US1094166A

US1094166A - Tone-arm for talking-machines.

Info

Publication number: US1094166A
Application number: US65778311A
Authority: US
Inventors: Edmund Peltovitz
Original assignee: Individual
Current assignee: Individual
Priority date: 1911-10-31
Filing date: 1911-10-31
Publication date: 1914-04-21
Anticipated expiration: 1931-04-21

Description

E. PELTOVITZ.

' TONE ARM FOR TALKING MACHINES.

APPLICATION FILED 0GT.31.1911.

Patented Apr.'21, 1914.

3 SHEETSSHEET Z.

INVENTOR Edrquqd. FETEDVIF 2.,

A TTORNEYS WITNESSES:

-|"1iiiiiiiii i ii E. PELTOVITZ.

TONE ARM FOR- TALKING MAGrLINES.

APPLICATION FILED OCT. 31, 1911.

m m n m m M .L 1 Qm m ME A WP ms am Ma .r Dom m E 753 4. 2 2

- WITNESSES' EDMUND PELTOVITZ, OF EAST ORANGE, NEW JERSEY.

TONE-ARM FOR TALKING-MACHINES.

Specification of Letters Patent.

Application filed October 31, 1911.

Patented Apr. 21, 1914.

Serial No. 657,783.

To all whom it may concern:

Be it known that I, EDMUND PELTOVITZ, a citizen of the United States, residing at- East Orange, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Tone-Arms for Talking-Machines; and I do hereby declare the following to be a full, clear, and

exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to characters of reference marked thereon, which form a part of this specification.

This invention has reference, generally, to improvements in tone arms for talking machines; and, the invention relates, more particularly, to a novel form of accordion-plaited stem for use with machines of the character above stated and with the amplifying horns employed with such machine, with a View of providing a means which will permit the sound box to be readily raised from its reproducing contact with the record cylinder of the phonograph, or "from the record-disk of the gramop-hone or talking machine, without in the least aflecting the relatively fixed position of the amplifying horn; and, also to provide a tone-arm which will swing laterally as the sound box moves along the cylinder or from the central portion of the disk to the outer circumferential edge of the latter. y

The invention has for its further object to provide a simple and effectively operating means which will modify the sound and will overcome absolutely the metallic -or squeaky sounds caused by the usual amplifying horns.

Other objects of this invention not at this time more particularly enumerated will. be clearly understood from the following detailed description of the present invention.

With the various objects of the invention in view, the said invention consists, primarily, in the novel accordion-plaited tonearm for phonographs and talking machines embodied in the clauses of the claim which are appended to and which form an essen tial part of this specification.

The invention is clearly illustrated in the accompanying drawings, in which Figure 1 is a side elevation of one form of talking machine and amplifying horn, with an accordion-plaited tone-arm made according to and embodying theprinc-iples of the present invention, said View illustrating also in connection with the said devices, one means for securing the tone-arm in its operative position with relation to the record-disk of the machine and to the amplifying horn. Fig. 2 is an enlarged top view of portions of the said accordion plaited tone-arm, said view illustrating, also, the

oscillatory relation of the parts of the said arm to each other. Fig. 3 is a view similar tothat represented in said Fig. 1, showing the application of the accordion-plaited tone-arm to that style of talking machine or gramophone in which the amplifying horn is contained in the case or box of the talking-machine. Fig. 4 is an enlarged longitudinal vertical section of the accordionplaited or bellows-portion of the tone-arm; Fig. 5 is a horizontal section of one form of support-ing bracket for the tone-arm, said section being taken on line 5-5 in said Fig. 4, looking in the direction of the arrow m, and the parts of the supporting bracket being shown in their normal initial positions. Fig. 6 is a view similar to. that represented in said Fig. 5, the parts of the supporting-bracket being represented in their operated positions when one of the armsections, with which the sound box is connected, is slightly raised so as to elevate the sound box above the surface of and out of contact with the record-disk or cylinder. Fig. 7 is a horizontal section taken on line 7-7 in said Fig. 4; Fig. 8 is a transverse vertical section, taken on line 88 in Fig. 5; andFig. 9 is a similar section, taken on lin'e99 in Fig. 6, all of said views being made upon a much larger scale.

