US1020151A - Phonograph. - Google Patents

Phonograph. Download PDF

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Publication number
US1020151A
US1020151A US49804009A US1909498040A US1020151A US 1020151 A US1020151 A US 1020151A US 49804009 A US49804009 A US 49804009A US 1909498040 A US1909498040 A US 1909498040A US 1020151 A US1020151 A US 1020151A
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carriage
record
mandrel
slideway
styluses
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US49804009A
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Harry B Mcnulty
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UNITED STATES PHONOGRAPH Co
US PHONOGRAPH Co
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US PHONOGRAPH Co
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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
    • G11B3/44Styli, e.g. sapphire, diamond
    • G11B3/46Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Definitions

  • Such adaptation involves a change in the rate of the movement of .the sound-box along the record to correspond with such thread-fineness, and a corresponding shifting of the stylus, since a stylus suitable for playing or cutting one thread, as for example, the finer thread, will not work satisfactorily in the case of the coarser thread, and vice versa.
  • the present invention is designed to. supply simple and conveniently.
  • Figure 1 is a front elevation of a phonograph embodying my several improvements
  • Fig. 2 is a transverse sectional view thereof with parts a iearin in elevation
  • Fi 3 is a similar transverse sectional view of a part only of the device, the sound-box and adjacent parts alone appearing and being shown in a different operative position from that of Fig.
  • Fig. 4. is a view similar to Fig. 3, but showing the parts in question in yet another operative position:
  • Fig. 5 is a plan view of the sound-box carriage with parts broken away to show certain operating details: Fig.
  • FIG. 6 is a transverse sectional-view of a phonograph corresponding to that of Fig. 2, but
  • FIGS. 7 and 8 are similar sectional views, showing the sound-box and adjacent parts only, such latter appearing in different operative positions from that of Fig. 6
  • driving pulley a by means of which connection between such motor, whatever its character, and the phonograph, may be had. It'- will be understood that the motor is suitably governed to drive such main shaft at a predetermined. rate of speed. Parallel with shaft A and mandrel A are ways 0, upon which is slid-ably mounted the carriage ll that furnishes support for the-sound-box C.
  • reprodi'icer which in illustrated form is designed for sound-reproduction purposes and so will hereinafter be referred to simply as a reprodi'icer. It will be' understood requires to be fed along therecord mounted upon the mandrel when the machine is in use.
  • the feeding mechanism for the carriage comprises two feed screws E, E respectively having a thread corresponding with two desired rates of feed, when taken in conjunction with the gearing connect-ion (not shown) that is provided for driving said screwsfrom the main or mandrel shaft A of the phonograph.
  • such thread is designed tobe the same on both screws, and the entire variation inrate is secured by rotating the one screw twice as rapidly as the other by suitably proportioning the connecting gears, just referred to, with this result in view.
  • Reciprocably mounted in the carriage B are two plungers B B, the lower ends of.which are in the form' ofsectional nuts adapted to cooperate with such feed screws. respectively, springs b b being provided in connection with such plunger-s to normally retain the same in en Suchsound-boit, orreproducer.
  • gagemen't with the, corresponding feed screws Rotatably mounted upon the upper face of the carriage, is-a-disk B provided with an operating. handle b and bearing on its upper face a cam If adapted to engage the upper ends I) b of the plungers B B respectively, and so disposed as to withdraw the same from engagement with the screws E E in the intermediate position of the handle as illustrated in Fig. 2. However, first the one and then the other of said plungers is allowed to be lowered by its spring into such engagement, upon turning the aforesaid handle to the right or left of such intermediate position, as will, be obvious.
  • That portion of the carriage designed for reproducer is .in the prevailing construction, comprises an the reception of the reproducer, instead of consisting of an annular holder in which the designed to be snugly held, as
  • elongated way D said way being disposed transversely of the mandrel upon which the record is mounted.
  • the details of the construction of this way need not be further noted, than to remark that it comprises in effect two lateral guides (Z adapted to be covered, in the assembled machine, by a plate d: in-which an elongated slot fl is provided through which the upper tubular partof the reproducer extends.
  • the flangedpart or base 0 of the reproducer is modified in form to fit the guides d, and in addition isprovided with forwa-rdly projecting arms 0 c that lie on either side of the axis of the cam disk B.
  • a broken gear B Suitably held in the carriage frame, and secured to said cam disk, so as tobe in effect a part of the same, is a broken gear B the teeth of which mesh with a series of rackteeth 0 on the reproducer arm 0'. Rotation of said cam platewill accordingly be effective, when said gear and rack are in engagement, to shift the reproducer transversely of. the mandrel A and of a record mounted thereon.
  • the second reproducer arm 0 merely bears against the smooth side of the gear '13, so as to steady this movement and prevent the reproducer from binding in the guide ways that slidably support the same.
  • a raised edge I)" constituting a cam which engages with the rear end of a lever b ,'so as to rock the same, as said gear member B is rotated.
  • the conformation of such cam 12 is such as to oscillate the lever to immediately raise the floating weight 0* of the reproducer C u on actuation of the gear member from either of its extreme po- 'sitions, (in which connection is had with one or the other of the feed screws), and before any operative engagement takes place 2 between the gear and rack teeth.
  • the modification in construction illus trated in Figs. 6, 7 and 8 consists first'of all in the use-of two stylus levers 0 (2 extending in opposite radial directions from the center of the reproducer, but each connected with the floating weight a and otherwise figuring as the single stylus lever of the prevailing type of phonograph.
  • the styluses c 0 of said levers are respectively formed for use in connection with different types of .the two 'styluses c .0 borne by, the single lever c in the first-described construction.
  • a further change introduced in this construction is the substitution for the lever b operated by the raised cam edge I) of gear member B, ofa dog borne by the under side of the plate a forming the slidable base of the reproducer, which dog is brought into engagement with a roller b as said repro- I ducer is now advanced, now retracted. Since of this engagement,as will be evident from an inspection of the figures of reference. will be substantially the same as that of the lever previously described; namely, the floating weight of the'reproducer will'be raised immediately upon movement of the reproducer from either of its extreme positions, and such weight will be held in raised position I until the other normal operative position is 5 reached.
