US1034086A - Spool for perforated music-rolls. - Google Patents

Description

G. H. DAVIS.

SPOOL FOR PERPORATED MUSIC ROLLS.

APPLICATION FILED 312.27, 1909.

1,034,086. Patented'July 30,1912

ATTORNEYS W /kfmm GEORGE HOWLE'I'T DAVIS, OF WEST ORANGE, NEW JERSEY.

SPOOL FOR PERFORATEI) MUSIC-ROLLS.

Specification of Letters Patent.

Patented July 30, 1912.

Application filed February 27, 1909. Serial No. 480,307.

To all whom, it may concern:

Be it known that I, GEORGE HowLETT DAVIS, a citizen of the United States, residing in the town of West Orange, county of Essex, and State of New Jersey, have in vented new and useful Improvements in Spools for Perforated Music-Rolls, of which the following is a full, clear, and

exact description, such as will enable others skilled in the art to which it pertains to make, construct, and use the same, reference belng had to the accompanying drawings hereln.

My invention relates to that class of. spools which is designed to carry the perforated strip, ordinarily used in automatic or player pianos, and has forits specific object the adaptation of a spool of greater length to the present standard bearings, commonly used in automatic or player pianos. These bearings for standard player pianos have almost universal characteristics, as-to dimensions, distance apart, and details of constructlons, and are deslgned to carry perforated music rolls, for either what is known as a 58 note or 65 note player. Recent work along this line, among the manufacturers of player pianos, has developed a demand for a wider standard of roll, and music rolls are now being 'made.

rolls may be used upon the wider or larger standard player pianos.

The use of the 88 note roll has necessitated a change in the construction of the spool upon which the roll is mounted, in order to adapt it to the old bearings and at the same time provide a wider roll of paper to cover the 88 apertures in the tracker board, and it is to accomplish this adaptation of the 88 note music roll to present standard conditions, that my present invention is directed; and at the same time in the constructions of such music roll spool to reduce the actual number of parts to a minimum, so that the complete structure.

may be at the same time durable and of inexpensive constructlon.

Figure 1, is the plan view of my improved music roll spool, mounted in bearings of the usual type connected with a player piano. Fig. 2, is a sectional plan view ofboth spool and bearings. Fig. 3, is an end view of the left-hand flange of the spool. Fig. 4, is a view of the right-hand flange of the spool. Fig. 5, is a section on line m--m of Fig. 4.

In carrying out my invention, I make use of the devices hereinafter described.

In Fig. 1, as above stated, I have shown a plan view of so much of the supporting frame for the bearings, as is necessary to illustrate their connection with my improvement. l

1, 1 represent-s the side rails or frames which form a part of the piano frame structure. These side frames, 1, 1, carry the bearings 2, 3, which support the pivots for the music roll proper. These bearings may be of any desired or usual structure; those illustrated being the ones in common use. The bearing, 2, consists of the flanged sleeve as shown in Fig. 2, which is secured to the side of the frame 1, by means of screws. As illustrated, the sleeve portion enters a cylindrical aperture through the side frame 1. Vithin this sleeve bearing is located a spindle 4, said spindle being provided with a collar 5, secured thereto by means of the set screw 6. From this set screw 6, the spring 7 extends and has its opposite end connected in any convenient manner either to the frame 1, or to the flange of the sleeve bearing 2. The inner end of this sleeve bearing is provided with a sleeve collar 8, rigidly connected to the spindle 4, said sleeve collar being counterbored as at 9, to receive a loose bearing or spindle socket 10. Said spindle socket is held in position within the counterbored portion of the sleeve collar by means of the set screw 11, which runs in a groove 12, located in the circumference of said spindle socket 10. The exposed end of the spindle socket is provided with an exterior collar portion 18, and an axial spindle socket proper 14, said socket 14, being designed to receive the ordinary spindle of a 58 or 65 note spool. The opposite bearing 3, consists of the ordinary sleeve,,as shown, set into the frame or side piece 1, and it .forms a bearing for the live spindle 15,

from which the spool hereinafter more specifically described, is driven. The inner end of the spindle 15, is provided with a head 16, slotted at 17, to receive a thimble 18,

said thimble being provided with a cross pin 19 which takes into the slot 17 When this thimble 18 is removed, the standard music roll spool can be inserted into the socket 14 of the bearing of the opposite side, with the wing pivot of the spool inserted in the slot 17 Thus, it will be seen that the bearings for the improved spool need not be changed in any particular, and allthat is required in addition thereto isthe provision of the thimble 18.