Referring now to the several figures of v the drawings, the reference-character 1 indicates any usual form of case or box in Y which is arranged the operating-mechanism,

in this instance that of a talking machine, 2 indicating the usual motor-driven shaft, and 3 rotary supporting table mounted upon said shaft, and upon which is 'removably arranged a record-disk, as 4.

The reference-character 5 indicates any suitable form of amplifying horn which may be arranged upon the outside of the a said case or box, as shown in Fig. 1 of the drawings, 0I'-/WhiCh may beplaced within the case or box, as indicated in Fig. 3. The accordion-plaited tone-arm is indicated by the reference-character 6, and consists, usually, of three members or

sections

7, 8 and 9 which are suitably connected and operate in substantially the manner to be presently more fully set forth. The said illustrated in Fig.1 of the drawings, extend ing in an upward direction, while the elbow in the representation of the parts illustrated in said Fig. 3 extends in a downward direction, but in each case the small tubular end-portions of the amplifying horns are suitably connected with said elbows, substantially in the manner shown.

The arm-section 8 is intermediately se-.

cured and suitably connected with the respective arm-

sections

7 and 9, said section 8 bein made of a-suitable non-metallic and flexi le fabric, such as leather, or the like, and consisting of a suitable number of accordion-like plaits, as 14, or being made in the form of a bellows, substantially as shown in the several figures of the drawings. One manner of connecting the end-portions of said tubular and accordion-plaited or bellows-like arm-section 8 to the

respective metal sections

7 and 9 is by means of suitably formed binding rings or bands, as 15 and16, as represented in Figs. 1, 2, 3 and 4 of the drawings. In order that the said accordion-plaited or bellows-like arm-section 8 shall have proper rigidity or stifli'ness, and still not interfere with the flexibility of said section, suitably formed rings 17 of metal, or other suitable material, are preferably arranged within the several portions 18 of said section 8, substantially as shown in said Fig. 4 of the drawings, and the purpose of which is self-evident.

. of the drawings.

One means for operatively mounting the accordion-plaited or bellows-like tone-arm above the case or box 1 is by means of an upwardly extending arm 19 which is rigidly secured to the side of the case or box by means of screws 20, or other suitable fastening means, said arm 19 being provided at its upper end with a-ring-like support, as 21, with which the upwardly extending endportion of the elbow or arm-section 9 is operatively connected, and in such a manner that the small tubular end of an amplifying horn can be connected therewith substantially in the manner represented in Fig. 1 Connected with said arm 19 is a finger 22 formed with a supporting member, 23 which is provided with a screwthreaded hole 24., and into which isscrewed the screw-threaded shank-portion 26 of a pin or screw 25. The said screw 25 is used for rigidly, securing upon said supporting member 23 a suitably formed block, as 27, formed in one side with a vertically extending slot or groove 28. Extending from the same side of said block, and in alinement with said slot or groove 28, is another screw or pin 29 which is provided with a head 30 arranged in a socket 31 with which the member or part 32 of a second and upwardly extending supporting arm 33 is provided. A

spring 34 which encircles the said screw or pin 29, and is arranged in said socket 31, is

of such stiffness that the said parts are oscillatorily connected, so as to move in vertical planes with relation to each other, the spring holding said parts in any one of their raised and ad]usted relations, but the block 27 being still capable of rotation upon the pin or screw 25, so as not to interfere with the swinging movements of the arm-

sections

7 and 8 with relation to the fixed position of the arm-section 9, as will be clearly evident. The said arm 33 has a supporting portion 35 upon which the arm-section 7 rests, substantially in the manner shown. To provide for the proper position of the sound box 11, relatively to the record-disk, the member or part 32 of the arm 33 is preferably made with a rib or projection, as 36, which normally registers with said slot or groove 28, as shown in Figs. 5 and 8, so as to act as a stop to prevent any downward movement of the parts in the direction of the arrow 1 see Fig. 5; but, the said rib or projection 36 readily rides out of said slot or groove 28, when the arm '33 and the parts supported thereon are raised, as clearly represented in Figs. 6 and 9 of the drawings.

With the arrangement of the several devices and parts, as in Fig. 3 of the drawings, two arms, as 37 and 38 are provided, said arms being respectively secured to and connected with the said rings or

hands

15 and 16, at their upper end-portions, the

not be further described.

