US1301786A - Talking-machine. - Google Patents

Description

mmmw

, E. A. ESCHINGER.

TALKING-MACHINE.

APPLICATION FILED MAR. 20. I918- Pat-ented Apr. 22, 1919.

3 SHEETS-SHEET 1.

FIE Z E. A. ESCHINGER.

TALKING MACHINE.

{\PPLICATION FILED MAR. 20. ms.

193M386 Patented; Apr. 22, 1919.

3 SHEETS-SHEET 2.

E. A. ESCHINGER. TALKING MACHINE.

APPLICATION FILED MAR- 20. I9I 8 1,31 7% 3 SHEETS-SHEET 3.

Patented Apr. 22, 1919.

To all uiltowic't may concern:

EDWARD A.

. Be'it'k'nown that I,EowARn A. Esomncnn, a citizen of the United States, residing at Philadelphia, in the State of Pennsylvania, have invented a certain new and useful Improvement inTalking-Machines, .whereof the Specification of Letters Patent.

nscnmenn, or PHILADELPHIA, PENNSYLVANIA, essienon or ONE HALF '10 JOEL G. CLEMMER, or PHILADELPHIA, PENNSYLVANIA.

. TALKING-MACHINE.

' tions in the extent of different sound rec my copending application Serial 175,082,

following is a specification, reference being had to the accompanying drawings.

My invention relates to. sound recording and reproducing machines, including gramophones and graphophones; and particularly feed mechanism for sound boxes of such machines adjustable to automatically repeat their cooperation with a given sound record, at the will ofthe operator.

As hereinafterdescribed, my invention 'is specifically adapted for such machines arranged to cobperate with fiat disk records,

and having sound conducting tubular arms or horns which 'move with the sound boxes,

uponsuch movement, to an adjustably predeterminedextent. I find. it convenient to illustrate and de} scribe myinvention herein in connectionfeed mechanism shown in with a gramophone of the type known commercially as a Victor talking machine. However, it is to be understood that I do not desire t'o limit myself to such aspecific embodiment of my invention, which includes the various novel features of" construction and arrangement hereinafter more definitely The two embodiments of my invention" chosen for illustration herein, though specifically-different in their details of con- I struction, each. include means to variabl predetermine the initial and terminal posi-' tions of respective sound boxes with referwith a single rotary camconstructed and "ar' ranged to automatically lift-the sound box from cooperative relation with the record when it reaches a variably predetermined terminal position, and to then return thesound box to itsinitial position and again lower t into-cooperative relation with the ,record; said-cam having the capacity to shift said sound box throughout the maximumirange of its movement by frictional engagement of acam plate carried with the filed June 16, 1917, for Letters Patent of the Patented Apr. 22, 1191M. Application filed March 20,1918. Serial No. 223,525.

United States, in which the specific claims are limited to construction and arrangement I differing from the disclosures herein. It may be observed that the embodiments of my invention herein claimed are distinguished from those in my copending application aforesaid in that the adjustable terminal stop devices are carried by the tone arms, instead of being mounted upon the machine frame or casing.

In the drawings; Figure I isa plan view of the Victor gr'amophone aforesaid, having in connection therewith. Fig. II is a fragmentary VIBW- of the machine shown in Fig. I. j

Fig. III is a fragmentary plan view of the Figs- I and II,

a convenient embodiment of my invention and are soconstructed and arranged that repetition of 'thecooperation of the sound box with any given record is consequent but on a larger scale.

Fig. IV is a left-hand side elevation of a portion ofthe said feed mechanism, as shown in Fig. III; said mechanism being in idle position, disconnected from the motor'which drives it.

vertical sectional Fig, V is a fragmentary, sectional, front elevation of a portion of the feed mechanism shown in Figs. I to IV' inclusive. "Fig. VI is a fragmentary plan View, similar to Fig. III, but showing the said mechanism in operative position, in connection wlth the motor which drives it.