  • slideway andprovlded, w th a plurality of st vluses respectively adapted to operate upon a record in different posit-ions of said sound-box; ineans adapted to feedsaid' record-supportand slideway relatively to'each other'at different rates of speed; and controlling means, for said feed means adapted likewise to shift said sound-box in said slide-way to operathely posit on the desired. stylus.
  • a record snpport movably mounted and provided with a plurality of Styluses respectively adapted-to operate upon a record in different positions oi said sound-box; means adapted to variously teed said record support and sound-box relatively to each other; and controlling means for said feed means adapted likewise to raise said styluses from a record and shift said sound-box.
  • a sound-box mounted on said slideway and including a weight and a plurality of stylusesborne by said weight, said st-yluses being respectively adapted to operate upon a record in different positions of said sound-box; means adapted to feed said record-support and slideway relatively to, each other at different rates of speed; and controlling means for said feed means adapted likewise to raise saidaveight to render said stvlusesinoperative and to thereupon shift said sound-box in said slideway.
  • V 8 In a phonograph, the combination of a rotary record-carrying mandrel apda member relatively movable in a direction longitudinal of said mandrel, said member 1ncluding a slideway extending transversely of said mandrel; a sound-box mounted on said slideway and-including a weight and a plurality of styluses bopne by said weight,
  • said styluses being respectively adapted tov adapted to operate upon a record in (lit-- i'erent positions of said sound-box; means adapted to variously feed said sound-box; and controlling means for said feed, means likewise adapted to shift said sound-box.
  • a carriage including a slideway, a soundbox mounted on said slideway and provided with a. plurality of styluses respectively adapted to operate upon a record in diflcr-- ent positions of said sound-box; means adapted 'to feed said carriage at differentrates of speed; and controlling means for said feed means likewise adapted to' shift said sound-box in said slideway.
  • a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely ofsaid mandrel: a soundbox mounted on said slideway and provided with a plurality of. sty-luses respectively adapted to operate upon a record in different ositions of said sound-box: means to feed said carriage at diit'erent rates of speed; and controlling means for said feed means likewise adapted to shift said sound-box in said slideway.
  • a mandrel for the record and a carriage movable longitudinally oflsaid mandrel, said carriage including a slideway extending transversely. of said mandrel; a soundwith a plurality of box mounted on said slideway a'nd provided with a plurality of.
  • a mandrel for the record and a carriage movable longitudinally of such mandrel, said carriage including a slideway extending transversely of said mandrel; a soundbox mounted on said slideway and pro-- vided with a plurality of styluses respectively adapted to operate upon a record in different positions'of said sound-box; two feed serew's alinedwith the path of travel of said carriage and adapted to move the same at adifi'erent rates of speed, respectively; movable membersvin said carriage adapted to connect the same with either of said screws as desired; and actuating means for said connecting'members', said means being :llSL connected with said sound-box to shift the same in said'slideway', substantially as described.
  • said can't-plate being connected ⁇ vithsaid sound- 'entpositions of said sound-box: two feed screws alined with the path of travel of saidcarriage and adapted to move the same at different rates of speed, respectively;
  • cam-plate adapted in one position to retain both said plungers inoperative, but. to permit their operation, respectively, upon movement in one direction or the other from 'suclrposition, said cam-plate having rack-and-pinion engagementwith said sound-box, whereby rotation of said cam-plate also serves to position said reprodncer in said slideway.
  • a sound-box movably mounted and provided with a plurality of styluses respectively adapted to operate upon a record in different positions of saidsound-box; means adapted to variously feed said sound-box: and controlling means for said feed means likewise adapted to raise said styluses from the record and shiftsaid sound-box, substantially as described.
  • a carriage provided with a slideway,- a sound-box mounted on said slideway and including a weight and a plurality of styluses borne by said weight, said styluses being respectively adapted to operate upon a record in different positions of said sound-box; means adapted to feed said carriage at differcnt rates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said styluses inoperative and to thereupon shift said soundbox in said slideway.
  • a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage. being provided with a slideway extending transversely of said mandrel: a sound-box mounted on said slidcway and including a weight and a plurality oi styluses borne by said weight, said styluses being rcsm-ctively adapted to operate upon a record in diti'erentpositions of said soundbox; means adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to raise said wenght. to render said styluses inoperative and to thereupon shit't' said sound-box in said slideway.
  • a mandrel for the rccordand a carriage movable longitudinally of said mandrel, said carriage'being provided with a slideway extending transversely of said mandrel; a sound-box mounted on said slideway and including a weight and a plurality of styluses borne by said weight, said styluses being respectively adapted to' operate upon a record in different positions'of said sound-box; two feed screws alined with the path of travel of said carriage and adapted to move the same at different rates of speed, respectively; movable members in said carriage adapted to connect the Same with either of said screws as desired: a rotatable cam-plate adapted to control connection of said members with said screws; said cam-plate having rack-and-pinion engagement with said sound-box, whereby rotation of said cam-plate also serves to position said sound-box in said slide-way; and a lever mounted in said carriage and adapted to raise said weight, said cam-plate being connected to operate
  • a phonograph thecombination of a reproducer movably mounted and provided with a plurality of styluses respectively adapted to ope rate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads of ditl'erent fineness, respectively; means adapted to variously feed said reproducer; and controlling means for said feed means likewise adapted to shift said reproducer.
  • a carriage including a slide ⁇ 'ay. a reproducer mounted on said slideway and pro- .vided with a plurality of styluses respectively adapted to operate upon a record in ditl'erent positions of said reproducer. said styluses being furthermore formed tor playing upon threads of difi'crcnt fineness. re-
  • said styluses being furthermore formed for playing upon threads of ditl'ercnt fineness, respectively: means adapted to feed said carriage at dill'crcut rates of peed: and coir trolling means for said feed means likewise -a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely.
