US1401929A - Phonograph-needle sharpener - Google Patents

Description

A. W. WAHLIN.

PHONOGRAPH NEEDLE SHARPENER.

APPLICATION FILED JULY 26, 1919.

1,401,929. Patented Dec. 27, 1921.

2 SHEETS-QSHEET 1.

49 l l l 35 w x a m mmnm IIIHIIHHHIHM f A. w. WAHLIN.

PHONOGRAPH NEEDLE SHARPENER.

APPLICATION FILED JULY 26, 1M9.

STATES ear-ear V @EFFCE.

AXEL 1V. WAHLIN, OF CHICAGO, ILLINOIS, ASSIGNOR T0 GUSTAVE LIDSEEN. OF

onroaeo,

ILLINOIS.

PHONOGRAPE-NEEDLE SHABPENE R.

ioness.

Application filed July 26,

To all whom it may concern:

Be it known that I, Anni. W. NAHLIN, a citizen of the United States, and a resident of the city of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in a Phonograph-Needle Sharpener; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, and to the numerals of reference marked thereon, which form a part of this specification.

This invention relates to an improved type of a phonograph fiber orwood needle sharpener, adapted to be adjustably mount ed upon a phonograph top board adjacent the record turn-table to permit a fiber needle, engaged in the phonograph needle holder, to be cut or sharpened without necessitating removal of saidneedle from its holder.

It is an object of this invention to provide an improved type of phonograph needle sharpener or cutter.

It is also an object of the inventionto construct a phonograph fiber needle cutter adapted to permit cutting of the playing end of a needle while the needle remains engaged in the phonographneedle holder.

Another object of the invention is to provide a fiber stylus cutter adapted to be mounted on a phonograph in a position to permit a fiber needle carried by the reproducer arm to be swung into engagement with the cutter to be cut thereby.

A further object of the invention is to provide a phonograph needle sharpener adapted to be moved into engagement with a wooden needle held in position in a phonograph needle holoer to permit sharp-ea ing of the needle, after which the sharpener is adapted to automatically move away from the needle to permit swinging of the phonograph reproducer arm.

It is furthermore an object of this invention to provide a needle cutter adapted to be slidably shifted to cut off the playing end of a fiber needle when the phonograph re-v producer arm carrying the needle is swung outwardly to one side of the phonograph turn-table. i

It is an important object of this invention to provide a means for sharpening the Specification of Letters Eatent. Patented Dec. 2?, 1921.

1919. Serial No. 313,466.

playing end of a fiber stylus While it is engaged in its holder.

ther and further important objects of this invention will be apparent from the disclosures in the specification and'drawings. The invention (in a preferred form) is illustrated in the drawings and hereinafter more fully described.

On the drawings:

Figure 1 is a top plan view of a phono-- graph equipped with a fiber needle sharpener embodying the principles of this invention.

Fig. 2 is an enlarged elevation thereof taken on line 2-2,'of Fig. 1.

Fig. 3 is a top plan view of the sharpener.

Fig. 4 is an enlarged sectional view taken on line 4-4, of Fig. 3, showing the, sharpening mechanism in elevation.

Fig. 5 is a detail section taken on line 5-5, of K r Fig. 6 is an enlarged detail section taken on line 6-6, of Fig. 3, with the sharpener mechanism omitted.

Fig. 7 is a top plan View of a portable modified form of the device.

Fig. 8 is a longitudinal section through the base thereof.

As shown on the drawings:

The reference numeral 1, indicates a phonograph casing, having a centrally apertured top board or plate 2, through which a spindle or shaft 3, projects. Secured on the upper end of the shaft 3, is a record turn-table 4. Also secured on the top board 2, to one side of the turn-table I, is a socket 5, in which one end of a reproducer arm 6, is adjustably mounted; The reproducer arm is adapted to be swung across the turn-table 4:, and has secured in the free end thereof a soundbox 7, provided with a stylus or needle holder 8, for removably receiving and holding awood or fiber needle or stylus 9, in position for playing a record on the turn table. The

fiber stylus or needle 9, is removably held in wardly and then inwardly to form opposite guide rails or channels 12. integrally the top of theplate 22, by Ineansof a screw formed centrally. on each end ofthe mounting plate 11, is an apertured lug or projection 13,. through which retaining screws 14, project and thread into the phonograph top, board 2, to hold the base plates :ecured in position. Struck upwardly from the'rear' central portion of the base plate ll, is a stop or finger 15, provided with a PIOJGClZlOIl .16, around which onecnd of a coiled spring 17, is engaged. as it bears against the stop -15. The other end of the coiled spring 17,