Fig. V-II is a fragmentary, vertical, sec- I tional view of the feed mechanism terminal initial stop'device shown in Fig. VIII.

stop device, taken on the line VII in Fig. ence to givensound' records, incombination' III. I

- ,Fig. VIII is a planview of a'modified form of initial stop device.

ioo

Fig. X. is a plan viewof a modified form,

of an'initial' stop device.

Fig. XIis a front elevation,

initial stop device, of the same general charj 'acter as theterminal stop device shown. in

Fig. III and which may be substituted for and Fig. X II 'is a side elevation, of a modified form of view of the 'bracket attached to the tone arm, affording a support for the fulcrum of the feed mechanism lever, and a support for the sound box when the latter is upturned .into idle position.

Fig. 'XIV is a side elevation, similar to Fig. IV, but showing a more compact arrangement of the cam and gear shiftlng mechanism, designed for the smaller type N 0. IX Victor machine, but adapted for use in the larger, No. XVI, machine indicated in FigsfIand II.

Referring to the shown in Figs. I'to VII- inclusive;-as=shown in Figs. I and II, the casing 1 incloses a gramophone including. the record turn table" 2 arranged --to be turned by the motor 3 which is mounted upon the under sideof the casing top 4 which is detachably rigidly secured in said casing 1. The sound box 5 includesa vibratory diaphragm, and carries the stylus 6, arranged to traverse a groove in the record 8 on said turn table 2 and automatically shift said box toward the axis of said table. Said sound box 5 is attached to the tubular goose neck 10 mounted-to turn upon the axis 11 in the cross tube 12 in the tubulartonearm 13' which thuscarries said sound box 5.- Said tone arm 13 is mounted to swing, in a horizontal plane, upon its vertical pivot pin 14 which is ournaled in .the bearing 15, rigidly connected withsaid 22 which registers with the cam-24, whichhas the capacity to shift said sound box 5 throughout-the maximum range of its move-' ment, away from the axis of said turntable 2, by frlctional engagement with said arcual arm. I

As shown in detail in Figs. IIIto VI incluslve; said cam. 24 is rigidly connected with the shaft 26 which is mounted to reciprocate in the frame 27 which is rigidly connected with said casing top 4. Said shaft 26 also has rigidly connected therewith the gear 28 whereby said shaft 26 and cam'24 are turned, when said gear is engaged with the driving gear 30 upon the vertical driving shaft 31, which, as shown in Fig. II, is journaled in said frame 27 and in the frame 32 and carr1es, near its lower end, the gear 34 engaging the gear 35 on the shaft 36 carrying the gear 37 engaging the gear 38 on the shaft form of my invention Such movement is automatically ef-' having the gear 40 engaging the'gear 42 of said motor 3; so that said motor, which rotates the turn table 2, also operates my improved feed mechanlsm.

Said gear'28, of the'feed mechanism, is automatically shifted both to and from en- --gagement with said gear 30 by the single spring 45, coiiperating with the mechanism shown in-detail in Figs. III to- VI inclusive.

' Said spring 45 is attached atone end to the tappet 47, by the screw 48 which secures said tappet upon the slide ban'49, which is mounted to reciprocate in said frame 27. The opposite end of said spring 45 is attached to the lever 51 which is fulcrumed at 52 upon said frame 27 and has the. stud v54 at its opposite end engaging the annular groove 55 in the sleeve 56 which 1sv -rigidly secured to said shaft 26 by the screw 57. Said slidebar 49 registers-with the crown cam 59, carried by said gear 28 on the shaft 26 ;"so that rotation of said gear- 28, in the direction of the arrow marked thereon in Fig. III, thrusts said slide bar 49 into the position shown in Figs. III and IV, in which said spring 45 is stretched, and, by its tension shifts said rigidly connected cam 24, shaft 26,- and gear 28, to the'idle position shown in Figs. I to V inclusive. Said slide bar 49 is detained in that position by the tripping lever 54, which is fulcrumed "at 55 on said frame 27 and has its hooked.

