shown in Fig; 1, a yoke 100, to opposite ends of which are attached the bands 101. 101 for seating the arms 2,2 of the vdoll. vpermits the unobstructed extension of the paras just described upward to the dolls ea For starting and stopping the rotation of the record, we provide a brake 55 carried upona brake lever 56. (see Figs. 1 and 9), and adapted to be swung thereby into or out of engagement with the friction disk 22. This brake lever is pivoted at its lower end -in substantially upright position on a suitable bracket 57 in a: lower corner of the peripheral margin, as is having at frame 6, to swing in the plane of said frame,

and is held normally as shown in Fig. 1,

position'whereby the bralre55 thereon is held away or released from the friction disk 22 and allows the record to,be rotated. In order torelease the spring from the notch in stopping the mechanism, we provide a trip or trigger 169 pivoted to the brake lever 56, and as shown in the drawings saidbrake lever is preferably'bifurcated longitudinally of itself with the trip 169 pivotally held between thetwo bifurcated portions thereof, as at 61, above the notch'59 in the brake lever.

. Whenthe spring 58 seats in the said notch 59, it pushes the-trip into the position shown in Figs. 1 and 9, and if subsequently the upper end of the trip is swung to bring the trip into alinernent with the brake lever, its lower end will thrust the end of the leaf spr1ng'58 out of the notch 59 and said spring will then operate to swing the brake lever 56' back into itsnormal position with the brake desired. This member comprises an arm 64 r set. In the proved apparatus, left to right, as shown in Fig. 1 of the drawings, and between 'moving it is a worm stantially midway between the record spindle 16 and the governor shaft 21, said worm being formed on a shaft 69 fast with respect to onefof the gear'wheels in the train of gearing. Parallel to this worm 62, in a substantially horizontal plane with the same, is a rod .63, see'Fig.'5, upon which is slidably mounted the member record to initial position and stopping the entire mechanism or causing it to repeat, as

reproduction of sound by our imhaving a sleeve 65 for its-slidable support the rotation of the same upon the rod 63, said arm projecting for-- wardly over therworm shaft 69 and adapted to slide idly .over

broad where it rests upon interfered with by but slide upon the outer-edge of the thread thereof. An upbeing sufficiently the worm so as not to be wardlv extending finger 66 carried by this arm 64:, see Figs. 1 and8, is engaged by the record holding drum 15 as the same is advanced during its rotation, said advancement of the drum thus sliding the entire member before it toward the gear 67 on the worm shaft 69. When the record has\been attached at its other end to the lower porthe record 12 moves from it and the gearing for 62 parallel to and subfor returning the the worm 62 while the-- record is being "actuated forwardly or during its sound producing period. said arm 64 starting position.

played, this atm 64 has beencarried longitudinally of the worm over to said gear wheel 67 by which the worm is rotated, and from the inner face of this gear wheel projects a lateral pin or stud 68 eccentric to the which lies above sa d. rod 63 and the forward end of which lies beneath the worm shaft 69 and is adapted to engage in the worm 62 when the stud or pin 68 raises the arm 64 as'just described. Said forward end of the dog 60 has a hollowed head 70 adapted to fit against the worm 62, to mesh there-.- with, as'gclearly shown in Fig. 5 of the drawings, and by a careful inspectionof said fi'gure,-it will be apparent-that when the arm 61' is raised the forward end of the dog'6O will strike the worm 62 and swing said dog upon its pivot 71 so as to allow the hollow end 70 to seat itself against the'i'vorm 62. Aspring-{ZZ secured to the arm 61 and bearing against the rear end of the dog 60 normallyholds said rear end of the dog against the sleeve-65 of the arm 64 to retain the dog in position to engage the worm. hen the arm 64L is lifted as above mentioned and the dog 60 swings, as its for ward end strikes theworm, it will be understood that the spring 72 yields and that when the upp'er horn of'the seat 70 has passed the worm said spring immediately forces the rear end of the dog downward and seats its forward end against the worm. The worm then carries the entire member to the e d of. itself away from the gear wheel 67.-th s returning the record to initial position by its finger 66, and furthermore a bracket 73 preferably at the point of pivoting of the dog 60, (although it might be otherwise suitably supported upon the arm 64), holds the record 12. its drum 16 and spindle 15 therefor, which is carried at its ends' in slots more'fully described herein" afterfelevated while the said arm 6 is in raised position, so as to disengage both the gear 19 for rotating said spindle and its It' is preferable to provide the jeeting toward the brake lever 56. 'so that as the entire member is slid'by the worm 62 toward said brake lever, such extension will strike the trigger 169 at the moment vhen the drum 15 has arrived at its initial or It will be understood that this engagement of the extension 74 f with the trigger 169 swings it to release the brake lever 56 from its disengaged position, as already described, so as to stop me p the entire mechanism. Furthermore the sion bya clamping bolt 76, see Fig. 8, especially,'-s'o that by turning this extremity to project idly toward one side of the extension 74 said extension will not engage the brake lever trigger 169 and the machine will. repeat its reproduction of' sound. Forfgreater positiveness, we have shown a collar 7 7 fixed on the rod 63 to limit sliding of the recordreturn member in return--v ingthe record'tof initial position, but it willrhfe understoodj that this collar can be omittedunder some conditions.

