US1275635A - Attachment for phonographs. - Google Patents

Description

tached` from the machine and lost. This I To all whom t may conce-rn.'

"Be'fittknoni that I, WILLIAM WnAsiiR, Citizenpoi thcUnited States, residingr at -f Pittsfield, m the county of Berkshire and State'o'f'Massacliusetts, have invented certain new and useful improvements in At- *ftachments :tor Plionographs, f Which the following is a specification.

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1- This` invention; relates to attachments for plionographs and similar sound reproducing 'instriinients and, `more particularly, to iini'neans for Winding and rewinding the'lmainzspring for operating the record f carryingmechanism, lnthe present speciiication-the Word phonograph is employed 4in" its Generic sense embracinal different f lforms gf ,suchv reproducing machines.

" In 'tlieordinary type of commercial phonograph, it is necessary for an attendant 'to rewind the mechanism `at\frequent intervals time and effort involved in reivinding the `ph'mographic' mechanism, and to otherwise 'simplify thisoperation.'l A further object to substitute' Xed and inconspicuous Ivinechai'iisin :toran' unsightly crank, which is 'ordinarily loose'and liable to become defaceomplish hy the provision` of improved inea-nsfor rotating the Winding-shaft, in-

i volving' the substitution 'oa straight line pull Vfor the'usuall rotary motion applied to a crank.

With the foregoing and other objects in f v`vievviny"invention consists iii the construction, arrangement and combination.l of parts, 40'

hereinafterdescribed and illustrated in the accompanying drawings, Whereinf' jFligui'e 1 is a side elevation of a preferred Lorinfof1einlooCliment, of the invention, the inner side-'Wall of the casing being removed to disclose' the inclosed mechanism;

Fie'. 2 a front elevation ci the same, the C 7 yif'rb'n't'Wall of the casing-being removed for [the 'like purpose;

3, a reduced' view similar to Fig. 2,'

showing the relative positionv et' my device i 1 when operatively applied to phonograpn ofthe usual type, the latteibeing indicated in dotted lines;

Y `Fig. 4, a detail side vieu' showing a central portion of the main sprocket and ratcheteontrollcr mounted upon shatt;

i Specification of Letters Patent.

.nnirnn arianne iai/WENT onnicn ,y ,P l Winizraai n.. wiiiisnn, or einser-rain,MASSACHUSETTS.

' y .arracniannr ron. rnonoennrns.

Patented Aug. is, 1918.

`.egpiilicati'oii filed March 36, ll. Serial No. 224,828.

Fig. 5, a front View of the same; and

Fig. 6, a vieWsimilar to F ig. 3, illustrating my device embodied within the phono' graph casing.4

Within a suitable casing 1, which may be detachably secured in any approved manner to the phonograph casing 2, I provide a frame casting 3 of open structure, preferably comprising a base portion 4, which .is de tacliably secured to the casing walls, and op- `one end oi the shaft is preferably reduced to form a .journal 10, the body of the shaft forming a shoulder in engagement with the inner face of the adjacent bearing, which prevents endwise displacement ot' the shaft in one direction, While displacement in the v`opposite direction is normally prevented at the opposite end of theshaft by a removable screw 11 tted into a suitable tapped opening provided in the outer face of the bearing 9 in alinement with the shaft opening, said screw being adapted to engage the terminus of the shaft.

To displace the shaft 7 for any purpose,

lthe screvv 11 is removed to allow a free opening in the bearing 9, through which the. shaft may be passed.

