US831630A - Phonograph. - Google Patents

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US831630A
US831630A US21518003A US1903215180A US831630A US 831630 A US831630 A US 831630A US 21518003 A US21518003 A US 21518003A US 1903215180 A US1903215180 A US 1903215180A US 831630 A US831630 A US 831630A
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shaft
return
feed
reproducer
movement
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William W Rosenfield
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/10Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34Driving or guiding during transducing operation
    • G11B3/36Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw

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  • This invention relates to automatic return mechanisms for phonogra hs.
  • Fi re 1 is a plan view df a phonograph provided 'vlli th automatic return mechanism embodyin my invention.
  • Fig. 2 is an elevation of t e return mechanism with the auxiliary or return feed-sh art broken away, 'so as to moreelearly show other parts.
  • Fig. 3 is'a section taken on the line a: a: of Fig. 1 looking toward the left, and
  • Fig. 4 is a section taken on thel'nie y y of Fig. 1 looking toward the left, arts bein omitted from Fig. 3 forclearn/cssw ch are a own in Fig. 4.
  • 0 represents the usual bed of a honograph or sinnlrarmachine; b, the threade feed-shaft b ,the mandrel, which is shown as carried by bearings for the feed-shaft 2 the driving-pulley for the back frame a carries a usual construction, to the which is secured the recarrier e, and 5 is a rest for and mandrel, and feedshaft.
  • the sleeve d also carries a feed-arm (1', provided with a threaded block of usual construction to mesh with the thread of the feed-shaft b, so that in the usual manner movement is communicated from the shaft b through the feed-arm d to the sleeve 11 and to the reproducer-arm e, causing the same to move longitudinally of the record on the mandrel b.
  • the parts above described are or may bc-of usual construction.
  • a is a swinging arm of usual form.
  • An auxiliary shaft-f which serves as a rcturn fecd -shaft, is provided with a spiral groove or scrcw-thread 7 and has a portion construction embodying the varif of its surface between the convolntions of the spiral groove at or near its right-hand end provided with teeth 8 and is mounted in earingsf'ff on an auxiliary bed or late adapted to rest upon and be secure to t o bed a.
  • the right-hand end of the shaft f is reduced to pass into the bearin left-hand end of the shaft is of ulhsize and passes through the bearingjfiand upon the end of the shaft adjacent to this latter hearing is a ear 4, meshing with a gear 3 on the feed-she t b.
  • a screwstud ,19 which carries'a disk 20, which overlaifis' the gear 4 to prevent longitudinal move- ,ment of the auxiliary shaft.
  • An eccentric cam g, 'havinq mounted on thcanxiliary shaft, so as to be adjustable longitudinally thereof, beingsecured in position by means of a set-screw, as shown in Fig. 2.
  • Fig. 4 shows the eccentric shape of the cam, and Figs. 1 and 2show the spiral form thereof.
  • a bracket his secured to the sleeve (1, as by means of an arm h, split and clamped to the sleeve by means of a screw, as shown in Fig. 3.
  • the bracket It carries a bar 9, having a flat facc, said bar extending through an opening in the bracket and parallel with the auxiliary shaft f, bcingadjustable lengthwise and sccnrcd in any dcsircd position of its lcngthwiscadjustmcntbymcnnsol'nscrcw15.
  • An eccentric segment i is rotntubly mounted on the right-hand cud of the bar 9, its rota movement being limited, as by marine of the pin 14, which engages the cut-away end of the hub of the segment, and the segment is normally held in the position shown in the drawings by means of a helical spring 11, one end of which -is secured to the segment and the other end to a collar or hub in, fast on the'bar 9.
  • the greater portion of the K!- riphery of the eccentric segment is provii cd with teeth 12, and the portion of the periphery beyond the teeth at the end of greatest rarius forms a tail-rib 13.
  • a cum-plate i Extending from the face of the eccentric segment is a cum-plate i, the outer edge of which is at an inclination to the axis of the bar 9.
  • This cam-plate is adapted to engage an abutment formed, as shown, by a post 6, having a horizontal portion which passes through a part of the hearing f and is adjustably secured by means of a set-screw to rovide for ad 'ustmeat of the post longitudipally of the irection of movement of the segment i.