Inorder to swing the brake lever intoajthe released position where it'is de tained byflthe leaf spring 58, as described,

from the exterior of the doll, we provide a controlling lever having'a finger piece 8 projecting through a suitable hole 79 1n the side of the doll and pivoted to the side .ofthe frame 6 at a suitable polnt, which isabove the brake lever and worm shaft and rod 63, so as to swing in a plane parallel to the said frameat the front side thereof. Said controlling lever has a depending arm 80 with a -laterally projecting pin 81 adjacent its lower end, which is adapted to engage thebrake arm 56 and swim the same into released position when the ngerpiece-ofthe controlling lever is depressed,'see Fig. "1;

In case'the engagement of the record return member with the pin 68'o'f the gear 19 should stop the motor by any failure to operate properly, so that the record would bereturned to its initial position and efore not started when the'finger piece of i-"i the. controlling lever is depressed, a

frontiarm '82 is provided on the controlling 'lev rfsee Figs. 1 and 7-, adapted to engage undefzthe arm 64 if stuck as above stated- I and raise the same when the finger piece is .fidepressed,. said arm 82 being bent in any suitable manner to avoid mterference with thetravel of the record return member and itsparts.

The pivotal support of the controlllng le- -ver.78 is preferably by a transverse pivot rod '83 fixedwith respect to the finger piece and 'rotatably supported in a bracket 84 Said pivot rod beyond the same and has at its opposite end a rear arm 85, see Fig. 2, adapted to swing upward. "when the finger piece 78 is depressed and strikethe rear end of the dog 60 to releasethe same from the worm 62 and cause it to drop into normal disengaged position, as already described. A helical spring 86 attached at one end to any convenient point of this rear arm and at its other end to the frame 6, or otherdle must be removably mounted in its end piece of the frame similarly to the removable. mounting of the threaded end of the spindle which has already been described in the early part of this specification. This is done b forming in the end piece 103 a T-slot 8 having a horizontal portionextending from the front edge of the end piece inward and a transverse portion extending longitudinally of said end piece, the collar adapted to be inserted through said horizontal portion into the bottom of the longitudinal portion of the slot and the end piece 103 received between the gear 19 and a flange 88,0n the end of the collar, both overlapping the end piece beyondthe edges of the slot so as to prevent longitudinal movement of the collar. For releasably holdingsaid collar 18 seated, we provide a retaining latch 89 pivoted to the end-piece 103 having on its under side a recess 90 adapted to take over'thecollar when the lever is normally swung down-' wardly thereupon about its pivotal support. A handle 91 is providedat the outer end of this retaining latch 89 and the other the frame to the rear of the frame and has a downwardly extending link or connecting rod 92 pivotally attached at its lower end to one arm of a bell crank 93 fulcrumedon the frame 6 to swing in a plane parallel thereto. The other arm of this bell crank 93 is upwardly inclined and adapted to swing across the back of the machine-when the retaining latch 89 is raised to release theshaft, and laterally engage the protruding end of the dog 60 to shift the record return member bodily from whatever position it may be in over adjacent to the driving gear-wheel. 19,- whereby said return member will not obstruct the path or be in the way of removing the record spindle from its bearings. Furthermore, when the said collar retaining latch 89 is raised, by its handle 91, it operates means for lifting the reproducer 11 and supporting the same until the recordspindle and drum are returned and said retaining lever lowered. These means are shown as comprising a bail 94 pivoted as at 95, 95 in' the end pieces 103, 104 of the frame 6, near .their rear edges and preferably right over the axial line of pivoting of the retaining latch 89, the main bowed portion 96 of said bail lying between the reproducer and record in front of their point of engagement with each other. From the pivoted end of the bail in the end piece 103 on which the retaining latch 89 is mounted, a radial'arm 97, shown as an integral part of the bail, outside said end piece, extendsforward overthe retaining latch to be engaged thereby as the latch is lifted and swing the bail to raise the reproducer. Preferably, the end of said arm 97 is bent to extend through a slot '98 in the end piece 103 and underlie the body portion of the bail, for greater rigidity and positivene'ss. 'A stop 99 in the othenend piece 104 is provided to limit dropping of the bail in idle position by engaging its body portion, also, or any other equivalent limiting means can be employed.

