US1534120A - Endless belt - Google Patents

Description

April 21, 1925.

W. HOWARTH ENDLESS BELT Filed Dec. 22, 1922 //VVE/VTOR,'

7 WWMMWM' ATT'Y.

Patented Apr. 121, 1925i u g UNITED STATES PATENT OFFICE.

WILLIAM HOWARTI-I, F ROCHDALE, ENGLAND.

ENDLESS BELT.

Application filed December 22, 1922. Serial No. 608,516.

To all whom it may concern: an endless and jointless hand. Such a joint- Be it known that 1, WILLIAM Howlinrn, less band when out from a piece of thin ilexia subject of the King'of Great Britain, rcble leather or other material is particularlv siding at Marland, Rochdale, in the county suitable for use with small diameter pulleys, 45 of Lancaster, England, have invented new for which purpose a joint or fastening in a and useful Improvements in Endless Belts, belt is an objection, and a source of weakof which the following is a specification. ness.

The invention relates to the manufacture The method is also applicable for cutting of endless and jointless belts or hands from round leather belting, irom leather or the 50 pliable or flexible material such leather in requisite thickness. The belt in this case, an economical manner whereby waste of maafter cutting, is rounded in the usual way. terial is reduced to a minimum. To effect The lengths of belt which may be made in this object, according to the invention a accordance with my invention are limited piece of leather or other desired material is only by the size or area of the piece of mate- 5 marked out in closely set coils the coils being rial.

double the width of the belt required, com- WVhat I claim as my invention and desire mencing with a loop at one corner of the mm to secure by Letters Patent is 1-- terial and terminating with a loop at or near '1. The method of forming an endless belt, the centre. The width of the strands of the which consists in cutting the material from 20 loop is the width of the belt and the double which the belt. is to be made to form a comwidth of the rest when out from the piece is pact coil, said coil being twice the desired divided along the centre from loop to loop to width of the belt and merging at its oppocorrespond with the width of the loop site ends into loops, the width of the matestrands and when so cut will open out to rial of the loops being that of the desired 25 form an endless and jointless band. width of the belt, and cutting along the cen- The accompanying drawing illustrates the ter line of the 0011 from loop to loop. i ti l l 2. The method or torming an endless belt,

A piece of leather or other material is used which consists in marking a series oi? lines and is indicated at a. This piece a will be upon the material from which the belt is to marked out as shown. The full lines reprcbe cut to form a compact coil, said coil being sent the spiral coils designed to fill as much twice the desired width of the belt and mergas possible the area 01'. the material a and ing at its opposite ends into loops, the width these full lines of the coil are double the of the material of the loops being that of width of the intended belt or band. The the desired width of the belt, cutting along ends of the coil terminate in loops, the proper the lines forming the coil, a line drawn along width of the belt, and when the coil is cut the center of the coil from loop to loop, and out, as marked, from the piece a, there is left cutting along said line. as waste the shaded part only. The cutting In testimony whereof I have signed my is then continued from the loops along the name to this specification. dotted line to divide the material forming the coils which can then be opened out into WILLIAM HOVVAlrl II-I.

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