  • the forward end of the arm 1c is provided with a downwardly-projecting stud k for engaging the eccentric'spiral cam g.
  • the segment is then further turned or rotated by the rotation of the auxiliary shaft and its toothed periphery caused to pro ressively engage the toothed surface of the shaft until the tail-rib 13 is brought into position to enter the groove 7 of the auxiliary shaft.
  • This turning movement of the eccentric segment because of the eccentric or cam form of the segment raises the bracket h, and thereby rocks the sleeve d and elevates the reproducerarm 0 to move the point of the reproducer off the record and elevates the feed-arm d to disengage its threaded block from the shaft 6, thereby interrupting the forward or reproducing movement of said parts.
  • the tail-rib 13 being then brought into position to enter the groove of the auxilia shaft and the rotation of the auxiliary s aft continuing, a reverse movement is imparted to the bracket h, sleeve d, reproducer-arm, and feed-arm, said parts then moving toward the left in Fig. 1, and this movement is secured without necessitating anysto page or change in direction of rotation of the eed-shaft b.
  • the rotation of the auxiliaryshaft f is in a direction opposite to the direction in which the spring 11 tends to move the eccentric segment t to return it to the position shown in Fig. 3.
  • stud k of the arm is ('u'
  • the stud moves over the surfabk of the cam, and as the cam continues its rotary movement it will by engagement with the stud is cause a further elevation of the bracket h, whereby the eccentric segment will be raised to clear the auxiliary shaft.
  • the invention provides an exceedingly simple mechanism positive in its action and efiicient and having no parts liable to get out of order.
  • a phono aph the combination with a threaded fee -shaft, the reproducer-arm and parts connecting the same to the feedshaft, of a threaded return feed-shaft, a revoluble lifting device whose axis is substan tially parallel with the axis of the return-feed shaft so that the device turns at substantially right angles to the line of the return feedshaft, said revoluble device being adapted to be turned by engagement of successive p ripheral portions thereof with the surface of the return feed-shaft for lifting the reproducer-arm.
  • a threaded feed-shaft and means operated thereby for re roducin a phonograph or I other record 0 a threat ed return feed-shat t parallel with the feed-shaft and havin peripheral teeth at one end, a part associated ing mrts adapted tl engage the teeth am turn feed-shaft to ra the reeord and rotu by the rotation of ti .initial position, and disengagement of soil feed-shaft and ment of successive portions of its cam-per1ph-- e, an abutment, a
  • a threaded feed-shaft parallel with the feed-shaft and having peripheral teeth at one end
  • a bracket-arm associated with the reproducer portions phonograph
  • an eccentric segment revolubly mounted on said bracket-arm and normally free from the returnfeed-shaft and having teeth on a portion of'its periphery. and a tailrib on the same beyond the teeth, a.
  • a revoluble member for impartreproducerto raise the refeed-shaft, a revoluble member, one of whichlast-mcntioned parts is mounted to have a reciprocating movement longitudinally of the return feed-shaft to correspond with the reproducing and return movements of the reprodueer-carrier, m cans whereby the turning of said revoluble member will cause the rais- IO in; of the reprodncer from the record, and

Description

PATENTED SEPT. 25, 1906 W. W. ROSBNFIELD.
PHONOGRAPH.
APPLICATION rum) JULY 23. mos. RENEWED JULY 2.1004.
- the feed-shaft; b,
' the free end of the reproducer-arm for sup- UNITED STATE s PATENT OFFICE.
Specification of Letters Patent.
Patented Sept. 25, 1906.
- Application filed July 23,1908. Renewed July 2,1 904. Serial No. 215.180.
To all whom it may concern:
Be it known that I, WILLIAM W. Rosan- FIELD a citizen of the United States, residing I in the borough of Manhattan, in the city, count and State of New York, have invented an mprovement in Phonographs, of which the following is a specification.
This invention relates to automatic return mechanisms for phonogra hs.
A full understanding of the invention'can best be ivenby a detailed description of a preferred ousfeatures thereof, and such description will now be given in connection with the accompanying drawings, showing such a pre; ferred construction.