  • a reproducer mounted on said 'slideway and provided with a plurality of styluses respectively adapted to operate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads of difierent fineness, respectively; feed screws adapted to move sail carriage at differentrates of speed, respectively; and means for operatively connecting said carriage with either of said feed screws as desired, said means being likewise effective to shift said reproducer in said slideway.
  • said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and provided with a pluralityof styluses respectively adapted to operate upon a record in diti'erentpositions of said reproducer,said styluses being furthermore formed for playing upon threads of ditl'erent'. tineness, respectively; two feed screws alined with the path of travel of said carriage and adapted of such munch-01,
  • the combination of substantiallv as -said feed means likewise a mandrel for the record and a carriage movable longitudinally olf said mandrel, said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and .provided with a plurality of styluses respectively adapted to operate upon a record in ditferent positions of'said reproducer, said styluses being furthermore formed f0r playing upon threads of different fineness, respectively; two feed screws alined with the path of travel of said carriage and adapted to move the same at ditferent rates of speed, respectively; spring-pressed plungers in said carriage normally tending to connect the same with said screws; and a rotatable camplate adapted in one position to retain both said plungers inoperative, but to permit their operation, respectively, upon movement in one direction or the other from such position, said cam-plate being, connected with said reproducer to shiftthe same in said slideway
  • a phonograph the combination of movable longitudinally of said mandrel, aid carriage including-a slideway extending transversely of said mandrel; a reproducer'mounted on-said slideway an provided with a plurality of styluses respec tively adapted too'perate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing'upon threads of difi'erent fineness, respectively; two feed screws alined with the path of travel of said carriage and adapted to move the same at ditferent rates of-speed, respectively; spring-pressed plungers in said carriage normally tending to connect the same with said screws; and a rotatable camplate adapted in one position to retain both said plungers inoperative, but to permit their operation, respectively, upon movement in one direction or the other from such position.
  • said cam-plate having rack-andpinion engagement, with said reproducer, whereby rotatiou of said cam-plate also serves to position said, reproducer in said slide
  • a reproducer movably mounted and provided with a plurality of styluses respectively adapted to operate upon. a record in ditl'crent positions of said reproducer. said styluses being furthermore formed for playing upon threads of ditlerent fineness. respectively: means adapted to variously feet said reproducer: and controlling ⁇ means to] adapted to rais said styluses from the record and shift Stilt reproducer, substantially as described.
  • Styluses being respectively adapted to operate upon 5 a record in different positions of said reproducer, said Styluses being furthermore formed for playing upon threads of (litterent fineness, respectively; means adapted to feed said carriage at different ates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said Styluses inoperative and to there- ,upon shift said reprodueer in said slideway.
  • said carriage being provided with a slideway extending transversely of said mandrel; a reprodueer mounted on said slideway and including a floating weight and a plurality of styluses borne by said weight, said Styluses being respectively adapted to operate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads, of diiferentfineness, respectively-'2 means adapted to feed said carriage at different rates of 'speed; and controlling means for said feed means likewise adapted to raise-said weight to render said styluses inoperative and to thereupon shift said reproducer in said sl ideway.
  • a phonograpl1. tl-1e combination of a mandrel for the record and a carriage v movable longitudinally of said manwindsaid carriage being provided with a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and including a floating weight and a plurality of styluses borne by said weight, said styhises being respectively adapted to op erate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads of different fineness. respectively: two feed screws alincd with the path of travel of said carriage and adapted to move the same at ditl'crcnt rates of.
  • a rcproducer movably mounted and provided with a stylus lever; a plurality of Styluses borne by said lever and respectively adapted to operate upon a record in differ ent positions of said reproducer; means adapted to' variously feed said reproduoer; and controlling means for said feed means likewise adapted -to shift said reproducer.
  • a carriage including a slideway, a repro-, dueer mounted on said slideway and provided with a stylus lever; and a plurality of Styluses borne by said lever and respectively adapted .to operate upon a record in 100 different positions of said reproduoer means adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to shift said reproduccr in said slideway.
  • a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely of said mandrel; a repro- 110 dueer mounted on said slidewayand provided with a stylus lever; a plurality of styluscs borne by said lever and respectively adapted to operate-upon a record in different. positions of said reproducer; means 115 adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to shift said reproduccr in said slideway.
  • a mandrel for the record and a carriage movable longitudinally of, said mandrel, said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and provided with a similarly extending stylus lever; a plurality of styluses borne by saidlever and.
  • a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely of said mandrel; a reproduce-r mounted on said slideway and provided with a similarly extending stylus lever; a plurality of styluses borne by said lever and respectively adapted to operate upon a record two feed screws alined with the path of travel.
  • a carriage provided with a slideway; a reproducer mounted on saidslideway and ineluding a floating weight and a stylus lever attached to said weight; a plurality of styluses borne by said lever, said styluses being respectively adapted to operate upon a recordin different positions of said reproducer;
  • a mandrel forthe record and a carriage movable longitudinally of said mandrel, said carriage being provided with a slidew'ay extending transversely of said mandrel; areproducer mounted on said slideway andincluding a floating weight and a stylus lever likewise extending transversely of said mandrel; a pluralityof styluses borne by said lever, said styluses being respectively adapted to operate upon a record in different positions of said reproducer; means adapted to feed said carriage at ditierent rates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said Styluses inoperative and to thereupon shift said reproducer in said slideway.
  • a mandrel forthe record and a carriage movable longitudinally of said mandrel, said carriage being provided with a slideway extending transversely of said mandrel a reproducer mounted on said slideway and including a fioating'weight and a stylus lever attached to said weight; a plurality of styluses borne by said lever, said styluses being respectively adapted to operate upon a record-in different positions of said reproducer; two feed screws alincd with thepath of travel of said carriage and adapted to move the same at difilerent rates of speed, respectively; movable members in said ear riage adapted to connect the same with either of said screws as desired; a rotatable cam plate adapted to-control connection of said members with said screws, said camplate havlng rack-and-pinion engagement!

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Description

H. B. MGNULTY.
PHONOGRAPH.
APPLICATION FILED MAY 24, 1009.