" By the improved construction and arrangement'of reproducer herein set forth, by which the stylus is held against the recv0rd by spring tension, our sound reproducing apparatus is independent-of gravity,

and the'doll may be held in any position and yet talk or sing equally Well.

Various departures may be madefrom the exact detail construction herein shown and described for purposes of illustration, andwe do not wish to be understood as limiting ourselves except as required by the following claims when construed in the light Yof the prior art.

what we claim is Having thus described our 1. In a sound reproducing mechanism, the combination with a frame providing a laterally open bearing, a collar rotatively' -35 mounted in said'bearin'g, a latch for holdin said collar in said bearing, a record spindle in said collar, a reproducer mounted above said record spindle to move up and down, and a bail pivoted in said framebe neath said reproducer and adapted to be engaged by the said latch when opened to swing said bail upward against the repro-' ducer and raise the same. I

2. In a sound reproducing mechanism, the combination witha frame providing a bearing which is laterally open at the front of the frame, a collar rotatively mounted in said bearing, a latch for said collar pivoted upon said frame at the rear of said bearing, a record spindle in said collar, a reproducer mounted above said record spindle to move up and down'fand a bail extending reproducer.

3. In a sound reproducing mechanism, thebeneath the front part of said reproducer and pivoted at its ends near the rear of the frame, said bail adapted to be swung upward by the latch when opened and lift the combination with a longitudinallymoving record mandrel, of a slideway and a Worm shaft both parallel to said mandrel, means for rotating said mandrel and worm shaft,

a record return member mounted on said slideway and worm shaft and adapted to be slid idly thereof as the record mandrel invention,

advances, and means for engaging said record return member with the worm at a predetermined point to carry. the record mandrel backward.

4. Ina sound reproducing" mechanism, the combination with a record mandrel adapted to move longitudinally of its axis and means for advancing the same, of a slideway and a worm shaft both parallel to v the axis of said mandrel, means for rotating said mandrel and worm shaft, a record return member mounted on said slideway and worm shaft having a finger adapted .to engage the record mandrel, said member adapted to-beslid idly forward as the record mandrel advances, and means for.disengaging said mandrel from its advancing means and engaging said return member with the worm at the same time. I

5. In a sound reproducing mechanism, the combination with a record spindle having a threaded portion engaginga threaded seat, arecord mandrel on said spindle, and.

meansfor turning said spindle, of a slide way and a worm shaft both parallel to said record spindle, means for turning said worm having a finger adapted -to engage the side of the mandrel and a bracket beneath said mandrel, said member adapted to slide idly forward with the mandrel, and

shaft, a record return member mounted on said slideway-and worm shaft means for raising said return member into engagement with the worm shaft and cansing its said bracket to lift the record spindle out of engagement with its seat.

6. In a sound reproducing mechanism, the

combination with a longitudinally movable record mandrel, of a slideway and a Worm shaft bothparallel to said mandrel, a record return member comprising an arm fulcrumed on said slideway and projecting above the worm shaft and a dog fulcrumed -on said arm intermediate the slideway and' worm shaft with one end over-lying said slideway and the other end. under-lying the worm shaft and vadaptedto meshwith the thread thereof when the arm is lifted, means on said return member for engaging the mandrel, means for driving-said mandrel and- .worm shaft, and means for lifting the said with the worm, said mandrel and return member each being adapted to engage slide theother in turn, means for driving said mandrel and worm shaft, and means for swinging the said arm of the return member to engage the said dog with the. worm.

8. In a sound reproducing mechanism, the combination with a record and a motor and driving mechanism therefor, of a brake, a brake lever for operating said brake, a spring normally holding said brake lever in initial position and adapted to retain the brake lever at the other range of its movement, a trip on said brake lever adapted to release said spring when detaining the lever, means for returning the record to initial position, and means for operating said trip as the record is returned to initial position.