I am aware that some changes may bev made in the general arrangements and combinations of the several devices and parts without departing from the scope of the present invention, as set forth in the foregoing specification and as defined in the claims which are appended thereto. Hence I do not limit my invention to the exact arrangements and combinations of the several devices and parts as described in the said specification, nor do I confine myself to the exact details of the construction of the said parts, as illustrated in the accompanying drawings.

I claim l. A tone-arm comprising a series of rigid metallic sections, and an intermediate non metallic flexible section, said section being accordionplaited, so as to open and close in the direction of its longitudinal axis and also to curve to either side of said axis.

2. A tone-arm comprising a series of rigid metallic sections, and an intermediate nonmetallic flexible section, said section being aecordion-plaited, so as to open and close' in the direction of its longitudinal axis and also to curve to either side of said axis, combined with means for supporting said tonearm on the case of a talking machine or phonograph.

3. A tone-arm comprising a rigidly secured metallic arm-section upon which is mounted in a fixed position an amplifying horn, a second non-metallic flexible armsection connected with said first-mentioned arm-section, said non-metallic arm-section being accordion-plaited, so as to open and close in the direction of its longitudinal axis and also to curve to either side of said axis, and a third rigid metallic arm-section connected with said flexible non-metallic section, said last-mentioned metallic arm-section having mounted thereon a sound-box.

4. A tone-arm comprising a rigidly secured metallic arm-section upon which is mounted in a fixed position an amplifying horn, a second non-metallic flexible arm-section connected with said first-mentioned arm-section, said non-metallic arm-section being accordion-plaited, so as to open and close in the direction of its longitudinal axis and also to curve to either side of said axis, and a third rigid metallic arm-section connected with said flexible non-metallic section, said last-mentioned metallic armseetion having mounted thereon a soundbox, combined with means for supporting said tone-arm on the case of a talking machine or phonograph.

5. The combination with the case or box of a talking machine or phonograph, of an arm secured to said case or box, a finger eonnected with said arm, a supporting member connected with said linger, a pin extending from said supporting member, a swivelblock mounted upon said pin, said block being formed in one side with agroove, a pin extending laterally from said block and in alinement with said groove, said pin being provided with a head, an upwardly extend.- ing supporting arm provided with a socketed member in which the head of said lastmentioned pin is arranged, and a coiled spring within said socketed-portion, said spring encircling a portion of said last-mentioned pin, and a tone-arm carried by said arms, said tone-arm comprising a series of connected arm-sections, one of said sections being made of a flexible material.

6. The combination with the case or box of a talking machine or phonograph, of an arm secured to said case or box, a finger connected with said arm, a supporting member connected with said finger, a pin extending from said supporting member, a swivel-block mounted upon said pin, said block being formed in one side with a groove, 21. pin extending laterally from said block and in alinement with said groove, said pin being provided with a head, an upwardly extending supporting arm provided with a socketed member in which the head of said last-mentioned pin is arranged, and a coiled spring within said socketed portion, said spring encircling a port-ion of said last-mentioned pin, and a tone-arm carried by said arms, said tone-arm comprising a series of arm-sections, one of said sections being aceordion-plaited or made in the form of a bellows.

7 The combination with the case or box of a talking machine or phonograph, of an arm secured to said case or box, a finger connected with said arm, a supporting member connected with said finger, a pin extending from said supporting member, a swivelblock mounted upon said pin, said block being formed in one side with a groove, a pin extending laterally from said block and in alinement with said groove, said pin being provided with a head, an upwardly extending supporting arm provided with a socket- &- 1,094,166

spring encircling a portion of said last-men- I In testimony, that I claim the invention tinned pin, and a tone-arm carried by said I setforth above I have hereunto set my 10 arms, said tone-arm comprising a, series of I hand this 28th day of October, 1911.

metal arm-sections and an interinediately T disposed arm-section made of a flexible fab- EDMUND PEL'I llC Silld flexible fabric arm-section being ac- 'itnesses: ('Ul'dlOll-Plilll'Gd or made 111 the form of a FREDK. C. FRAENTZEL, bellows. FREDK. H. W. F RAENTZEL.