Patented Mar.'12, 1912.
2 SHEETS-SHEET 1.
- Z/Zmam .s/ Q m S A H. B. McNULTY.-
PHONOGRAPH. APPLIOATIO'N :ILED MAY 24, 1909.
-. Patnted Mar. 12,1912.
2 SHEETS-SHEET 2.
WW/paase's/ R m xx .To all whom it may concern:
'tJ'NIiZtED STATES PATENT OFFICE,
HARRY B. MoNULTY, EAST CLEVELAND, OHIO, ASSIGNOR, BY MESNE ASSIGNMENTS,
TO THE UNITED STATES PHONOGRAPH COMPANY, OF CLEVELAND, OHIO, A COR- PORATION or OHIO.
BHONOGRAPH.
Specificationof Letters Patent.
Patented Mar. 12, 1912.
application filed May 24,1909. Serial No. 198,04 0.
Be it known that i, HARRY B. MeNoL'ir, a citizen of the United States, anda resident of East Cleveland, county of Cuya 'hoga, and State of Ohio, have invented a new and useful Improvement in Phonographs', of which t-he -follQwing'is a specification, the principle of. the invention being herein explained and the best mode in which I have contemplated applying that principle, so as to distinguish itrfrom other inventions, 0 The object of the invention is the provision of a phonograph that will be adapted.
to operate, as desired upon. records having threads of difierent fineness, as for instance, upon records having 100 and 200 threads to the inch, or asthey are commonly known two minute and four minute records.
Such adaptation involves a change in the rate of the movement of .the sound-box along the record to correspond with such thread-fineness, and a corresponding shifting of the stylus, since a stylus suitable for playing or cutting one thread, as for example, the finer thread, will not work satisfactorily in the case of the coarser thread, and vice versa. The present invention is designed to. supply simple and conveniently.
operable means for correlating and simultaneously ettecting these two adpistments,
said means together with other accessory features being hereinafter fully described and particularly pointed out in the claims. The annexed drawings and thefollowlng description set forth in detail, certain mechanism embodying the invention, such disclosed means constituting, however, but.
one of various mechanical forms in which the principle of the invention may be used. In said annexed drawings :Figure 1 is a front elevation of a phonograph embodying my several improvements; Fig. 2 is a transverse sectional view thereof with parts a iearin in elevation: Fi 3 is a similar transverse sectional view of a part only of the device, the sound-box and adjacent parts alone appearing and being shown in a different operative position from that of Fig.
2: Fig. 4. is a view similar to Fig. 3, but showing the parts in question in yet another operative position: Fig. 5 is a plan view of the sound-box carriage with parts broken away to show certain operating details: Fig.
, 6 is a transverse sectional-view of a phonograph corresponding to that of Fig. 2, but
showing certain modifications in construction; Figs. 7 and 8 are similar sectional views, showing the sound-box and adjacent parts only, such latter appearing in different operative positions from that of Fig. 6
driving pulley a, by means of which connection between such motor, whatever its character, and the phonograph, may be had. It'- will be understood that the motor is suitably governed to drive such main shaft at a predetermined. rate of speed. Parallel with shaft A and mandrel A are ways 0, upon which is slid-ably mounted the carriage ll that furnishes support for the-sound-box C.
which in illustrated form is designed for sound-reproduction purposes and so will hereinafter be referred to simply as a reprodi'icer. it will be' understood requires to be fed along therecord mounted upon the mandrel when the machine is in use.
The feeding mechanism for the carriage comprises two feed screws E, E respectively having a thread corresponding with two desired rates of feed, when taken in conjunction with the gearing connect-ion (not shown) that is provided for driving said screwsfrom the main or mandrel shaft A of the phonograph. As illustrated, such thread is designed tobe the same on both screws, and the entire variation inrate is secured by rotating the one screw twice as rapidly as the other by suitably proportioning the connecting gears, just referred to, with this result in view. Reciprocably mounted in the carriage B are two plungers B B, the lower ends of.which are in the form' ofsectional nuts adapted to cooperate with such feed screws. respectively, springs b b being provided in connection with such plunger-s to normally retain the same in en Suchsound-boit, orreproducer. I
gagemen't with the, corresponding feed screws; Rotatably mounted upon the upper face of the carriage, is-a-disk B provided with an operating. handle b and bearing on its upper face a cam If adapted to engage the upper ends I) b of the plungers B B respectively, and so disposed as to withdraw the same from engagement with the screws E E in the intermediate position of the handle as illustrated in Fig. 2. However, first the one and then the other of said plungers is allowed to be lowered by its spring into such engagement, upon turning the aforesaid handle to the right or left of such intermediate position, as will, be obvious.
, That portion of the carriage designed for reproducer is .in the prevailing construction, comprises an the reception of the reproducer, instead of consisting of an annular holder in which the designed to be snugly held, as
elongated way D, said way being disposed transversely of the mandrel upon which the record is mounted. The details of the construction of this way need not be further noted, than to remark that it comprises in effect two lateral guides (Z adapted to be covered, in the assembled machine, by a plate d: in-which an elongated slot fl is provided through which the upper tubular partof the reproducer extends.
The flangedpart or base 0 of the reproducer is modified in form to fit the guides d, and in addition isprovided with forwa-rdly projecting arms 0 c that lie on either side of the axis of the cam disk B. Suitably held in the carriage frame, and secured to said cam disk, so as tobe in effect a part of the same, is a broken gear B the teeth of which mesh with a series of rackteeth 0 on the reproducer arm 0'. Rotation of said cam platewill accordingly be effective, when said gear and rack are in engagement, to shift the reproducer transversely of. the mandrel A and of a record mounted thereon. The second reproducer arm 0 merely bears against the smooth side of the gear '13, so as to steady this movement and prevent the reproducer from binding in the guide ways that slidably support the same. I further provide on the under face of such gear member, a raised edge I)" constituting a cam which engages with the rear end of a lever b ,'so as to rock the same, as said gear member B is rotated. The conformation of such cam 12 is such as to oscillate the lever to immediately raise the floating weight 0* of the reproducer C u on actuation of the gear member from either of its extreme po- 'sitions, (in which connection is had with one or the other of the feed screws), and before any operative engagement takes place 2 between the gear and rack teeth. Engagement between these last named parts, howi ever, does take place at an intermediate position of the gear member, but ceases before i cam 1) permits the weight of the l'BPfOl'lllCGl Said Styluses furthermore, are so on the lever that the shifting movement just the cam plate B and attached gear member 13 brings first the one and then the other stylus into contact with the record mounted upon the phonograph. mandrel. Accordingly a single. operation of the handle I) it will be seen, serves to control connection of the carriage with the feed screws, and simultaneously to prepare the reproducer for operation on a record corresponding with the particular feed screw that quay be operativcly connected withthe carriage.
