US1357381A - Sound-reproducing machine - Google Patents

Description

F. CIRELLI' SOUND REPRODUCING MACHINE.

APPLICATION FILED MAY 23. 1919.

1 57, 3 1 Patented Nov. 2, 1920.

4 SHEETSSHEET I.

Inventor witnesses Francesco 0176111,

111 5 flab/"Mia PATENT OFFICE.

FRANCESCO CIRELLI, OF PHILADELPHIA, PENNSYLVANIA.

SOUND-REPRODUCING MACHINE.

Application filed. May 23, 1919.

1 '0 all whom it may concern Be it known that I, FnANonsoo CI'RELLI, a subject of the King of Italy, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Smind-Reproducing Machines, of which the following is a specification.

One object of my invention is to provide a neat and compact sound reproducing machine which will give out a great volume of reproduced sound and which will include means so arranged that it can be readily adjusted to cause the reproduced sound to be deflected in various directions.

Another object is to so construct my invention that it will include portions so arranged that any imperfections due to an irregular or wavy surface of the record will not affect the proper rendition of the record.

Another object is to provide means whereby when the machine is playing, a hose or tube connected thereto can be led into a room or other place remote from the machine so that persons can hear the playing of the machine through the tube.

A still further object is to make my improved machine in such manner that certain of the elements can be readily taken apart so as to be stored in a comparatively small space and as such can be readily'adapted as a portable machine since the removable elements can be stored in a cabinet which can be easily carried.

Another object is to make my invention of a simple and durable construction and so that it can be manufactured and sold at a reasonably low cost.

These objects, and other advantageous ends which will be described hereinafter, I attain in the following manner, reference being had to the accompanying drawings in which Figure 1 is a top plan view of a machine constructed in accordance with my invention,

Fig. 2 is a side elevation of my improved machine showingcertain of the parts illustrated in section,

Fig. 3 is a front elevation of my improved machine,

Fig. is a fragmentary side elevation showing a different position of the horn from shown in Fig, 2,

Specification of Letters Patent.

Patented Nov. 2, 1920.

Serial No. 299,153.

Fig. 5 is a fragmentary detached perspec tive view of certain of the elements of my invention,

Figs. 6 and 7 are front end elevations showing different positions of certain of the elements of my invention,

Fig. 8 is an enlarged fragmentary sectional view taken on the line 88 of Fig. 1,

Fig. 9 is a fragmentary detached perspective view of a portion of the sound box and a portion of one of the horns, and

Fig. 10 is a fragmentary plan view partly in section showing how the hose can be coupled so as to conduct reproduced sound to a position remote from the machine.

Referring to the drawings, 12 represents a cabinet which can be of any of the usual constructions including a motor (not illustrated) and a turntable 13 which is rotatably mounted on the cabinet and driven by the motor. A lid 14 is hinged at 15 to the cabinet 12 and has a plate 16 secured thereto in which is screwed a standard 17. The standard 17, when the lid 14 is open, provides a bearing for a pivot post 18, said post being adapted to be freely inserted within or removed from the standard 17. The post 18 has an arm 19 and said arm either can be made solid or hollow and merely acts as a supporting member as will hereinafter be described. A block 20 which is preferably made hollow and open at its end, as shown at 21 (Fig. 8), is hinged at 22 to the arm 19. The front end 23 of the block 20 is closed and a pivot bolt 24 extends through and is secured to the end 23. An elongated hollow head 25 is pivotally mounted on the bolt 24 so as to be free to swing; said pivot bolt 24: being located substantially midway between the ends of said hollow head. The block 20 has a cup-shape housing 26 which is open at its front end and into this housing extends a pin 27, said pin being secured to the top of the elongated head 25 by screws 28. The pin 2'? is of smaller width than the internal width of the housing 26 so that the head 25 is permitted to swing to the extent of the difference in width between the pin 27 and the interior of the housing 26, as clearly the extreme top, while the slots '32 are positioned below the level of the slots 31, for a purpose hereinafter to be described. The head 25 has an opening 33 in'its iront end, said opening being surroundedby a flange 34. A cap 35 normally ts the flange 34 and closes the opening 33. r

A double sound box 36 includes two rings 37 and 38 which are spaced ,apartby spacing blocks 39 and 40. The rings 37 and 38 respectively support diaphragms 41 and 42. Th sediaphra-gms are separately con nected by arms 43 and 44 to a common'stylus head 45, said stylus head having a single needle holder 46 thereon, adapted to-secure the needle 47 which operates on the record 43 which is placed on the turntable 13, i-nthe usual manner. The ring 37 has a tubular extension 49 which is adapted to fit within the hollow end 30 of the head 25 and has a pin 50 which enters the slot 31 'insaid end. The ring 38 has ahollow extension 51 which fits within a hollow hub end oi: a horn 53, said extension 51 also having a pin 54 which isadapted to (inter either of two notches 55 and 56 in the hub end 52 of the horn 53.