In said drawings, Fi re 1 is a plan view df a phonograph provided 'vlli th automatic return mechanism embodyin my invention. Fig. 2is an elevation of t e return mechanism with the auxiliary or return feed-sh art broken away, 'so as to moreelearly show other parts. Fig. 3 is'a section taken on the line a: a: of Fig. 1 looking toward the left, and Fig. 4 is a section taken on thel'nie y y of Fig. 1 looking toward the left, arts bein omitted from Fig. 3 forclearn/cssw ch are a own in Fig. 4.
0 represents the usual bed of a honograph or sinnlrarmachine; b, the threade feed-shaft b ,the mandrel, which is shown as carried by bearings for the feed-shaft 2 the driving-pulley for the back frame a carries a usual construction, to the which is secured the recarrier e, and 5 is a rest for and mandrel, and feedshaft. The
slidin sleeve 11 of right-hand end of producer arm or porting the same as it makes its re roducing movement. In the drawings I ave not shown the reproducer 'roper, but only the annular carrier adapt to receivethe same. The sleeve d also carries a feed-arm (1', provided with a threaded block of usual construction to mesh with the thread of the feed-shaft b, so that in the usual manner movement is communicated from the shaft b through the feed-arm d to the sleeve 11 and to the reproducer-arm e, causing the same to move longitudinally of the record on the mandrel b. The parts above described are or may bc-of usual construction. a is a swinging arm of usual form.
An auxiliary shaft-f, which serves as a rcturn fecd -shaft, is provided with a spiral groove or scrcw-thread 7 and has a portion construction embodying the varif of its surface between the convolntions of the spiral groove at or near its right-hand end provided with teeth 8 and is mounted in earingsf'ff on an auxiliary bed or late adapted to rest upon and be secure to t o bed a. The right-hand end of the shaft f is reduced to pass into the bearin left-hand end of the shaft is of ulhsize and passes through the bearingjfiand upon the end of the shaft adjacent to this latter hearing is a ear 4, meshing with a gear 3 on the feed-she t b. To prevent the auxiliary shaft from moving out of its bearin the lefthand bearing f is provided wit a screwstud ,19, which carries'a disk 20, which overlaifis' the gear 4 to prevent longitudinal move- ,ment of the auxiliary shaft. An eccentric cam g, 'havinq mounted on thcanxiliary shaft, so as to be adjustable longitudinally thereof, beingsecured in position by means of a set-screw, as shown in Fig. 2. Fig. 4 shows the eccentric shape of the cam, and Figs. 1 and 2show the spiral form thereof.
A bracket his secured to the sleeve (1, as by means of an arm h, split and clamped to the sleeve by means of a screw, as shown in Fig. 3. The bracket It carries a bar 9, having a flat facc, said bar extending through an opening in the bracket and parallel with the auxiliary shaft f, bcingadjustable lengthwise and sccnrcd in any dcsircd position of its lcngthwiscadjustmcntbymcnnsol'nscrcw15. An eccentric segment i is rotntubly mounted on the right-hand cud of the bar 9, its rota movement being limited, as by marine of the pin 14, which engages the cut-away end of the hub of the segment, and the segment is normally held in the position shown in the drawings by means of a helical spring 11, one end of which -is secured to the segment and the other end to a collar or hub in, fast on the'bar 9. The greater portion of the K!- riphery of the eccentric segment is provii cd with teeth 12, and the portion of the periphery beyond the teeth at the end of greatest rarius forms a tail-rib 13. Extending from the face of the eccentric segment is a cum-plate i, the outer edge of which is at an inclination to the axis of the bar 9. This cam-plate is adapted to engage an abutment formed, as shown, by a post 6, having a horizontal portion which passes through a part of the hearing f and is adjustably secured by means of a set-screw to rovide for ad 'ustmeat of the post longitudipally of the irection of movement of the segment i. The
f, mania a spiral rib or shoulder, is
mally in position with a rearward extension thereof against a stop-pin 18. The forward end of the arm 1c is provided with a downwardly-projecting stud k for engaging the eccentric'spiral cam g.