end engaging said tappet 47, as'shown in Fig. III, under pressure of the spring 58 which is carried by said lever 54 and bears upon said tappet 47; In such idle'position of the feed mechanism, the stud 60 on said frame 27 extends in the notch 61 in said sleeve 56, asshown in Fig. IV; thus insuring that said cam 24 shall be in the rotary posi tion shown in Fig. V, when the gear 28 is disengaged from the gear 30 by the action of said spring 45, and further insuring that it shall not be accidentally turned while said gears are thus disengaged. Said spring 45 operates to shift the clutch gear 28 in both directions, solely by tension of said spring, and in both instances effects a change in the angular relation-of the lever 51 with reference to the plane which is com mon to the axes of said shaft 26 and said slide 'bar 49; When said spring 45 has its end which is attached to the tappet block 47 held stationary,'by engagement of said blockwith the detent 54, as shown in Fig. III;

' said spring tends to increase the angle between the upper edge of said lever 51 and said plane,.thus tending to shift said shaft' 26 and its appurtenances away from the 'dr ivmggear 30. However, when that end of said spring 45 is free to move, byrelease of said detent; 54 fromsaid tappet 47, as indicated in Fig. VI, said spring tends to decrease the angle aforesaid. by drawing said tappet block 47 and said lever 51 closer tot am gether and, because said lever 51 is anchored to the frame 27 at its fulcrum 52, the tension of said spring then effects movementof sa1d shaft 26 and its gear 28 toward said gear 30,

to engage said gears.

It may be observed, that in said idle position of the gear shifting mechanism above v described, the slide bar 49 has been released by the cam 59 which stretched saidspring '45 to efiect the disengagement of sa1d gear 28 from the gear 30, and that said spring 45 is therefore free to, contract and shift said cam 24, shaft 26, and gear 28 in the opposite direction, when said tappet 47 is released by thedetentlever 54. lease is conveniently effected by providmg said lever 54 with the upturned arm 63 in position to encounter a stop member carriedby said tone arm 13. As it is the purpose of my-i nvention to shift said sound box from its terminal position upon any record, to its proper initial position with respect to such 'record; it is important to note that there is considerable'variation in the radial position of the initial and terminal portions of sound record grooves in records of the same nominal size and, therefore, I provide stop .mechanism which is adjustably var1able to predetermine the initial and terminal-positions of said sound box with reference to any given -record. For instance,i.the adjustable stop member 64 ShOWIliiIh Figs. III and V is a gear rack carried by said lever 18; said rack being mounted to reciprocate, horizontally, in'i the slide bearing 65 on the dialplate 67 which is conveniently riveted to the arm 22 "of said lever 18 as indicated at 68 in Figs. III and V. As shown in Figs. III,

cludes the base plate 79 which is rigidly connected with the casing top 4, by screws 80, and has thearcual slide plate 81 longitudinallyeadjusta'ble thereon, said plate 81 having a palr of flanges 82 embracing said base plate 79, and having a slot 83 through which the clamp screw 84 extendsin engagement with said base plate 79. When said screw '84 is. loosened;- bymanually turning its Inilled'head 85, saidplate 81 may be longitudinally adjusted by itshandle 86'tn. pre-. sent its rubber covered end 87 in position to encounter the pendent arm 88' of said bracket and thus predetermine the initial position of the sound box 5, with reference to any given record 8, carried by said turntable 2-.

operates as follows: 7

initial stop mechanism.