" engagesa-round a projection 18, integrally disk 26, to within a'very short dist formed in the rear end wall of an adjustable base 19. The top'ol thelbase '19, is dept-es ed near the front end to allord a thumb pocket 2 0,to facilitate sliding of the base .To

, guide the base in its sliding movement, flanges 21, are integrally torrneclon the side walls of "the" base 19. The-flanges 21, are slidably disposed in the gait afforded by the guide channels 12, as shown in Fig. i,

Rigidly secured on the top or the; base .19, and at an angle to the sides thereofl is-a' verticalontipright plate or wall 22, held in place by screws 23, whlch project upwardly throughthe top of the basalt and thread intothe lowerportion of said vertical plate 22. The upper margin of the plate22, hasfa \leshaped portion thereofcut away to allord a triangular opening'2et, adapted to receive the playing end of the triangularly crosssectioned fiber-stylus or needle 9, seated therein in. position to be cut. Y I Rotatably mounted on onesideand near bolt 25, is a cutter disk 26, having a portion thereof cut away. Oneedge of the dislr 26, is beveled orsharpened toprovide a knife or cutting edge 27, adapted when the disk 26,, is rotated, to'co-act'with the edges of a small portion of the fiber needle SViSec'ured byscrews or other suitable means on the outer surface of the cutter dislr2t3, is a gage plate 28, a portion of which is depressed into the opening in the I ance ofand parallel to the :vertical plate 22. The gage the slot 2st, to cutoff plate 28, thus servesto limit the inward affords a stop movement of the needlell, and

therefore; The small distance between the vertical plate 22,1and the gage plate 28,

measures the amount to be .cut off of the playing end-of the fiber needlel), each time it is cut or sharpened to provide a new play 111g point li'orthe needle. Thecut off parts ol the needle 9, arepermitted tofall into a downwardly curved discharge chute 29, secured by screwsorother suitable means on the outer surtaceol the gage plate'28. 1

' integrally formed radially onthe periphery of thecutter disk 26, is an ar1n'30, to the end of which is pivotally connected the The lower upper end of a link or toggle 31. v end of the link 3 1,,is pivotally connected to to grooves the end of a short of a lever 32, which is fulcrumedon a screw bolt 38, projecting through the lower part of the plate 22. Theilonger. arm of the fulcrumed lever 82,

has a? linger piece '34 integrally formed thereon to facilitate operation of the lever. To return the-cutter disk 26, tonormal position after-acutting operation a spring 35,

is provided. The spring 35, istwisted around a screw 36, secured to the. plate 22. One end of the spring 35, projects through a*slot 37,111 plate22, and is attached to the disk 26, while-the other or lower end of said spring rests upon the top-Lot the base'l9, as

7 shown in dottedlines. in Fig. 4.

- Figs. 7 and 8, disclose a modified form of needle sharpener. In this case the device is portableand embraces a base plate 38, which is depressed to afi'erd a concave thumb re-' ceiving pocket 39. A plurality of legs or feet 40, are secured. to the bottom of the l baselplate 38, to support the same. The cutter mechanism in this case is substantially the same as that already described with the exception that the plate 22, is supported transversely upon the base plate 38.

The discharge chute 29, is omitted and replaced by an open troughfor receptacle 41, which is secured onthe plate 22, below the cutter disk .26, to receive the cut tions o'f the fiberneedles; The trough 41, is

adapted to be emptiediby inverting the enquires sharpeningbefore another record can be successfully played.

Sharpening of the fiberneedle 9, is done without removing the same from the needle holder 8; The phonograph arm 6, is swung outwardly intothe position shown in Fig. 1. By placing onels thumb in thepocket 20, of

the base 19, the base is slidably moved over the mounting plate 11, with the flanges 21, engagedflinr the grooves'of the-guides l2. Rearwardrmovement'of thebase 19, compresses the springll, and serves to znove the cutter or sharpening mechanism into operatingposition, wherein the playing end of the needle 9, is adapted] to. project through the V-shaped recess in the plate 22, and abut aga nstqthe gage ia-5e28,. The space between] the gage plate28' and the plate22, is small, about one one-hundredth of an inch, and saidspace measures the amount, to be cutoff of the end of the needle 9, to sharpen the same.