The operation is as follows: The bracket 71, carrying the eccentric segment 'i and arm It, moves with the sleeve (1 and reproducer-arm e'as the reproducer makes its reproducing movement, the eccentric segment being at this time held by the spring 11 in its normal position, as shown in the drawings. As the reproducer draws near the end of the record the cam-plate 11' comes into engagement with the post (5, so that as the movement continues the eccentric segment '5 is turned to bring its teeth 12 into engagement with the teeth 8 of theauxiliary or return feed-shaft. The segment is then further turned or rotated by the rotation of the auxiliary shaft and its toothed periphery caused to pro ressively engage the toothed surface of the shaft until the tail-rib 13 is brought into position to enter the groove 7 of the auxiliary shaft. This turning movement of the eccentric segment because of the eccentric or cam form of the segment raises the bracket h, and thereby rocks the sleeve d and elevates the reproducerarm 0 to move the point of the reproducer off the record and elevates the feed-arm d to disengage its threaded block from the shaft 6, thereby interrupting the forward or reproducing movement of said parts. The tail-rib 13 being then brought into position to enter the groove of the auxilia shaft and the rotation of the auxiliary s aft continuing, a reverse movement is imparted to the bracket h, sleeve d, reproducer-arm, and feed-arm, said parts then moving toward the left in Fig. 1, and this movement is secured without necessitating anysto page or change in direction of rotation of the eed-shaft b. The rotation of the auxiliaryshaft f is in a direction opposite to the direction in which the spring 11 tends to move the eccentric segment t to return it to the position shown in Fig. 3. Consequently the rotation of the auxilia shaft ,while causing the return movemento the parts, tends to keep the eccentric segment in position with its tail 'rib 13 in the groove of the shaft, the weight of the reproducer-arm and feed-arm being at this time supported by the eccentrio segment and tend mg to increase thehf'fictiou hm ween the tail-'rib l3 and the auxiliary shalt As the parts approach the extreme left-hand end of their return movement, the
stud k of the arm is ('u'|11( into engagement with the eccentric spiral cam g, and if a high part of the cam is uppermost the arm 1: yields until a low point of the cam gthat is, a point near the surface of the auxiliary shaftcomes opposite the stud 7c. When such low point of the cam is opposite .the stud 7c, the stud moves over the surfabk of the cam, and as the cam continues its rotary movement it will by engagement with the stud is cause a further elevation of the bracket h, whereby the eccentric segment will be raised to clear the auxiliary shaft. When the eccentric segment is thus raised out of engagement with the auxiliary shaft, it will be returned by the action of the s rin 11 to its normal position, (shown in the frawings) and then by the continued rotation of the cam g the bracket It will again be lowered, and at the same time stud k, coming into engagement with the spiral shoulder or rib of the cam, will be run off the cam and the parts will return to osition, with the threaded block of the fee -a.rm dt in en agement with the feed-shaft b and with t e reproduceragain in reproducing position, and the parts Wlll be in position or another reproducing movement. The coaction of the cam-plate k i and post 6 and of the,teeth.-12 of the eccentric segment with the teeth8 of the auxiliary shaft effect a gradual operation upon and raising of the reproducer-arm e and the palfts connected therewith, gradual] bringing the tail-rib 13 into the groove Tier the return movement, and the coaction-of the arm k and its stud is under the control of the spring 11 with the eccentric spiral cum 9 efiects a stopping of this return movement anda adual lowering of the reproducer-arm and sadarm into position for another reproducing movement. The adjustment. ovided for the eccentric spiral cam longitudinally of the auxiliary shaft f and t e ad ustment pro vided for t segment i, and for the bar 6 in the bearing is to adapt the mechanism for records of varying lengths, so that the reproducing devices may operate only over the length 0 the actualrecord, and so that there maybe no time wasted or unnecessary distance traveled by the parts.
The invention provides an exceedingly simple mechanism positive in its action and efiicient and having no parts liable to get out of order.
It will be und rstoocl that theinvention is not to be limitvd to the exact constructions and arrangements of arts shown, and to which the foregoing escription has been mainly confined, but that it includes changes and modifications'thereof within the claims. For example, I do not herein limit in self to the employment of the spring-control edarm A: or the )articular parts associated therewith, as t m stud 16 may lie-tightened and said arm be thus caused tooccupyafixed e bar 9, carrying the eccentric reproducing machines to which t 2. In aphono position and the eccentric cam g be' placed 1n accordance with such a change of the arm. Furthermore, some equivalent structure may be used in lieu thereof without departing from my invention.' It will be understoo also that the, term phonogra h is used herein as a broad term to inclu c all soundhe invention is or may be found applicable.