Mounted centrally upon the 'shaft 7 is shown a grooved Wheel or drum 12 secured thereto by a removable pin 13 secured transversely through a hub or boss 111 laterally provided on'the drum. Said drum iscon nected to a pulley 15 of reduced diameter.-

by a cord 16 which is secu-redv at its inner end to the drum 1i), and Woundtheiei Within i -the peripheral groove 17 .a predetermined length, the 'free end of the cord being ear-1 ried from the front side of the drum 12'to the rear side of the pulley 15 and laid in a peripheral groove 18, thence the cord is carried over the top of the pulley and extended forward to the iront Wall of the casing 1, passing through a suitable eye or bushing 19 provided therein, the outer end of the cord being secured toa suitable pull 20'arranged on lthe outer vside of the casing and having a larger diameter than the opening in the bushing 19. ,.1

The pulley i5 is provided with a hub or .through thickened portions thereof provided with suitable apertures and forming bearings 23, 23, the extremitiesof the shaft projecting beyond 'the bearings being provided with transversely arranged Cotter pins 24, 24C, mounted therein to prevent endwise displacement of the shaft in either direction.

Mount-ed upon thedrum-shaft 7 and in spaced relation to the drum 12, is shown ay main sprocket 25 which carries on its periphery an endless sprocket-belt 26 which isarranged to also engage the periphery of a separate sprocket 27 which has a smaller diameter than the main sprocket and is mounted to move in the plane of the latter at the upper end of the casing 1,v said sprocket 27 being carried upon a winding shaft 28 rotatably supported at opposite points in slots 29, 29, provided in thickened portions of the brackets 5, 5, forming an extensionv of the bearings 23, 23. The sprocket 27 is provided with a hub or boss 3G and pinned to the shaft 28 similarly to the drum 12 and pulley `15. rIhe sprocket 27 rotates with the main sprocket 25 byV means of the belt 26, and in the same direction and at a higher speed, due to its smaller circumference. `While the sprocket 25 is free to idle upon the shaft 7 when the latter 'is reversed by the drum 12 during the operation of winding up, it is forced to move with the shaft, when the drum is unwinding by means of a ratchet 31 mounted on the shaft adjacent nthe inner face of the sprocket. This ratchet 31 is removably secured-to the shaft by a transverse pin 32, and arranged to normally trip'on a dog 33 controlled by a spring 34 mounted in adjacent relation on the side of the sprocket 25, said dog and ratchet being adapted to rotate the sprocket 25 synchronously with the drum 12 when the latter is being unwound.

The movement of the sprocket 25 operates to drive the winding-sprocket 27 and therewith the winding-shaft 28, through the medium of the sprocket-belt 26. The inner end of the winding-shaft 28 is arranged to extend through a suitable opening 35 provided in the side wall of the casing l and into the interior of the phonograph casing 2, said inner end of the shaft terminating preferably in a suitable socket or head 36 adapted to fit over .the outerend of a shaft 37 normallyprovided within the phonograph cas.

ing forwinding up the main sprlng (not shown) of the latter. l

In rewinding the drum 12 the operator releases the cordv 16, or relaxesthe tension thereon sufficiently to permit the drum 12 newest to be reversely rotated under the impulse of 'a driving-spring 38', which'is arranged to be wound up under the force of the'operators action 'in drawing out thecord 16 through the mediumof the pull'20. Said drivingspring is 'preferably a flat spring movabl v proper alinement with the'windingor of the phonograph and also a. proper tension of the sprocket-belt 26 by means of adjustable plates 39, 39, carried on the inner-faces of the brackets 5, 5, and provided'centrally with suitable openings to receive the winding-shaft. As shown, the plates 39, 39, are secured to the brackets5, 5, by means of bolts 110, 40, etc., carried at opposite ends of the plates and extending through suit-v able round openings therein and also through slotted openings .511, il etc. provided in' the brackets 5, 5, and arranged to allow the plates to be moved to a limited extent upward or downward. Endwise displacement of the winding-shaft 28 is prevented preferably by means of cotter- pins 42, 42, carried on the winding-shaft adjacent the inner faces of the adjusting- plates 39, 39, while ant-i- frictional washers 43, 43, are preferably interposed between vthe said Cotter-pins and plates. j

The operation of my device which is controlled by the pull 20, will be sutlioientlyr-l understood from the foregoing-description.