the 'arcual end of said lever 18 ered by the weight of the sound box 5 until I The form ofmy .inventionaboye described Any desired Sound r sata-8,aa

placed on the turn table 2; the tone arm13,

.. is turned until the stylus 6 registers with the initial end of the sound record groove indicatedat 89 in I. Thereupon, said initial stop mechanism member 81 '18 adjusted to contact with said arm, 88 carried i by the tone arm 13 and thus insure that when the latter is returned, it will be stopped in the correct'initial position with-respect to that record. Said sound box 5 lsthen convolution 9 of the sound groove in said record, and the terminal stop' mechanism shifted toward the axis of the turn table 2;" until the stylus 6 registers with the terminal.

member 64 is-then adjusted,- by rotation of y the milled head 71, until the tripping lever 54 is released from the tappet 4 Thereupon, said sound box 5 is automatlcally returned to the aforesaid initial position, by

the operation of the feed mechanism above contemplated. That is to say; when said detent lever 54 is thus released, sa1d spring 45 contracts and shifts the shaft 26 until the as Shown in Fig. VI," thus withdrawing the sleeve 56 from its engagement with the stud 60 and permitting said cam 'shaft26 to be rotated by the motor 3. Said cam 24 is thus gear 28 thereon engages the driving'gear-30,

turned in the direction of the arrow marked thereon in Fig. V, thus raising the arcual end of said lever 18 and correspondingly depressing its opposite end in engagement with the lever 17 carried bythe soundibox 5, and

.thus lifting the latter and the-stylus 6 from coiiperative relation with said record. The continued turmngmovementof sa1d cam 24," I

in frictional engagement with said arcual end 22 of said lever 18, turns thetone arm 13 outward until said arm 88 pendent therefrom encounters the padded end 87 of the movement of said cam 24 merely permits to be low- Further turning the stylus 6 assumes its initial positionin coiiperative' relation with the record. Dur

ing the last quarter revolution of said cam 24, the crown cam 59 thrusts the slide bar 49 i to restorelthe spring 45 to its stretched position shown inFigs. III and IV, but said spring is not effective to release the gear 28 from the gear 30 until thenotch 61:.in the stud 60 on the frame 27, III andIV.

p sleeve 56 is presented in registry With'the. 1

as shown in Figs 2 Only a few seconds intermission is required for the automatic return of the sound box from its terminal to its initial position as above contemplated, and the playing! operation may be automatically repeated un-' til the mechanism is stopped by the operator.

As shown in Fig. XIII, I prefer to provide 1 80 said tone arm bracket 20 with the projection 21 upon which said sound box 5 may be rested in idle position; thus permitting noiseless operation of the feed mechanism, and facilitating its adjustment.

The initial stop mechanism shown in Figs. I and III has the slot 83 in the slide bar 84 of such length as to permit the adjustment of the mechanism to play records of all of the different diameters found in commerce. An initial stop device, having the same capacity but more compactly arranged, is shown in Figs. VIII and IX, wherein 90 is a base plate fixed upon the casing top 4: by screws 91 and having the arcual slot 92 for engagement with the studs 93 and 9 1 which,

are fixed in the stop slide bar 96. Said stud 941 extends above said stop bar 96 to form the handle 97 by which said bar may be adjusted, and the spring -98, which is compressed between the head of said stud 94 and the under surface of said base plate 90 frictionally engages them so as to prevent acci-' dental displacement of said bar. Said bar is provided with the index pointer 100 whereby it may be precisely set with reference to the graduations 101.

Of course, if the machine is to be restricted to the operation of records of a less i the slot 106 through which the screw stud 108 extends from said base plate 102, in engagement with the milled nut 109 by which said stop member 105 may be secured in adjusted. position. Said stop member 105 is conveniently provided with the gear rack 110, engaged by the gear sector 111 whichis fulcrumed upon the stud 112 and has the index pointer 113, provided with the handle 114by which it may be precisely adjusted with reference to the graduations 115 on the scale plate 116.