I claim as my invention 1. In a phono aph, the combination with a threaded fee -shaft, the reproducer-arm and parts connecting the same to the feedshaft, of a threaded return feed-shaft, a revoluble lifting device whose axis is substan tially parallel with the axis of the return-feed shaft so that the device turns at substantially right angles to the line of the return feedshaft, said revoluble device being adapted to be turned by engagement of successive p ripheral portions thereof with the surface of the return feed-shaft for lifting the reproducer-arm.
aph, the combination with a threaded fecr -shaft, the reproducer-arm and parts connecting the same to the feedshaft, of a threaded return feed-shaft, a revluble eccentric lifting device whose axis is substantially arallel with the axis of the return-feed sha t so that the device turns at substantially ri ht anglesto the line of the return feed-sha t, said revoluble device Being adapted to be turned by engagement of successive portions of its eccentric peripheral surface with thesurface of the return feedshaft for liftin the reproducer-arm.
3*. The com ination with the reproduoercarrier of-a phonograph, of a threaded return feed-shaft, a revoluble liftin device mounted to move with the repro ucer-carrier and whose axis is substantially arallel with the axis of the return feed-she t so that the device turns at substantial] right angles to the line of the return feed-s iaft, said revolublo device being adapted to be turned by engage ment of successive peripheral port ions thereof with the surface of the return f evil-shat l t' or lifting the reproducer fr havin a part for engagin shaft or imparting reproduccr-earricr.
4. The eombinat-im carrier of a phonograph, of a threaded return feed shaft, gylevoluble eccentric lifting device mounted to move with the reprodueercarrier and whose axis is substantially parallel with the axis of the return feed-shaft so that the device turns at substnnt' right angles to the line of the return feet -shaft, said revoluble (i(\'l('( being adapted to be turned by engng of its eccentric surface of the re reprodurer from or engaging ement of successive portions peripheral surface with the turn feed-shaft for lifting the theregord and having a part the thread of said shaft for imwith the return feed eontnct with'sa dnbu 1 with-the reprodueer ,ese 3 parting a return movement to the rcproducercarrier. I
-5. In a honograph, the combination with the repro ucer-arm, the sleeve to which the same is connected, a threaded feed-shaft, the mandrel, and the feed-arm connected to the sleeve of the reproducer-arm and adapted for o crating the instrument in the usual manner, of a threaded return feed-shaft arallel with the feed-shaft, a revoluble memiier mounted to move with the reproducer-arin and having an eccentric -0r cam periphery, means for causing said member to engage the return feed-shaft at the end of the reproducing movement of the reproducer-arm, said member being adapted to be turned by engager ery with the return feed-shaft to raise the reproducer-arm and the feed-arm and having a part ada ted to engage the thread of the return feet -shaft to impart a return movement to the rep'roducer-arm and the feedarm, and means for again reconnecting the parts to repeat the original movements of the instrument.
f3. 1' The combinationiwitll the reproducercarrier of t phonogranm, jf a return feedshatit provided with a'spiral groove and with teeth on the surface aL-oncfiul between the convolutious ti'f the groove; an abutment, a devicefnovable with the reproducer-carrier and adapted to be moved into engagement with the return'feed-shaft by coming in contact with said abutment, said device having parts adapted thereafter to successively engage the tccth and the groove. of said return feed-shaft to raise the reproducer from the record cnd return the reprodricer-carrier by the rotation of the return feed-shaft to its initial )osi tion. i
7. The combination w carrier of a phonograph, of a return feedshaft provided with a spiral groove and with teeth on the surface at one end between the eonvolutions of the groov device movable .uitlr the and adapted to be moved ith the reproducerre p r( )(i ricer-carrier into engagement -shaft by coming into t'ment, said device havu'renfter to successively l the groove of said reise the reproduccr from rn the reprmlueer-carrier no return feed-shaft to its means for effecting the l device from the return the return of the operative parts of the phonograph to position for the I next reprmlneing movement.