The modification in construction illus trated in Figs. 6, 7 and 8 consists first'of all in the use-of two stylus levers 0 (2 extending in opposite radial directions from the center of the reproducer, but each connected with the floating weight a and otherwise figuring as the single stylus lever of the prevailing type of phonograph. The styluses c 0 of said levers, however, are respectively formed for use in connection with different types of .the two 'styluses c .0 borne by, the single lever c in the first-described construction. A further change introduced in this construction, is the substitution for the lever b operated by the raised cam edge I) of gear member B, ofa dog borne by the under side of the plate a forming the slidable base of the reproducer, which dog is brought into engagement with a roller b as said repro- I ducer is now advanced, now retracted. Since of this engagement,as will be evident from an inspection of the figures of reference. will be substantially the same as that of the lever previously described; namely, the floating weight of the'reproducer will'be raised immediately upon movement of the reproducer from either of its extreme positions, and such weight will be held in raised position I until the other normal operative position is 5 reached. The general operation of the device aside from .this, however, remains the the control of the'rate of feed being same,
obviously correlated, as before,
for operation of another type of record.
disposed records as in the case ofroller 7) is mounted on a fixed axis the effect be seen that the floating weight w referred to as being secured by rotation of with the ad- 1 tion on diverse kinds of records as'heretotore described, are supported from one stylus lever c such position that shifting. of thereproducer transversely of the record will bring first oneand then the other of such styluses into operation with the latter. No
detail description of the operation of this modification is deemed necessary, as this fully appears from an inspection of the figure.
Obviously," the various modifications in construction illustrated in the several figures of the drawings may be variously combined,
as there is no necessary insistence on theparticular association of such constructional forms that happens to be shown in any one of such figures. i
It is not intended, moreover, by referring to the specific'use of the improvements under consideration in-adapting a phonograph to operation on records of the specific kind limitationto the' described, to imply any use of the invention to the accomplishment of this object, since various features em-' bodied herein are susceptible of moregene'ral application.
;Othern1odes of applying the principle of my invention may be employed instead of the one explained, change being made as regards the mechanism herein disclosed, provided the means stated by any one of the fol lowing a claims or the equivalent of such stated means be employed. l
I thereforeparticularly point out and distinctl'y claim as my invent-ion -1. In mechanism of the class described, the combination of a record support; a movably mounted sound-box provided with .a plurality of stylnses respectively adapted to operate upon a record in different positions of said sound-box; means adapted variously to feed said record support and sound-box relatively to. each other; and controlling means for said feed means adapted likewise to shift said reprcducer to operatively position the desired stylus.
2. llrmeclnmism of the'classxlescribed,
the combination of a record support; a
a. sound -box mounted on $111 sl ideway:
. slideway andprovlded, w th a plurality of st vluses respectively adapted to operate upon a record in different posit-ions of said sound-box; ineans adapted to feedsaid' record-supportand slideway relatively to'each other'at different rates of speed; and controlling means, for said feed means adapted likewise to shift said sound-box in said slide-way to operathely posit on the desired. stylus.
! I i i l I 1 I 3;. ln.mechanism of the class described, the combination of a mandrel for the record and amember relativelymovable in a direction longitudinal of said mandrel, said memberincluding a slideway extending t'ansversely of said mandrel; a sound-box mounted on said slidcwayand provided with a plurality of styluses respectively adapted to operate upon a record in different positions of said sound-box; means adapted to feed said mandrel and member relatively to each other at different rates of speed; and controlling means for said feed means adapted likewise to shift said soundbox in said slideway. v
4. In mechanism of the class described, the combination of a record snpport;.a sound-box movably mounted and provided with a plurality of Styluses respectively adapted-to operate upon a record in different positions oi said sound-box; means adapted to variously teed said record support and sound-box relatively to each other; and controlling means for said feed means adapted likewise to raise said styluses from a record and shift said sound-box.
ln mechanism of the class described, the combination of arecord support; a
slideway: a sound-box mounted on said slideway and including a weight and a plurality of stylusesborne by said weight, said st-yluses being respectively adapted to operate upon a record in different positions of said sound-box; means adapted to feed said record-support and slideway relatively to, each other at different rates of speed; and controlling means for said feed means adapted likewise to raise saidaveight to render said stvlusesinoperative and to thereupon shift said sound-box in said slideway.
6. In mechanism of the class described, the combinationof a mandrel for the record and a member relatively movablein a direction longitudinal of said mandrel, said n'iember including a slide'way extending transversely of said mandrel; a sound-box mounted on said slideway and including aweight and a plurality'of styluses borne by said weight, said styluses being respectively adapted to operate upon a record in different positions of said sound-box; means adapted to feed said mandrel and member relatively to each other at different rates of speed; and controlling means forsaid feed means adapted likewise to raise said weight to render said styluses inoperative. and to thereupon shiftsaid sound-box in said slideway.
7. In a phonograph, the combination of a lIt rotaryrecord-carrying mandreland a mem- 12 be'r relatively movable in a direction longit'udinal of said mandrel, said'member including a slideway extending transversely of said mandrel: a sound-box-mouitbed on said slideway and provided with a plurality of styluses respectively adapted to operate upon records with threads'of difierent fineness; means adapted to rotate said mandrel,
and ,to feed said mandrel and sound-box relatively to each other; and means adapted to change the rate of such'feed movement.