I will now proceed to describe my improved spool. A is the body of the spool proper, and consists of a cylindrical piece of wood provided at the right-hand end with a reduced portion, 13. to receive the end flange G. This reduced portion B is made a trifle longer than the thickness of the flange C, if desired, so that a small adjustment may be provided for the effective length of the spool which carries the perforated roll. The flange C, as indicated in Fig. 4,,has a central aperture which takes over the reduced portion B of the spool body A.

In order to provide against the relative rotation of the flange C and the spool body A, I provide in the spool body, a diametrical slot D, said slot running into the spool body A to some distance, as clearly shown in Fig. 2.

Inserted into the inner side of the flange C, and diametrically across the aperture .therethrough, is the cross piece E, said cross piece being received into the slot D, and when so positioned, prevents the relative rotation of the flange C and the spool body A.

In some cases, if desired, instead of providing the slight adjustment for this end of the spool, I may dispense with the cross piece E. Under these circumstances, the flange C may be rigidly secured to the spool body A, by gluing the same thereto.

The spool body A, as shown in Fig.2, is made up of two parts, the main body, and the adjustable end A The part A is of the same diameter as the main body A, and secured to the said main body A by means of the wing screw F, which passes axially through the adjusting part A and into the main body A, as clearly shown in Fig. 2. This adjusting part A has the reduced portion A to receive the flange G, said flange being rigidly secured as to said reduced portion by means of glue. The outer end of the adjusting part A is provided with a frusto-conical, countersunk cavity 21, to receive the frusto-conical end 13 of the spindle bearing 10.

The purpose of the adjusting end A is to vary the distance between the flanges Gr and C. It is well known, that the paper of which the perforated music roll is made is subject to contraction and expansion through changes of temperature and humidity in the atmosphere. In order, however, to correctly render a plece of music by means of the perforated music roll, such roll must track perfectly over the tracker board, and

in order to track perfectly, it must run evenly between flanges of the spool, so that it becomes necessary that the flanges be, adjusted to a distance apart equal to the exact width of the paper, either in its contracted or expanded condition. It becomes necessary, therefore, to provide some means for adjusting this distance, and, I have chosen the same means herein, that are described and claimed in my prior Patent No. 893,571, dated July 14, 1908.

By the above described improved spool, it willbe noted that I have utilized a greater portion of the space between the spindle bearings 2 and 3, for the actual width of the music roll, and by so doing, I am enabled to use a wider paper and consequently provide for the, new standard 88 note music, and this I have been able to accomplish without in any manner changing the old bearings nor their distance apart, thus leaving them in proper shape to receive the spindle or spools carrying 58 note or 65 note music rolls.

I claim:

1. In a music roll spool, a cylindrical spool body comprising two sections. in adjustable alinement with each other, a frustoconical socket in one end of said body, and a slotted socket in the opposite end of said body, and spool flanges upon the ends of said body, one of said flanges being adj ustable longitudinally of said body.

2. In a music roll spool the combination of a cylindrical spool body, having a diametrical slotin one end thereof, an apertured flange fitted over said slotted end, and a diametrical cross piece secured in the aperture of said flange and fitted into the slot of said end to prevent relative rotation between said flange and body.

3. In a music roll spool the combination of a cylindrical spool body having a frustoconical socket in one of its ends and a diametrical slot in its other end, apertured flanges secured to each end of said body one of said flanges being longitudinally adjustable upon said body.

4. In a music roll spool the combination of a spool body having a conical socket in one of its ends and a diametrical slot in its other end, a flange secured to each end of said body, one of said flanges being longitudinally adjustable upon said body.

GEORGE I-IOWLETT DAVIS.

Witnesses:

R. D. EVANS, LoUIs M. SANDERS.

cqpies of this patent may be obtained for five cents each, by addressing the Commissioner of Eatents,

Washington, D. G.

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