h. In a phonograph, the combinationwith a threaded feed-shaft and means operated thereby for re roducin a phonograph or I other record, 0 a threat ed return feed-shat t parallel with the feed-shaft and havin peripheral teeth at one end, a part associated ing mrts adapted tl engage the teeth am turn feed-shaft to ra the reeord and rotu by the rotation of ti .initial position, and disengagement of soil feed-shaft and ment of successive portions of its cam-per1ph-- e, an abutment, a
with the reproducer portions of the phono graph, a spring-controlled eccentric se ment revolubly mounted on said art an normally free from the return eed-shaft and having teeth on its periphery and a tail-rib on one end thereof, a cam-plate carried by said segment, an abutment adapted to enage said cam-plate to turwsaid segment and ring its toothed portions into engagement with the return feed-shaft, such engagement of the return feed-shaft with said segment causing a turning of said segment to cause successive portions of its eccentric eripher to successively engage the return eed-sha t to gradually raise the re roducing devices of the instrument and to bring the tail-rib of the segment into en a ement with the thread of the return feed-sit for returning the reproducing devices to their initial position.
9. In a phonograph, the combination with a threaded feed-shaft and means operated thereby for reproducing the phonograph or other record, a threaded return feed-shaft parallel with the feed-shaft and having peripheral teeth at one end, a bracket-arm associated with the reproducer portions phonograph, an eccentric segment revolubly mounted on said bracket-arm and normally free from the returnfeed-shaft and having teeth on a portion of'its periphery. and a tailrib on the same beyond the teeth, a. returns ring acting on the segment, a cam-plate on the segment, means for limiting the s 'ng movement of said eccentric se ent, an a utment adapted to engage sai cam-plate to turn said segment and bring its toot ed .por-
,tion into engagement with the return feedshaft, such engagement of the return feedshaft with said segment causing a turning of said segment to cause successive portions of its eccentric periphery to successively eng e the return feed-shaft to gradually raise :fie
. re reducing device of the instrument and to bring the tail-rib of the se out into e agement with the groove o the return eedshaft for returning the reproducing'devices to their initial position. 4 a
10. The combination with the reproducercarrier of a phonograph,-of a return feedshaft, an abutment at one end of the return feed-shaft, an eccentric segment mounted to move with the" reproducer-carrier, adevice connected to the eccentric segment and adapted to come into contact with' said abutment for moving said eccentric segment and causing a coactio'n of the same withthe 'return feed-shaft for raising the reproducer from the record and returning the reproducercarrier to its initial position.
11. The combination with the reproducercarrier of a phonograph, of a return feedshaft, an adjustable abutment, a spring controlled and returnable eccentric segment revolnbly mounted to move with the reprodm-er-ralfrier, said segment being adapted to Of the coact with the return feed-shaft to raise the reproducer from the record and return the regroducer-carrier to an initial position, and a evice connected to said eccentric segment and adapted to come in contact with said abutment for moving theeccentric segment into engagement with the return feed-shaft, substantially as set forth.
12. The combination with the re reducercarrier of a phonograph, of a threa ed return feed-shaft, an abutment, a spring-controlled and returnable eccentric segment revolubly mounted to move with the reproducer-carrier and having'a tail-rib formed at one end thereof, a cam-plate carried by the eccentric segment and adapted to engage said abutmentat the extreme of the-movement of the reproducer-carrier in one direction for turning the eccentric segment into enga ement with the return feed-shaft, whereby the segment is then turned to raise the reproducer from the record and to cause the tail-rib thereof to engage with the return feed-shaft for returning the parts to their initial position.
13. The combination with the re roducercarrier of a phonograph, of a threa ed return feed-shaft having teeth on its surface at one end, and a revoluble lifting device mounted to turn at substantiall right angles to the line of the return feed-shaft andhaving teeth on' a portion of its periphery adapted to-engage with the teeth on the return feed-shaft whereby saiddevice is turned for lifting the reproducer from the record.