- relatively to the rate of rotation of said mandrel and likewise shift said sound-box to operatively position the corresponding stylus.
V 8. In a phonograph, the combination of a rotary record-carrying mandrel apda member relatively movable in a direction longitudinal of said mandrel, said member 1ncluding a slideway extending transversely of said mandrel; a sound-box mounted on said slideway and-including a weight and a plurality of styluses bopne by said weight,
said styluses being respectively adapted tov adapted to operate upon a record in (lit-- i'erent positions of said sound-box; means adapted to variously feed said sound-box; and controlling means for said feed, means likewise adapted to shift said sound-box.
10. In a phonograph, the combination of a carriage including a slideway, a soundbox mounted on said slideway and provided with a. plurality of styluses respectively adapted to operate upon a record in diflcr-- ent positions of said sound-box; means adapted 'to feed said carriage at differentrates of speed; and controlling means for said feed means likewise adapted to' shift said sound-box in said slideway.
-- I 'adapte 11. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely ofsaid mandrel: a soundbox mounted on said slideway and provided with a plurality of. sty-luses respectively adapted to operate upon a record in different ositions of said sound-box: means to feed said carriage at diit'erent rates of speed; and controlling means for said feed means likewise adapted to shift said sound-box in said slideway.
12. In a-phonograph, the combination of a mandrel for the record and a carriage movable longitudinally oflsaid mandrel, said carriage including a slideway extending transversely. of said mandrel; a soundwith a plurality of box mounted on said slideway a'nd provided with a plurality of. Styluses res ectivelfy I adapted to operate upon-a recor in d1 ferent positions of said sound-box; feed screws adapted to move said carriage at (litferent rates of speed, respectively; and means for operatively connecting said carriage with either of said feed screws as de-' sired, said means being likewise eifective to shift said sound-box in said slideway.
13. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of such mandrel, said carriage including a slideway extending transversely of said mandrel; a soundbox mounted on said slideway and pro-- vided with a plurality of styluses respectively adapted to operate upon a record in different positions'of said sound-box; two feed serew's alinedwith the path of travel of said carriage and adapted to move the same at adifi'erent rates of speed, respectively; movable membersvin said carriage adapted to connect the same with either of said screws as desired; and actuating means for said connecting'members', said means being :llSL connected with said sound-box to shift the same in said'slideway', substantially as described.
14. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extend 'ing transversely of said mandrel: a. soundbox mounted on said slideway and provided styluses respectively adapted to operate upon a record,in different positions of said sound-box; two feed screws alined with the path of travel of said carriage and adapted to move the same at different rates of speed, respectively; reciprocable members insaid carriage adapted to connect the same with either of said screws as desired and a cam-plate adapted thus alternately to actuate the same, said cam-platc being also connected t'vith said sound-box so as to shift the same in said slideway, substantially as described.
15. In a phonograplu'the combination of a mandrel. for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extendingtransversely of said mandrel: a soundhox mounted on said slideway and provided with a plurality of stylusesrespectively adapted to operate upon a record in different positionsof said sound-box; two feed screws alined with the path of travel of said carriage andadapted to move the same at different rates of speed, respectively; springpressed plungers .in said;oarriage normally tending to connect t 9 same with said screws: and a rotatable cannplate adapted in one position to retain botll said plungers inoperative, but to permit their operation;
respectively, upon movement in one direction or the other from such position, said can't-plate being connected \vithsaid sound- 'entpositions of said sound-box: two feed screws alined with the path of travel of saidcarriage and adapted to move the same at different rates of speed, respectively;
spring-pressed plungers in said carriage normally tendirig to connect the same with said screws; and a rotatable cam-plate adapted in one position to retain both said plungers inoperative, but. to permit their operation, respectively, upon movement in one direction or the other from 'suclrposition, said cam-plate having rack-and-pinion engagementwith said sound-box, whereby rotation of said cam-plate also serves to position said reprodncer in said slideway.
17. In a phonograph, the combination of a sound-box movably mounted and provided with a plurality of styluses respectively adapted to operate upon a record in different positions of saidsound-box; means adapted to variously feed said sound-box: and controlling means for said feed means likewise adapted to raise said styluses from the record and shiftsaid sound-box, substantially as described.
18. In a phonograph, the combination of a carriage provided with a slideway,- a sound-box mounted on said slideway and including a weight and a plurality of styluses borne by said weight, said styluses being respectively adapted to operate upon a record in different positions of said sound-box; means adapted to feed said carriage at differcnt rates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said styluses inoperative and to thereupon shift said soundbox in said slideway.
19. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage. being provided with a slideway extending transversely of said mandrel: a sound-box mounted on said slidcway and including a weight and a plurality oi styluses borne by said weight, said styluses being rcsm-ctively adapted to operate upon a record in diti'erentpositions of said soundbox; means adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to raise said wenght. to render said styluses inoperative and to thereupon shit't' said sound-box in said slideway.
20. In a phonograplnthe combination of a mandrel for the rccordand a carriage movable longitudinally of said mandrel, said carriage'being provided with a slideway extending transversely of said mandrel; a sound-box mounted on said slideway and including a weight and a plurality of styluses borne by said weight, said styluses being respectively adapted to' operate upon a record in different positions'of said sound-box; two feed screws alined with the path of travel of said carriage and adapted to move the same at different rates of speed, respectively; movable members in said carriage adapted to connect the Same with either of said screws as desired: a rotatable cam-plate adapted to control connection of said members with said screws; said cam-plate having rack-and-pinion engagement with said sound-box, whereby rotation of said cam-plate also serves to position said sound-box in said slide-way; and a lever mounted in said carriage and adapted to raise said weight, said cam-plate being connected to operate said lever incidentally to rotation thereof.
21. In a phonograph, thecombination of a reproducer movably mounted and provided with a plurality of styluses respectively adapted to ope rate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads of ditl'erent fineness, respectively; means adapted to variously feed said reproducer; and controlling means for said feed means likewise adapted to shift said reproducer.