9. In a sound reproducing mechanisnnthe combination with a record of a brake, a

brake lever,'a spring normally forcing said brake lever toward one end of its range of movement and adapted to detain it at its other end of movement, a trip pivoted on said brake lever and adaptd to release said spring as a detent, means for returning the record to initial position, and means operated by the return of the record to initial position for releasing said trip.

10. In -asound reproducing mechanism, the combination with a record tarrier, a motor and driving mechanism, of a brake, a

brake lever, a spring normally pressing said\ brake lever toward one end' of its range of movement and adapted to detain it at the other end of its movement, a trip adapted to release said brake lever when detained by the spring, and means operated by the record carrier for actuating said trip.

11. In a sound reproducing mechanism, the combination with a record carrier, a record return member, and means for operating said parts, of a brake, a brake lever, a spring normally forcing said brake lever toward one end of its range of movement and adapted to detain it at the other end, a trip adapted to releasesaid brake lever when detained by the spring, and means on said returnmember for engaging said trip.

12. In a sound reproducing mechanism, the combination of a brake, a brake lever, means normally tending to apply said brake and adapted to detain the same in released position, a trip for disengaging the brake When so detained, a rec-0rd return member adapted to operate said trip, and driving means.

13. In asoundreproducing mechanism, the combination of a brake, a brake lever, a

springadapted to detain saidb'rake lever in position; to release the brake and to press againstit at all other positions to applythe b'rake,a controlling lever adapted to swing said brake lever into posltion to releasethe brake, a trip for disengaging said bra (a; lever from detained relation to the spring, a

record adapted to be returned when played ber actuated by said driving means as the record is returned for operating said trip.

'14. In a sound reproducing mechanism, the combination of a brake, a brake lever, a spring adapted to detain said brake lever in position to release the brake and to swing it from 'all other positions to apply the brake, a trip for disengaging said brake lever and spring from detaining relation, a record return member adapted to operate said trip, means for actuating said return member, and a controlling lever adapted to swing said brake lever into position to release the brake and to engage said record return member with its actuating means.

15. In a sound reproducing mechanism, the combination of a brake, a brake lever, a spring adapted to detain said brake lever in position to release the brake and to swing it. from all other positions to apply the brake, av trip for disengagingsaid brake lever and spring from detaining relation, a record return member, a piece on said return member adjustable to either engage said trip or, not engage it, and means for operating said return member. 4

16. In a sound reproducing mechanism,

the combination with a slideway and a wormshaft, of a record return member comprising an arm slidably fulcrumed on said slideway and projecting toward one side of the worm shaft and a dog fulcrumed on said arm projecting toward the other side of the worm shaft and having an end adapted to mesh with the worm, means for driving said worm shaft, and a controlling lever having an arm adapted to engage said return member with the worm at one end thereof and a second arm to disengage the return member fromthe Worm at the other end thereof.

17. In a sound reproducing mechanism, the combination with a record mandrel, a. .return member, and. means for advancing said record mandrel and operating said return member to carry the mandrel backward, of a controlling lever for starting and stopping the mechanism having one arm for engaging the return member with its said operating means at one end of its range of movement and another arm for disengaging said return member from said operating means at the other end of its range of movement. t v 18. In a sound reproducing mechanism, the combination with a, record mandrel, a return member, means for advancing said record mandrel and operating said return member to carry the mandrel backward, of a controlling lever for starting and stopping the mechanism having an arm for engaging the return member with its said op- 19. In a sound reproducing mechanism, the combination with a record mandrel, a return member, a worm for drivin said return member backward, means tor automatically engaging said return member with said worm and means foractuating said parts, of a hand leverhaving an arm for throwing said return member into engagement with its s'aid worm.

20. In a sound reproducing mechanism, the combination with a record mandrel, a return member, a worm for driving said return member, and means for actuating said parts, of a hand lever having one arm for throwing said return member into engagement with the worm at one end thereof and a second arm to disengage the return member from the worm at the other end thereof.

21. In a sound reproducing mechanism, the combination with a record return member, a worm for actuating said return member, driving means, a brake, and a brake lever for releasing said brake, of a controlling .lever having one arm for operating position.

WILLIAM ROTTER. RICHARD S. ARTHUR.

Witnesses:

HOWARD P. KING, JANET A. AYERS.

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