In Figs. XI and XII, I show an initial stop mechanism including elements similar to the elements of the terminal sto mechanism shown in Figs. III and V an including the dial base plate 118, which is rigidly secured upon the casing top 1, by screws 119, in such position that its stop member 120 may encounter said arm 88 pendent from the bracket 20 on the tone arm 13. Said stop member 120 is a gear rack slide bar mounted to reciprocate in the bearin 121 on the back of said base plate 118 an engaged by the gear 123 carried by the shaft 121 having the milled knob 125 carrying the index pointer 126 adapted to traverse the circular series of graduations 127 on said plate 118. Acci dental movement of said stop member 120 is prevented by the spring 128 compressed between said plate 118 and gear 123 and frictionally engaging them.

The gramophone indicated in Figs. I and III is of the large type mounted ina casing which rests upon the floor. I have found it desirable to more compactly arrange the gear shifting mechanism for machines of the smaller type, and show in Fig. XIV such a modification of-my invention, which Was designed for use in the Victor No. IX machine, in which the casing is smallerthan the casing 1 above contemplated and adapted to rest upon a table or other similar support. In said figure; the frame 130 has its base flange 131 resting upon the casing top 4 and its opposite end supported by the bearing 15 at the upper end of the amplifyin horn 16, indicated in Fig. II. The cam sha 138 is mounted to reciprocate in said frame 130, and carries the cam 131 adjoinin the sleeve 135 whereby said shaft may be shlfted', by mechanism constructed and arranged as above described, including a spring 15. This form of my invention may not only be set closer to the axis of rotation of the tone arm 13, but is of less extent with reference to the axis of the cam shaft than the form of my invention shown in Figs. I to VI inclusive and is .thus adapted for a machine of smaller dimensions than is shown in Figs. I and II. Moreover, the stud 137 on said frame 130 is adapted to directly engage the notch 138 in said cam 134 when the gear 28 is shifted to idle position, as shown in Fig. XIV, and thus Prevent accidental displacement of said cam'until said gear is reengaged with the gear 30.

It is to be understood that such an embodiment of my invention as indicated in Fig. XIV may be substituted for the larger gear shifting mechanism shown in Figs. I to VI inclusive, to cooperate with the lever 18 and other elements shown in the latter fig ures.

I do not desire to limit myself to the pre cise details of construction and arrangement of my invention herein set forth as it is obvious that various modifications maybe made therein without departin from the essential features thereof as de ned in the appended claims.

I claim:

1. In a sound reproducing machine; thecombination with a casing; of a motor arranged to turn a sound record table on said casing; an arm carrying a sound box arranged to cooperate with a sound record on said table; an initial stop device, including a base fixed with respect to said casing. and a slide bar on said base, limiting the initial position of said arm at the outer limit of its movement with respect to the axis of said mom ea 5, movement toward the axis. of said table;

means arranged to raise said box and arm from said terminal, position, shift them awayvfrom the axis of said table, andlower them to their initial position, including a zcam" revoluble" on a; horizontal axis driving mechanism for said cam; gearing arranged to connect said motor and driving mechanis 'm; a lever detent for said driving mechanism, fulcrumed on said casing, normally preventing rotation of said cam, but arranged-to be encountered by'said gear rack bar, whereby movement of the latter, caused by movement of said arm'toward its terminalposi'tion,releases said detent and per- .29 mits said driving mechanismto operate to i return said arm and box to the1r initial position." I

2. In'asound reproducing machine; the

' combination with a casing; of a motor arranged'toturn a sound record table on said casing';,an arm carrying'a sound box arranged to cooperate with a sound record on said table; a terminal stop device, including a gear ,andgearrack slide bar, both jour- 80 naled on said arm and limiting the terminal v positionof said arm at the inner limit of its movement toward theaxis of said table; means arranged to raise said box from said terminal-- position, shift it away from the p axis of said table, and lower it to its initial '40 for "said drivingmechanism,

position, including i av cam grevoluble on a horizontal ax1sdr1v1ng mechanism v for said cam: gearing arranged to connect said motor and driving mechanism alever detent N normally.- preventing rotatioiilof' said cam, but arranged to be encount ed by. said i whereby movement of thelatter, caused vby movement ofsaid arm toward its terminal posit on releasessaid detent and perm ts saidqdrlvmgmechanism to operateto return said arm andb'ox to theirinitial position.

