US1399714A - Brush for talking-machine records - Google Patents

Description

1. F. AND w. BORST. BRUSH FOR TALKING MMIHINE RECORDS. APPLICATION FILED FEII. I. I92I- 1,399,714. Patented Dec. 6, 1921.,

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To all whom it may concern:

Be it known that we, JOSEPH F Bons'r and WILLIAM Bonsr, both citizens of the United States, and residents of the city of New York, borough of Brooklyn, in the county of Kings and State of New York, have invented a new and Improved Brush for Talking-Machine Records, of which the following is a full clear, and exact description.

The present invention relates to new and useful improvements in talking machine appliances, and it pertains more particularly to an attachment for the sound box or reproducer thereof. a

It is the primary object of theinvention to provide a brush attachment for talking machine sound boxes.

It is a further object of the invention to provide a brush which is capable of use with sound boxes so mounted as to adapt them for playing records of both the hill-and-dale and lateral types.

It is a further object of the invention to so construct a brush of this character that it will in either position engage the record in advance of the stylus of the sound box and in the path of the stylus in order that the sound grooves may be cleaned of foreign matter before they are engaged by the stylus.

Brushes have heretofore beenused in this connection but have ordinarily been attached to the tone arm of the talking machine rather than to the sound box itself, which method of support has disadvantages in that the path of thebrush and the path of the stylus are not always coincident which is especially true during the playing of the central part of a disk record, and it is a further object of the invention to so mount the brush that its path of travel will at all times coincide with the path of travel of the stylus.

With the above and other objects in view, reference is had to the accompanying drawings, in which- Figure 1 is a side view of a sound box showing the position of the brush thereon, the sound box in this figure being shown in the position to play records of the hill-anddale type;

Fig. 21s a side elevation of the sound box when in the position to play records having lateral undulations;

Fig. 3 is a detail view of the brush head;

Fig. 4c is a detail view of one form of collar for the brush;

Specification of Letters Patent.

Patented Dec.6, 1921.

Application filed February 1, 1921. Serial No. 441,602.

Fig. 5 is a detail view of a modified form of collar.

Fig. 6 is a detail elevational view partly in sectionshowing a single brush applied to the sound box;

Fig. 7 is a detail perspective view of a slightly different form of brush.

Referring more particularly to the drawings, the reference character 10 designates the tone arm, and 11 designates the sound box. Extending from the sound box 11, is anextension 12, which extension 12 forms means for pivotally mounting the stylus bar 13 and stylus 1 1, the pivotal point thereof being indicated by the reference character 15. i

Referring to Fig. 4-, it will be seen that two brushes 16 and 17 are employed, and these brushes 16 and 17 are secured to the sound box 12 by a substantially U-shaped member 18,.which member is adapted to embrace. the extension 12 of the sound box 11. This U-shaped member 18 is formed of any suitable materialpossessing resilient qualities and is adapted to supportthe brush 16 by means of an arm 19 bent backwardly upon itself as indicated by the reference character 20. Projecting from one side of the member 18, as indicated by the reference character 21, is a right-angular arm 22, upon which the brush 17 is mounted, the brush 17 being" mounted at right angles to the brush 16.

As above stated, the member 18 is formed of resilient material, and we have found from experiment that celluloid serves the best purpose since by employment of this material the brushes are insulated with respect to the sound box, and the transmission of noises due to the brush traveling over the record to the sound box is greatly modified, if not entirely eliminated by the use of this material.

In Fig. 5, the ends 30 of the member 18 are extended as indicated by the reference character 31, to embrace said member 18, and the arm 19 upon which the brush 16 is mounted is secured to the member 31 instead of to the base of the member 18 as in Fig. 4:. In this form of the invention, the arm 22 upon which the brush 17 is mounted is likewise secured to the member 31 instead of to the side of the member as in Fig. 4:.

When the brush-carrying and attaching member is constructed as shown in Fig. 5, greater resiliency in the mounting of the tion o f'the brush will be more clearly set forth and the same comprises a'brush head 35 in which the brushes 36 are secured. These brushes 36. are of two different types, 2'. 6., soft pliable bristles 37 formed from suitable hair of a soft nature and more rigid or stiffer bristles 38. In the operation of the brush, the stiffer and more rigid bristles 38 areadapted to loosencparticles of foreign .matter resting in the grooves" of the record,

and the softer bristles 37 are adapted to pick up theseforeign particles, said soft bristles carrying the foreign matter and removing it from the record.

In Fig. 6'is shown a single brush for attachment to talking machine sound boxes and in this form'a double U-shaped class 40 is employed and projecting from this double U-shaped clasp 40 is a. resilient arm 41 by which the. brush 36 is carried. In this form of the invention the U-shaped resilient clasp 40 is adapted to embrace a peripheral edge of the sound box 11 thereon in order that the brush 36 may be varied. In Fig. 7 the brush 36 is carried by the arm 41 as inFig. 6. The clasp, however, in this form consists of a single U-shaped member 43, one end 44 of which is adapted and is adjustable pressure of the to engageabout the edge of the sound box,

the otherend 45 being curled as indicated by the reference character'46 in order to provide resilient means for attaching the same to the sound box 11.. In this form of theinvention the clasp 43'is adapted to en-- peripheral edge of the sound box gage the as in Fig. 6.

From the foregoing-it will be apparent that the present invention provides in addition to the new and novel form of brush for the purpose intended, a new and novel 1. As an article of manufacture, a cleaning device for talking machine records com prising a single attaching frame, and a plurality of cleaning elements carried by said frame and angularly disposed with respect to each other.

2. In combination withthc sound box of a talking machine, said sound box being capable of functioning in more than one position, a frame carried by the sound box, and a plurality of brushes carried by said frame and angularly disposed with respect to each other in such a manner that a brush will assume a position in the path of travel of the sound box needle in any of its playing positions.

3. In combination with a talking machine sound box of the Universal type, a frame removably carried by said sound box, a pair of angularly disposed arms projecting from said frame, and a brush carried by each of said arms substantially as described.

4. In combination with a talking machine sound box of the Universal type, a frame carried by said sound box, a pair of arms arranged at right angles one to the other, said arms projecting from said frame, and a brush carried by each of said arms, as and for the purpose set forth.

5. A cleaning attachment for talking machine sound boxes comprising a resilient frame adapted to embrace a portion of the sound box, resilient arms projecting from said frame, and a cleaning element mounted on each of said resilient arms, as and for the purpose set forth.

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