14. The combination'with the reproducercarrier of a phonograph, of a threaded return feed-shaft having teeth on its surface at one end, a revoluble eccentric segment mounted to turn at substantial] right angles to the line of the return feed-s aft and having teeth on its periphery adapted to inesh with-the teeth of the return feed-shaft and having a thread-engaging part at the end of the segment of greatest radius ada ted toengage the th'ead) of the 1il eturn eed-shaft, and tmeans or rin t e. se cut into en a e.
nient with the ia ti irn feefiiaft whereb 51c from the record and td'lirin'g said thread-engaging part of the segment into engagement with the thread of the return feed-shaft for imparting return movement to the reproducer-carrier. 15. The combination'withthc reproducercarrier of a phonograph, of a threaded return feed shaft, a part mounted to have reci' rocating movements longitudinally of an toward and from the return feed-shaf t to correspond with the reproducing and return move ments of the reprod oer-carrier and the movements of reproducer toward and from the record-carrier, a member revolubly mounted on said part and having an eccentric or cam periphery, means for holding said member 111 segmentis-then turned to lift thgrepro nerr' I do , and then a movement position with a low portion of its cam periphery toward the return feed-shaft during the reproducin movement of the reproducercarrier, an means for causin sai member to engage the return fried-sha t at the end of the reproducing'movement of the reproduce!- carrier, such engagement of the return feedshaft with said member causing first a turning of said member to cause successive portions of its cam eri he to successively enage the return 'ee -sha t to raise the reproucer from the record and of said member and said part longitudinally of the return feed-shaft to impart a return movement to the re reducer-carrier.
16. The combination with the reprodircercarrier of a phonograph, of a threaded return feed-shaft, a part mounted to have reci rocating movements longitudinally of an to- "ward and from the return feed-shaft to correspond with the reproducing and return movements of the reproducer ca'rrier and the movements of the reproducer toward and from the record-carrier, a member revolubly mounted on said part and having an eccentric or cam periphery and adapted to be turned by engagement with the return feedshaft at the end of the reproducing movement of the reproducer-carrier such engagment of the return feed-shaft with said member causing first a turning of said member to cause successive ortions of its cam periphery to successiveyen age the return feedshaft to raise the repro ucer from the record of said member and said part longitudinally of the return feedshaft to impart a return movement to the rethe return feed-shaft at the d producer-carrier.
17. The combination with the reproduce!- carrier of a phono ra h, of a threaded return feedhaft, a revolub e member mounted to move with the reproducer-carrier and having an eccentric or cam periphery, and means for causing said member to enga e the return feed-shaft at the end of the repro ucing move ment of the reproducer-carner, such engagement of the return feed shaft with said member causing first a turning of said member to cause successive portions of its cam periphcry to successive y engage the return feedshaft to raise the reproducer from the record and then a movement'of said member longitudinally of the return feed-shaft to impart a return movement to the reproducer-carrier.
18. The combination with the reproducercarrier of a phonograph, of a threaded return feed-shaft having teeth on itsmmface at one end, a revoluble member mounted to move with the reproducer-carrier and having an eccentric or cam periphery and having teeth on a portion of its periphery and a thread-engaging part beyond the toothed portion, said member being adapted to enga e the teeth of an of the reproucing movement of the reproducer-carrier,
then a movement whereby said member is then turned to raise the re reducer from the record and to bring its .threa -en a ing part into enga ementwith the thread o? F the return feed-sha mg return movement to the carrier.
19. The combination with the IBPI'OdllCGX'-n carrier of aphono ra h, of a threaded return feed-shaft, a revo ub e member mounted to have a reciprocating movement longitudinally of the return feed-shaft to correspond with the reproducing and return movements of the re reducer-carrier, means wherebya turning 0 said member will cause the raising of the reproducer from the record, said member being adapted to be turned at the end of the reproducing movement of the reproducercarrier by the progressive engagement of the return feed shaft with successive peripheral portions ofsaid member to raise the reproducer from the record and .then to be moved longitudinally by the return feed-shaft to impart a return movement to the reproducercarrier.
20. The combination with the re roducercarrier of a phonograph, of a threaded return feed-shaft having peripheral teeth at one end, and a device movable with the reproducercarrier and adapted to engage the return feedshaft at the end of the reproducin movement of the re reducer-carrier, sai device having partsa apted thereafter to progressively on age the teeth and the thread of the return eed-sh aft to raise the reproducer from the record and return the reproducercarrier by the rotatioil of said shaft to its initial position.