3. In, asoundreproducing machine; the

combination with a motor. arranged to turn a sound record table; of, an "arm carrying a sound box arranged to cooperate with a sound record on said table;-"an initial stop device, limitingthe initial ,positlon of said arm atthe outer limitof its movement with respect tothe axis .ofsaid table; a terminal, astop device, carriedwith'sald box, including a slide bar, limitingthe terminal. position of said'rbox at'the inner limitof itsmovement toward the? axis of saidftarble; means arranged to raise said box from said terminal position, shift it' awaylfrom the axis ofsaid table; and lowenit to its initial: position,

including a cam-revoluble on ajhorizontal axis;-driving mechanism for said cam; gearing arrangedtoconnect said motor and driv gear, rack bar,

. adjustable member carried 1 it to its initial position,

"the latter, caused by ing mechanism; a detent for said driving mechanism, normally preventing rotatlon of said cam, but arranged to be encountered by said slide bar, whereby movement of the latter, caused by movement of said box toward its terminal position, releases said detent and combination with a motor arranged to turn a sound record table; of an arm carrying a sound box arranged to cooperate with a sound record on said table; an initial stop device, limiting the initial position of said arm at the outer limit of its movement with respect to the axis of said table; a terminal stop device, including a nonadjustable member, supported independently of said box, and an adjustable member carried with said box, limiting the-terminal position of said box at the inner limit of its movement toward the axis of said table; means arranged to raise said box from said terminal position, shift it away from the axis of the table, and lower it to its initial position, including a cam revoluble on a horizontal axis; driving mechanism for said cam; gearingarranged to connect said motor and dIIVHIg mechanism; a detent for said driving mechanism, normally preventlng rotatlon of said cam, but arranged to be operated by said a sound record table; of anarm carryinga sound box arranged to cooperate with a sound record on said tableya terminal stop device, including a nonadjustable member, supported independently of said box, and an with said box, limiting the terminal position of said box at the inner limit of its movement toward the axis of said table; means arranged to raise said box from said terminal position, shift it away from the axis of the table, and lower including a cam; driving mechanism for said cam; gearing arranged to connect. said motor and driving mechanism; a detent for said driving mechanism, normally preventing rotation of said cam, but arranged to be operated by said terminal stop device, whereby movement of movement of said box toward its terminal position, releases said detent and permits said driving. mechanism to operate to return said box to its initial position. I

6. in a soundreprodu'cing machine; the combination with a motor arranged to turn a sound record table; of an arm carrying a sound box arranged to cooperate with a sound record on said table; an initial stop device, limiting the initial position of sald arm at the outer limit of its movement with respect to the axis of said table; a terminal stop device, including a nonadjustable member, supported independently of said box, and an adjustable member carried with sa d box, limiting the terminal position of said box at the inner limit of its movement toward the axis of said table; means arranged to raise said box from said terminal position, shift it away from the axis of said table, and lower it to its initial position, including a cam; driving mechanism for said cam; and means controlled by said terminal stop mechanism, whereby movement. of said box toward its terminal position, causes said driving mechanism to operate to return said box to its initial position.

7 In a sound reproducing machine; the combination with a motor arranged to turn a sound record table; of an arm carrying a, sound-box arranged to cooperate with a sound record on said tab-1e; an initial stop device, on said casing, limiting the initial position of said arm at the outer limit of its movement with respect to the axis of said table; a terminal stop device limiting the terminal position of. said arm at the inner limit of its movement toward the axis of said table; means arranged to raise said box from said terminal position, shift it away from the axis of the table, and lower it to its initial position, including a cam; driving I mechanism for said cam; a bearing bracket on said arm arranged to cooperate with said initial stop device; a lever fulcrumed on said bracket, in cooperative relation with said box and cam; said bracket being thus arranged to cooperatively connect the stylus restoring mechanism with said stop device and means arranged to cooperate with said terminal stop device; whereby movement of thelatter, caused by movement of said. box toward its terminal position, causes said driving mechanism to operate to return said 'arm and box to their initial position.