With the needle still inthe holder 8, and

contacting the gageplate 28, ofthe Sharp'- ofl' por- 105 playing point of the needle is "dull and reening mechanism, an operator 7 -merely presses downwardly on the finger piece 34, thereby elevating the short arm of the fulcrumed lever 32, and the link 31. The arm 30, is thus raised and acts to rotate the cutter disk 26, toward and across the playing end of the needle 9, cutting off the small portion thereof which projects into the small space between the plate 22 and the gage plate 28. A new playing point is thus provided on the needle 9. As the cutter disk 26, is rotated the controlling spring 35, is compressed, and with the release of the lever 32, said spring acts automatically to return the cutter disk to normal position. The portion of the needle which has been cut oil falls into the chute 29, and is discharged to one side of the needle sharpener. After a needle has been sharpened the thumb of the operator is removed from the pocket 20, of the base 19, and the compressed spring 17, acts to automatically move the base 19, and the sharpening mechanism, away from the reproducer box 7, to permit the arm 6, to be swun into playing position.

The operation of the modified portable type of the sharpening device shown in Figs. 7 and 8, is substantially the same as that already described. In this case the sharpening mechanism is securely mounted on the base 38, and the entire device is placed to permit a needle held in a phonograph needle holder to be out without removal from the holder. If desired needles removed from the needle holder may also be sharpened. The shavings or cut off parts of the wooden needles fall into the trough or cup 41, and when said trough is full it may be emptied by inverting the entire device.

I am aware that numerous details of construction may be varied through a wide range without departing from the principles of this invention, and I therefore do not purpose limiting the patent granted otherwise than necessitated by the prior art.

I claim as my invention:

1. The combination with a phonograph and the reproducer mechanism thereof, of a needle sharpener slidably mounted on the phonograph and adapted to be moved into position to sharpen a needle while it is held in position in the needle holder of the phonograph reproduoer mechanism when said reproducer mechanism is moved into a predetermined position to dispose the needle in the path of said needle sharpener.

2. The combination with av phonograph and the needle holder thereof, of a needle sharpening device comprising a mounting plate rigidly secured on the phonograph, an upright member integral with said mounting plate, base slidablymounted on. said mounting plate, a spring engaged beween said upright member and said base, and a needle sharpener mounted on said base, said base adapted to be slidably moved on said spring to move the needle sharpener into engagement with a needle held in the phonograph needle holder when said needle holder is moved into a predetermined position to permit sharpening of the needle while in position in said needle holder.

'3. The combination with a phonograph and the reproducer mechanism thereof, of a guide member secured upon said phonograph, a base slidable thereon, aneedle sharpening mechanism on said base adapted to be moved toward the reproducer mechanism into a position to sharpen a playing needle when the reproducer mechanism carrying the needle is moved into a predetermined position, and means on said guide member for automatically returning said base and the sharpening mechanism to normal position out of engagement with the.

needle after .a sharpening operation.

l. The combination with a phonograph and the reproducer mechanism thereof, of a mounting plate secured on the phonograph, and a needle cutter slidably mounted on said mounting plate for co-action with said reproducer mechanism to sharpen a needle held by the reproducer mechansm when the reproducer mechanism is moved to position the needle in. the path of said needle cutter.

5. The Combination with a phonograph top board, turn-table and r'eproducer mechanism, of a plate secured to said top board to one side of the turntable, guide channels integral with said plate, a base member on said plate, flanges thereon slidably engaged in said guide channels, and a needle sharp-- ener mounted on said base and movable therewith into engagement'with a playing needle supported by said reproducer mechanism to sharpen the needle when the reproducer mechanism is moved into a predetermined position.

6. A phonograph needle sharpening device comprising a mounting plate adapted to be secured on the top board of a phonograph, an upright member integral with the mounting plate, a base slidably mounted on said mounting plate and having a depression therein to facilitate sliding of the base, a needle sharpening-mechanism mounted on said base adapted to be moved with said base toward said upright to engage and sharpen a needle when'the needle holder of the phonograph is moved into a predetermined position, and resilient means between saidbase and said uprightadapted to return the base and the needle sharpening mechanism to normal position after a cutting operation.

7. The combination with a phonograph and the needle carrying mechanism thereof, of a needle sharpening means adjustably into a predetermined position.

.moiintedf on said phonograph and adapted to he moved. into engagement with the needle to sharpen the same when the needle ear rying mechanism and the needle are moved SFThe combination with a phonogreph oabiiiet of guide rigidly secured thereon in e predetermined position, a needle carrying sound reproducer mechanism adjustebly mounted onsaid cabinetandadapted to be 7 moved into a predetermined position over said guide, and it needle sharpener mounted'on said guide to he moved ine predeter- "off of the playing end of the needle at'the same angle each time the needle'is shar m v Witnesses: l g FREn E." PAnsLEn,

CHARLES W. HILLs, Jr.

Ininedpath into e position to reoeivethe' needle therein. to positively permit cutting 15 presence of two 20 i XEL' Wj WAHLiN; i l

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