21. The combination with the re reducercarrier of a phonograph, of a revolu le member having an eccentric or cam periphery and mounted to have a reciprocating movement corresponding to the movement of the reproducer toward and from the record, actuating means for engaging the cam periphery of said member at the end of the reproducing movement of the reproducer-carrier to turn said member and cause successive portions of its cam periphery to successively engage said actuating means to raise the reproduce! from the record.
22. The combinationwith the re reducercarrier of a phonogra h, of a three. ed return feed-shaft, a revolub e member having an eccentric or cam periphery, one of whichlastmentioned parts is mounted to move with the reproducer-carrier, and means for causing said parts to e age with each other at the end of the repro ucing movement of the reproducer camerwhereby the revoluble member is first turned to cause successive portions of its cam eriphery to successively engage the return cod-shaft producer from the record and then a return movement is'imparted to the reproducer-carner.
t for impartreproducerto raise the refeed-shaft, a revoluble member, one of whichlast-mcntioned parts is mounted to have a reciprocating movement longitudinally of the return feed-shaft to correspond with the reproducing and return movements of the reprodueer-carrier, m cans whereby the turning of said revoluble member will cause the rais- IO in; of the reprodncer from the record, and
means for causing said parts to engage with each other at the end of the reproducing movement of the reprodueer-earrier, whereby the revolnble i'uember is first turned by the progressive engagement of the shaft with successive peripheral portions of said member to raise the reproducer from the record and then a return movement is imparted to the reprodricer-carrier.
24. 'l'he combination with the re roducercarrier of a phonograph, of a revolu le member mounted to have a reciprocating move ment corresponding to the reproducing and return movements of the rcproducer-carrier, means whereby the turning of said member will cause the raisin; of the reproducer from the record, and an actuating member for turning said revoluble member at the end of the tiprod ueing movement of the reproducerearner by progressive engagement with successive portions of the rcvoluble member to raise the reproi'lueer from the record. 35. The combination with the re roducercarrier of a phonograph, of a rcvolu )le member mounted to move with the reproducercarrier, and an actuating member for turning the rcvoluble member at the end of the reproducing movement of the reproducer-carrier by progressive engagement with successivc peripheral portions of the revoluble member, one of said members having an cecentric or cam form whereby the progressive engagement of successive portions of said members with each other will cause the revolublc member to be moved bodily to raise the reproducer from the record.
26. The combination with the reprodueercarrier of a phonogra h, of a lifting member mounted to move with the reproducer-carrier and to reciprocate independently of its movement with the carrier, and an actuating memberhavmg an engaging face successive portions of which successively engage successive portions of the engaging face of the lifting member toreciprocate the lifting member at the end of the reproducin movement of the reproducer-carrier, one of said menibers being arevoluble member and the engaging face of one of said members being of cam form, whereby the reciprocation of the lifting member by the actuating member will cause the lifting member to be moved bodily in a direction transverse to such reciprocating movement thereby raising the reproducer from the record.
27. The combination with the re roducercarrier of a phonograph, of a threa ed return feed-shaft having gear-teeth at or near one end thereof, and a device mounted to move with the re roducer-carrier and movable at substantial y right angles to the line of the return feed-shaft and having a thread-engaging part for engaging the thread of the return feed-shaft to impart a return movement to the reprmlucer-carrier and to support the reprodueer during its return movement and aving a part to coact with the gear-teeth of the return feed-shaft for moving said device in a direction at substantiall right angles to the line of the return feed-s. aft to raise the rcproducer from the record and to bring the thread-engaging part of said device into engagement with the thread of the return feedshaft.
28. The combination with the reproducercarrier of a phonograph, of a threaded return feed-shaft having gear-tecth'at or near one end thereof, and a device for cooperating with the return feed-shaft for returning the reproducer-carrier to normal position, said device having a part for coacting with the gear-teeth of the return feed-shaft for raising the reproducer from the record.
Singed by me this 20th da of Jul 1903.
WILLIAM W. RdsENFiiaLD.
Witnesses:
Gno. T. PrNoKNnY, S. T. ITAVILAND.
US21518003A 1903-07-23 1903-07-23 Phonograph. Expired - Lifetime US831630A (en)

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