8. In a sound reproducing machine; the combination with a motor arranged to turn a sound record table; of an arm carrying a sound box arranged to cooperate with a sound record on said table; an initial stop device, limiting the initial position of said arm at the outer limit of its movement with respect to the axis of said table; a terminal stop device carried with said box, limiting the terminal position of said arm at the inner limit of its movement toward the axis of said table; means arranged to raise said box from its terminal position, shift it away from the axis of the table, and lower it to its initial position, including a cam; driving mechanism for said cam, including a driving and means arranged to cooperate with said fermnal stop devlce; whereby movement of the latter, caused by movement'of said box.

toward its terminal position, causes said driving mechanism to operate to return said arm and box to their. initial posltion.

9. In a sound reproducing machine; the

combination with a motor arranged toturn a sound record table; of an arm carrying a sound box arranged to cooperate witha sound record on said table; an initial stop device, limiting the initial position of said arm at the outer limit of its movement with respectto theaxis' of said table; a terminal stop member, carried by said arm, limiting the terminal position of said arm at the inner limit of its movement toward the axis of said table; means arranged to raise said box and arm from said terminal position, shift them away from the axis of said table, and lower them to their initial position, including a cam revoluble on a horizontal axis; driving mechanism for said cam; means arranged. to operatively connect" said motor and driving mechanism, a drivinggear connected with said motor, a driven gear connected with said cam, and means including a single spring arranged to alternately connect and disconnect said gears; a detent device normally preventing rotation of said cam, including a tappet connected with one end of said spring, and a tripping lever arranged to hold said tappet with said spring set todisengage said gears, but arranged to be encountered by said terminal stop member, whereby movement of the late ter, caused by movement of said arm toward its terminal position, permits said driving mechanism to operate to return said box to its initial position.

10. In a sound reproducing machine; the combination with a motor arranged to turn a sound record table; of an arm carrying a sound box arranged to cooperate-with "a sound record on said table; a terminal stop device carried with said box, including a gear rack stop member, a gear engaging said rack, and means on said gear whereby it may be manually turned to set said rack in different positions; limiting the movement of said box toward the axis of said table stylus restoring mechanism including a rotary cam; driving mechanism for said cam; means arranged to operati'vely connect said driving mechanism with said motor; and a detent for said driving mechanism, normally preventing rotation of said cam, but arranged to be encountered by said terminal stop member, whereby movement of the latter, caused by movement of said box toward its terminal position, releases mouse anism to restore the stylus to its initial position.

a sound record table; of an arm carrying a sound box arranged to cooperate with a soundrecord on said table; an initial stop device, limiting the initial position of said armatfthe outer limit of its movement with said'detent andpermits said driving mechrespect to the axis of said table; a terminal stop member, carried by said arm, including a manually operative gear and gear rack slide bar, limiting the movement of said arm toward the axis of said table;

means arranged to raise said box from its terminal position, shift it'away fromtl e axis of said table, and lower it to its lnitial position, including ,a rotary cam; driving mechanism for said cam; and means arranged to coiipenate with'said terminal stop device; whereby movement of the latter,

caused by movement of said box toward the axis of said table, causes sald drlvmg mechanism-to operate to return said box to its initial position. 12. In a sound reproducing machme; the combination with a motor arrangedto turn 7 a sound record table; of an arm carrying a sound box arranged to coiiperate with a sound record on said table; a terminal-stop member, carried with said boX, including a manually movable slide bar, limiting the movement of said boxtoward the axis of said table, and a spring arranged to hold said slide bar in the position to which it is manually adjusted with respect to said box, means arranged to raise said box from its terminal position, shift it away from the axis of said table, and lower it to its initial position, including a rotary cam; driving mechanism for said cam; and means arranged to cooperate with said .terminal stop device; whereby movement of the latter, caused by movement of said box toward the axis of said table, causes said driving mechanism to operate to return said box to its initial position.