22. In a phonograph, the combination of a carriage including a slide\\'ay. a reproducer mounted on said slideway and pro- .vided with a plurality of styluses respectively adapted to operate upon a record in ditl'erent positions of said reproducer. said styluses being furthermore formed tor playing upon threads of difi'crcnt fineness. re-
spectively; means adapted to feed said carlIO mounted on said slide-way and 'providet'l with a plurality of styluses respectively adapted to operate upon a record in ditl'ercnt positions of said re 'n-m ucer. said styluses being furthermore formed for playing upon threads of ditl'ercnt fineness, respectively: means adapted to feed said carriage at dill'crcut rates of peed: and coir trolling means for said feed means likewise -a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely. of said mandrel; a reproducer mounted on said 'slideway and provided with a plurality of styluses respectively adapted to operate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads of difierent fineness, respectively; feed screws adapted to move sail carriage at differentrates of speed, respectively; and means for operatively connecting said carriage with either of said feed screws as desired, said means being likewise effective to shift said reproducer in said slideway.
25. In a phonograph, the combination of.
a mandrel for the record and a carriage movable longitudinally said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and provided with a plurality ofstyluses respec tively adapted to operate upon a record in diiferent positions of said reproducer, said styluses being furthermore formed forplaying upon threads of different fineness, respectively; two feed screws alined with the path of travel of said carriage and adapted to move the same at different rates of speed,
respectively; movable members in said carriage adapted to connect the same with either of said screws as desired; and actuating means for said connecting members, saidmeans being also connected with said reproducer to shift the same in said slideway, substantially as described.
26. In -a phonograph, the combination of a mandrel for the record and. a carriage movable longitudinally of said mandrel,
said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and provided with a pluralityof styluses respectively adapted to operate upon a record in diti'erentpositions of said reproducer,said styluses being furthermore formed for playing upon threads of ditl'erent'. tineness, respectively; two feed screws alined with the path of travel of said carriage and adapted of such munch-01,
a mandrel for the record and a carnage l l l l t?) move. the same at ditl'erent rates of speed.
respectively: reciprocable members in said carriage adapted to connect. the same with either of said screws as desired; and a camalt'ernately to actuate the same. said cam-plate being-also -ou-' ucctcd with said reproduccr so as to shiftthe same in said slideway. described.
27. In a phonograph, the combination of substantiallv as -said feed means likewise a mandrel for the record and a carriage movable longitudinally olf said mandrel, said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and .provided with a plurality of styluses respectively adapted to operate upon a record in ditferent positions of'said reproducer, said styluses being furthermore formed f0r playing upon threads of different fineness, respectively; two feed screws alined with the path of travel of said carriage and adapted to move the same at ditferent rates of speed, respectively; spring-pressed plungers in said carriage normally tending to connect the same with said screws; and a rotatable camplate adapted in one position to retain both said plungers inoperative, but to permit their operation, respectively, upon movement in one direction or the other from such position, said cam-plate being, connected with said reproducer to shiftthe same in said slideway, substantially as described.
28. In a phonograph, the combination of movable longitudinally of said mandrel, aid carriage including-a slideway extending transversely of said mandrel; a reproducer'mounted on-said slideway an provided with a plurality of styluses respec tively adapted too'perate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing'upon threads of difi'erent fineness, respectively; two feed screws alined with the path of travel of said carriage and adapted to move the same at ditferent rates of-speed, respectively; spring-pressed plungers in said carriage normally tending to connect the same with said screws; and a rotatable camplate adapted in one position to retain both said plungers inoperative, but to permit their operation, respectively, upon movement in one direction or the other from such position. said cam-plate having rack-andpinion engagement, with said reproducer, whereby rotatiou of said cam-plate also serves to position said, reproducer in said slideway. I i
29. In a phonograph, the combination of a reproducer movably mounted and provided with a plurality of styluses respectively adapted to operate upon. a record in ditl'crent positions of said reproducer. said styluses being furthermore formed for playing upon threads of ditlerent fineness. respectively: means adapted to variously feet said reproducer: and controlling} means to] adapted to rais said styluses from the record and shift Stilt reproducer, substantially as described.
:10. la a phonograph. the combination o a carriage 'rrovided with a slideway. a PC producermounted on said slideway and ir eluding a floating weight and a plurality o Styluses borne by said weight, said styluses 5 said sound-box;
being respectively adapted to operate upon 5 a record in different positions of said reproducer, said Styluses being furthermore formed for playing upon threads of (litterent fineness, respectively; means adapted to feed said carriage at different ates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said Styluses inoperative and to there- ,upon shift said reprodueer in said slideway.
231. In a phonograph, the combination of a mandrel for the record and a carriage "movable longitudinally of-said mandrel,
said carriage being provided with a slideway extending transversely of said mandrel; a reprodueer mounted on said slideway and including a floating weight and a plurality of styluses borne by said weight, said Styluses being respectively adapted to operate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads, of diiferentfineness, respectively-'2 means adapted to feed said carriage at different rates of 'speed; and controlling means for said feed means likewise adapted to raise-said weight to render said styluses inoperative and to thereupon shift said reproducer in said sl ideway.
In a phonograpl1.:tl-1e combination of a mandrel for the record and a carriage v movable longitudinally of said mandrehsaid carriage being provided with a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and including a floating weight and a plurality of styluses borne by said weight, said styhises being respectively adapted to op erate upon a record in different positions of said reproducer, said styluses being furthermore formed for playing upon threads of different fineness. respectively: two feed screws alincd with the path of travel of said carriage and adapted to move the same at ditl'crcnt rates of. speed, respectively; movable members in said carriage adapted to connect the same with either of said screws as desired; a rotatable cam-plate adapted to control connection of said members with said screws. saidcam-platc ha ring rack-and-puuon engagement with said reproduccn whereby rotation of said c:uu-
plate also serves to position said reproduccr in said slideway; and a lever mounted in said carriage and adapted to raise said weight. said cam-plate being conncctcd to operate said lever incidentally to rotation thereof.
