US1127549A - Leather belting. - Google Patents

Description

E. A. USINA.

LEATHER BELTING.

APPLICATION FILED now-16, 1912.

1,127,549, Patented Feb. 9, 1915.

WITNESSES.

ATTORNEY I THE NORRIS PETERS 60., PHOTO'L'THOJ WASHINGTON. D. C.

EDMUND A. USINA, 0F NEVI YORK, N. Y.

LEATHER BELTING.

Application filed November 16, 1912.

To all whom it may concern:

Be it known that I, EDMUND A. UsixA, a citizen of the United States, and a resident of the borough of Manhattan, city, county, and State of New York, have invented certain new and useful Improvements in Leather Belting, set forth in the following specification.

This invention aims to provide a lapped joint for leather belting by which the belting is reinforced at its weakest points, substantially the full length of the hide is used, and an economical strong belt with practically uniform thickness throughout is obtained.

The accompanying drawing illustrates in perspective an edge of a belt embodying the invention.

In making leather belting a side of the hide is first cut into strips of the width of the belt desired and the ends of these strips are then scarfed or beveled at the ends and cemented together to make a long belt. The shoulder end of the hide is thinner than the rear end and also stretches more; so that after stretching there is a marked difference in the thickness between the two ends of the strips which are cut from the hide.

Consequently in the finished single belt there are usually material variations in the thickness. The thinner portions of the leather are at the alternate joints. This is remedied to some extent in practice by making the scarfed face on the weaker ends of the strips slightly convex so that when two such ends are cemented together the central portion of the joint is slightly thicker than would be the case if the scarfed face were perfectly flat. This gives the desired increase in the thickness of the joint, but still leaves thin places adjacent to the joint. According to this invention these weak portions adjacent to the joint are reinforced by means of small thin pieces of leather which are very cheap and which can be applied with very little expense; making a belt of substantially uniform thickness and strength throughout its length at a cost which is little or no greater than that of the ordinary belt where no such reinforce is provided.

The accompanying drawing is a perspective view of a portion of a belt embodying the invention.

Referring'to the embodiment of the invention illustrated A and B are the thin ends of strips of leather cut from a hide in Specification of Letters Patent.

Patented Feb. 9, 128715.

Serial No. 731,699.

the manner above described. These ends are scarfed along a line C of such shape that when lapped and cemented together the thickness of the joint between approximately the points D and E will be equal to the thickness of the ordinary scarfed joint F which is made between two butt ends of the strips. The strips are alternately reversed so as to alternate in the length of the belt a joint formed of two shoulder ends and a joint formed of two butt ends. Upon the end A commencing at approximately the point D and extending backward therefrom is a thin reinforcing strip G tapered and extending back to such a distance as to compensate for the thin portion of this end of the leather so as to bring the. entire end A to a substantially uniform thickness. Upon the end B and extending backward similarly from the point E is a thin strip H tapering backward a sufficient distance to compensate for the reduced thickness of the part B. The joint from D to E, as Dreviously explained, is readily made of any desired thickness by suitably shaping the scarfing line C. Therefore, from the rear end of the reinforce G to the opposite end of the reinforce H the desired thickness is maintained and by suitably designing the pieces G and H the desired uniformity is preserved. By reason of the use of the reinforces G and H the lap may be made comparatively short,shorter than in the ordinary case where no such reinforce is provided; and thus a saving in the leather effected sufficient to compensate for the cost of the pieces G and H.

The reinforcing pieces G and H may be cheaply applied to the side of the leather before cutting it into strips. F or example, the belt may be cheaply made as follows: A. reinforcing strip, corresponding to the piece H but extending clear across the width of the side of leather may be applied to the latter, beginning at the point where the reduction in thickness is first noticeable and extendin to the point at which the scarfing is to begin. On another side of leather a strip corresponding to the reinforce G and extending clear across the width is similarly applied. Both reinforcing strips are preferably applied to the flesh side of the leather. One of these sides is then beveled from the flesh side to the grain side, like B in the drawing, and the other is beveled from the grain to the flesh side like A. in the l l 1 l l drawing. The sides are then cut into strips of the desired Width and cemented together in a hydraulic press. Or the strips may be out first and the scarfing accomplished after- Ward.

.What I claim is 1. A leather belt having a scarfed joint which is thicker than the adjacent portion of the leather and a reinforce applied to said adjacent portion to increase its thickmess to substantially that of the joint.

2. A leather belt composed of strips With their ends scarfed together to form a joint of greater thickness than that of the leather adjacent thereto and reinforcing means for increasing the thickness of the adjacent leather to substantially that of the joint.

3. A leather belt composed of strips Which have one end thinner than the other and of which the joints are made alternately of two thick ends and two thin ends, the joint of the thin ends being thicker than the thickness at such points to approximately the same as that of the joint.

- In Witness whereof, I have hereunto signed my name in the presence of tWo subscribing Witnesses.

EDMUND A. USINA.

Witnesses:

D. ANTHONY UsINA, LULU STUBENvoLL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. 0.

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