13.,(In a talking machine; the combination with means to turn a sound record; of a sound box having means to coiiperatively traverse such a record; feed mechanism ar ranged to automatically" return said box from its terminal position to its initial po sition, including a driving gear, and a shaft carrying a gear adapted to be engaged and disengaged with respect to said driving gear, by axial movement of said shaft,'and

a spring arranged to shift said shaft alters arranged to slide said bar to stretch said spring to disengage said gears; a lever dewhereby such movement of said box efiects the engagement of said feed mechanism. 14. In a talking machine; the comb1na-' gears to actuate said tion with means to turn a sound record; of

a sound box having means to'coijperatively I traverse such a record; feed mechanism arranged to automatically return said box from 1ts terminal position to its initial position, including a'driving gear, and a shaft disengaged with respect to said driving gear,

by axial movement of said shaft, and a spring arranged tofshift' said shaft alternately in opposite directions; said spring carrying a gear'adapted to beengaged and being operatively'connected with said shaft I at one end, and having'its opposite end operatively connected with .a slide bar; a

cam carried by said shaft arranged to slide said bar to stretchsaid spring to disengage said gears; a detentarranged to normally detain said bar in theposition in which it is set by said cam; and means, operative by the movement of said sound box toward its terminal position, arranged to release said detent; whereby such movement of said box effects the engagement of said gears to actuate said feed mechanism.

15. In a sound reproducing machine; the combination with an arm carrying a sound box; of a stop device limiting the move-. ment of said arm; including a slide bar carried by said arm, and means arranged to manually set said slide bar in difierent positions, including a gear carried by said arm and operatively connected with said bar; and sprin actuated means arranged to prevent accidental displacement of said slide bar.

16. In a sound reproducing machine; the combination with an arm carrying a sound box; of a stop device limiting the movement of said arm; including a slide bar carried by said arm, and means arranged to manually set said slide bar in different positions, including a gear carried by said arm and operatively connected with said bar.

17. In a sound reproducing machine; the combination with a motor arranged to turn a sound record; of a sound box arranged to cooperate with such a record; and means arranged to feed said sound box, including a driving gear connected with said motor, a driven gear movable to and from engagement with said driving gear, a single spring associated with means whereby it may be alternately set to disengage said gears; means arranged to set said spring, includthe position in which it is set by said cam,

including a tripping lever; and means carried with said box arranged to trip said lever when said box has been moved to a predetermined position by the operation of said motor.

18. In a sound reproducing machine; the combination with a sound box; of means arranged to carry said box and support it in different positions, including a pivoted arm, a bracket rigidly connected with said arm, and having a member arranged to stop the operative movement of said box, and a fulcrum member arranged to support a lever; and a lever fulcrumed on the last named support arranged to tilt said sound box to idle position, when actuated by stylus restoring means; and stylus restoring means,

coiiperative with said lever, arranged to return said box to an operative posltlon from the position in which it is stopped by said bracket member. 4

19. An article of manufacture, consisting of a bracket having a member adapted to be connected with the tone arm of a sound reproducing machine, and having a member arranged to support a sound box in idle position, a member arranged to stop the operative movement of said box, and a fulcrum member arranged lever.

In testimony whereof, I have hereunto signed my'name at Philadelphia, Pennsylvania, this 14th day of March, 1918.

EDWARD-A. ESCHINGER. Witnesses:

W. ARTHUR SELLMAN, HERBERT A. BRAUN.

Gopien of this patent may be obtained tor five cents each, by addressing the Commissioner of Patents.

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