A. second horn57 has a hub end 58 having a pin 59 thereon, said hub'end being adapted to fit within the end portion 29 OIElZllB-hQflCl 25 so that its pin 59 can engage either of the slots 31 011-32. Asillustrated in Figs. 1, 2 and 3, the horns 53 and 57 are substantially vertical so that reproduced sound passing therethrough will :be directed upwardly, and in Fig. 4is shown a position where the horns=can be-secured in an in clined position so as to deflect the sound forwardly according to the desire of the operator.

As shown in; Fig. 10, ahose 60 has a terrule 61 which is of such diameter as to it within the opening 33 in the'head'25. The inner end 62 of the-ferrule 61 extends at a curve intersecting the axis of said ferrule andis a-rranged'tointersect a portion of the sound passing through the head 25 and defleet it :through .the hose 60.

In the operation of my improved machine, the vibration will be jointly-imparted to the respective diaphragms 41 and 42 and the soundproduced by the diaphragm vibrations will be respectively. induced into the head 25 and the horn 52. The sound waves passing into the head 25 will pass through the horn 57 so that distinct sounds will pass out or the horns 53 and 57. By pivoting the head 25 so that the horns 53 and 57 are located at opposite sides of the pivotal axis or in other'words at opposite sides of the pivot bolt 24 there will be a partial balance of weight permitting the excess weight on the side including the sound box, so that the latter will engage the record with sutiicient weight'to properly hold the needle in en- .whenthe record of a voice is being played.

gagemcnt with the record. If desired, the horns 53 and 57, as previously stated, can be swung into anangular or inclined position, which would be a suitable position To remove the elements from the top of the machine, it is merely necessary to raise the post 18 out of the standard 17 and to unscrew the standard 17 from the plate 16. The horns 53 and 57 can be easily removed from the head 25 a-nd the several parts can be readilystored in a comparatively small space. i

The hinge 22 permits the block 20 with the head 25 and horns 53 and 57 thereon to be swung into a position indicated in dotanddash lines in Fig. 2. This movement will remove the sound box from therec'ord and the weight of the holes is suihcient to hold the parts in their raised position.

While Ihave described my invention as Having @thus described my invention, what I claim as new and desire to secure by Letters Patent is 1. The combination in a sound reproducing machine including a turntable, of anarm extending over saiditurntable; ahollow head pivotally @supported between its ends by said-arm and extending transversely to the length of said-arm above said turntable; alhorn supported by said head at one side of its pivot and communicating with the interior of said head; and a sound box supported-by said head at the other side of its pivot and communicating with the interior of said head; substantially as described.

2. The combination in a sound reproducing machine including a turntable, of an arm; a member movably connected to said arm and swingable upwardly and downwardly above said turntable a hollow head pivoted to said member so as to swing in the. path transversely to the path of swinging movement of said member 011 the arm; a sound box connected to said head and communicating with 'theinterior thereof; a horn connected to said head and communicating with the interior thereof; and means providing a pivotal support for said arm whereby the latter can be swung in a path substantially parallel withthe plane of movement of the turntable; substantially as described. 7

3. Avsound reproducing machine includin a supporting structure providing a hearing; a post freely pivoted within said bearing; a supporting arm on said post; a block hinged on said supporting arm; a hollow head pivoted between its ends to said block; a hornconnected to said head at one side of its pivot; a sound box secured to said head on the opposite side of its pivot; and a pin on said head and adapted to swing into engagement with a portion on said block; substantially as described.

4. A sound reproducing machine including a supporting structure providing a bearing; a post freely pivoted within said bearing; a supporting arm on said post; a block hinged on said supporting arm a hollow head pivoted between its ends to said block; a horn connected to said head at one side of its pivot; a sound box secured to said head on the opposite side of its pivot; a

housing; and a pin on said head adapted to enter said housing and engage on opposite sides thereof; substantially'as described.

5. In a sound reproducing machine, a supporting arm; a cup shape housing on the arm; and a transversely extending sound conducting head pivotally connected to said arm and having a pin extending into said housing for limiting the swinging move ment of the head; substantially as described. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

FRANCESCO OIRELLI. lVitnesses:

ANNA RnN'roN, CHAS. E. POTTS.

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