While I prefer to employ a separate cas-v ing to receive themechanism of my device', it will be understood that I do not limit the use of my invention thereto and that the casing 1, or a casing similar thereto, and the inclosed mechanism, or such mechanism without the casing, may be mounted within the phonograph casing, as illustrated in Fig. 6.

It will be further understood ythat I dol not limit my invention to -theiuse of a link belt employedin connection with sprocketsl kwindingshaft 28 may be regulated to insure ast as a driving medium, but that the scope of my -invention embraces other mechanism i such as a friction .belt or suitable meshing' gear as a medium for transferring motion from the drum shaft to the winding shaft.` I claim: 1.`In a sound reproducing machine, the combination with driving mechanism,1jin

cluding a winding shaft, for rotating fthe sound record, ofmea-ns for revolving winding shaft, and including oppositelyar.- ranged supports, a separate shaft revolubly mounted on the supports, a drum mounted to rotate with said last-mentioned shaft and carryingsa flexible pull kmember secured ,A thereto at one 'end 'and having a free end wound peripherally thereon, means for ad- ]ustmg the relative 4position iof said shafts, and means mdv'ablyconnecting said drum shaft Withsaid Winding -shaft 'for rotating the winding shaft whenthe drum is revolved throu'gl'r the medium of 'the pull member.

f2; Inla' sound reproducing machine,the

combination withfdriving mechanism, in-

cluding a winding shaftand va sprocket A mounted' on ,th'e vwinding shaft, for' rotatin thesound record, of means for revolving said `shaft and sprocket and including oppop 'sitely'arranged supports, 'a separatev shaft 1ou bly-mounted on the supports, a drum mounted to. rotate with the last-mentioned :shaft and'carryin .a lpfull member secured ,i the pull member, andvmeans for reversely .ber thereon Without revolvingl the winding* rotating' the drum `to rewind-the pull mem- .combination with driving mechanism, in-

cluding a main windingshaft, for rotating Ythe sound rec'ord, of meansY for revolving.

l.the main shaft,and including oppositely arranged sup rts, an lauxiliary.

windingshaft InountoA revolve on the supports, means for detachably 'connecting said auxiliary windinshaft with the main winding shaft, a sproc et mounted to rotate with the auxiliarylwinding shaft, a drum Jhaft, mounted to-revolve on said supports and'arranged in parallel relation to thev auxfiliary winding shaft a separate sprocket of larger' circumference'than said Vauxiliary shaft sprocket and 4loosely mounted on -the shaft, means for rotating said last-mentioned sprocket with the drum shaft 1n one direction, an endless belt movably connecting said sprockets, means -for adjusting the position of the auxiliary winding, shaft-.with relation to the main winding' vshaft and also with relation to the drum shaft, a drum mounted -to rotatevwith the drum shaft,` a flexible ull member secured at one end to the perlphery of the drum and arranged to be wound thereon and having a free end, and means for rotating the sprocket on the drum shaft with the drum shaft when the from thedrum.

4. In a sound reproducing machine, the combination with. driving mechanism, including a main winding shaft, for `rotating pull member is unwound the sound record, of means for revolving'the main winding shaft, and including oppo-4 4 sitely .arranged supports, an auxiliary'T winding shaft adjustably mounted on the supports, means for movablyl connecting sald auxiliary Winding shaft with the mainwind- `ing shaft for. rotating the same, a ,sprocketA mounted to rotate with the auxiliary 4winding shaft, a drum shaft mounted to rotate relation tov the auxiliary winding shaft,- a,

separate sprocket of larger circumference" '70 on said supports and arranged in parallel than the sprocket before mentioned and movably mounted on the drum shaft, means@v v including a pull member for rotating said last-mentioned sprocket with the drum shaft in one direction, an endless-,beltpcarried on said sprockets, and means for automatically rewinding the pullmember on the-drum after being `unwound.

In testimony whereof I hereuntoaifx my l signature in the presence of two witnesses.

wrL'LIAM H. WEAsER.-

Witnesses: l

JNO. J. WHrrrLEsEY, MICHAEL L. EIsNEn.

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