33. In mechanism of the class described, the. combination of a. record support; a movably mounted sound-boa; provided with a stylus lover; a plurality of stylus-es borne by said lever and respectivelv adapted to operate upon a record in'difi'crent positions of means adapted variously to feed said record support and sound-box relatively to each other; and controlling means for said feed means adapted likewise to shift said sound-box to operatively position the desired stylus. v
34. In mechanism of the class described, the combination of a record support; a mov ably mounted sound-box provided with a floating weight and a stylus lever attached to said weight; a plu ality of styluses borne by said lever and respectively adapted to operate upon a record 'in differentposit-ions of said sound-box; means adapted variously to feed said record support and sound-box relatively to each other; and adapted likewise to raise said weight to lift saidlever and Styluses and thereupon shiftsaid soundbox to operativcly position the desired stylus.
In a phonograph, the combination of a rcproducer movably mounted and provided with a stylus lever; a plurality of Styluses borne by said lever and respectively adapted to operate upon a record in differ ent positions of said reproducer; means adapted to' variously feed said reproduoer; and controlling means for said feed means likewise adapted -to shift said reproducer.
36. In a phonograph, the combination of a carriage including a slideway, a repro-, dueer mounted on said slideway and provided with a stylus lever; and a plurality of Styluses borne by said lever and respectively adapted .to operate upon a record in 100 different positions of said reproduoer means adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to shift said reproduccr in said slideway.
37. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely of said mandrel; a repro- 110 dueer mounted on said slidewayand provided with a stylus lever; a plurality of styluscs borne by said lever and respectively adapted to operate-upon a record in different. positions of said reproducer; means 115 adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to shift said reproduccr in said slideway. I
3S. In a phonograph,--the combination of 120 a: mandrel for the record and a carriage movable. longitudinally of said mandrel, said carriage including a slideway extending transverscly of said mandrel; a reproduccr mounted on said slideway and pro- 125 vided with a stylus lever; a plurality'of stylusesborne by said lever and respectively adapted tooperate upon a record in different. positions of said rcproducer; feed screws adapted to move. said carriage at different 13c travel of said carriage and adapted to move reproducer in said slideway.
for said connecting members, said means in different positions of said reproducer;
rates of speed, respectively; and means for 0 eratively connecting said carriage with either of said feed screws as desired, said means being likewise etl'ective to shift said 39. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of, said mandrel, said carriage including a slideway extending transversely of said mandrel; a reproducer mounted on said slideway and provided with a similarly extending stylus lever; a plurality of styluses borne by saidlever and. respectively adapted to operate upon a record in different positions of said reproducer; two feed screws alined with the path of the same at different rates of speed, respectively; movable members in said carriage adapted to connect the same with either of said screws as desired; and actuating means being also connected withsaid reproducer to shift the same in said slideway, substantially as described.
40. In a phonograph, the combination of a mandrel for the record and a carriage movable longitudinally of said mandrel, said carriage including a slideway extending transversely of said mandrel; a reproduce-r mounted on said slideway and provided with a similarly extending stylus lever; a plurality of styluses borne by said lever and respectively adapted to operate upon a record two feed screws alined with the path of travel. of said carriage and adapted to move the same at different rates of speed, respectively; reciprocable members in said carriage adaptedto connect the same witheither of said screws as desired; and a cam-plate adapted thus alternately to actuate the same, said cam-plate being also connected with said reproducer so as to shift the same in said slideway, substantially as described.
41. In a phonograph, the combination of with a stylus lever; a plurality of styluses borne by said lever and respectively adapted to operate upon a record indifferent positionsof said reproducer; means adaptedto variously feed said reproducer; and controlling means for said feed meanslikewise adapted to raise said styluses from the record and 'shift said reproducer,- substantially as described.
42 In a phonograph, the combination oi a carriage provided with a slideway; a reproducer mounted on saidslideway and ineluding a floating weight and a stylus lever attached to said weight; a plurality of styluses borne by said lever, said styluses being respectively adapted to operate upon a recordin different positions of said reproducer;
means adapted to feed said carriage at different rates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said styluses inoperativevand to thereupon shift said reproducer in said slideway.
43. In a phonograph, the combination of a mandrel forthe record and a carriage movable longitudinally of said mandrel, said carriage being provided with a slidew'ay extending transversely of said mandrel; areproducer mounted on said slideway andincluding a floating weight and a stylus lever likewise extending transversely of said mandrel; a pluralityof styluses borne by said lever, said styluses being respectively adapted to operate upon a record in different positions of said reproducer; means adapted to feed said carriage at ditierent rates of speed; and controlling means for said feed means likewise adapted to raise said weight to render said Styluses inoperative and to thereupon shift said reproducer in said slideway.
44. In a phonograph, the combination of a mandrel forthe record and a carriage movable longitudinally of said mandrel, said carriage being provided with a slideway extending transversely of said mandrel a reproducer mounted on said slideway and including a fioating'weight and a stylus lever attached to said weight; a plurality of styluses borne by said lever, said styluses being respectively adapted to operate upon a record-in different positions of said reproducer; two feed screws alincd with thepath of travel of said carriage and adapted to move the same at difilerent rates of speed, respectively; movable members in said ear riage adapted to connect the same with either of said screws as desired; a rotatable cam plate adapted to-control connection of said members with said screws, said camplate havlng rack-and-pinion engagement! with said reproducer, whereby rotation of said cam-plate also serves to posit-ion said, reprcducer in said slide-way; and a lever mounted in said carriage and adapted to raise said weight, said cam-plate being connected to operate said lever incidentally to rotation thereof.
Signed by me this 17th day of May. 1908).
I lid RR Y l). McNUl/li". Attested by- JNO F. OBEIJN.
US49804009A 1909-05-24 1909-05-24 Phonograph. Expired - Lifetime US1020151A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533359A (en) * 1948-03-12 1950-12-12 Edison Inc Thomas A Transducer carriage feed and control mechanism therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533359A (en) * 1948-03-12 1950-12-12 Edison Inc Thomas A Transducer carriage feed and control mechanism therefor

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