US787919A - Machinery-driving belt. - Google Patents

Description

No. 787,919. Patentec'i April 25, 1905.

UNiTiZD STATES ATENT @muce.

JAMES HEi'DB-Y, ALEXANDER HENDRY, AND DIALUOLM A. IIICNDRY, OF (.iLASGOlV, SCOTLAND.

lVlACHlNERY-DRIVING BELT.

SPECIFICATION forming; part of Letters Patent No. 787,919, dated April 25, 1905.

Application tiled May 20,1904. Serial No. 208,857.

ll'lmm/ if W secured together by stitching, as indicated at Beitlcnown that we, .laiins HENDRY, ALnX- C. In this case each strip B has a thin an- AN'DIGII l'lliNDRY, and MALCOLM ALLA}? llnxgled strip 6 (indicated in dotted lines in Fig. our, belting iiianut'acturers, subjects of the 1) cut oti' the edge at the driving side of the 5 King of (treat Britain and Ireland, and resi belt. 5

dents ot'Glasgow, Scotland, haveinvented cer- Figs. and l, similarly illustrate the contain new and use tullmproveiiients in hlachinstruction of a belt tor ordinary driving purery-Driving Belts, (for which an application poses, but suitable for running over very tor a patent has been liled in Great Britain, small pulleys. In this case the strip 6 is cut [O No. 20,098, hearing date the 18th of Septemott' both edges of the strip B. her, 1903,) of which the following is a speci- Figs. 5 and 6 illustrate the construction of l'ication. a belt for ordinary driving purposes, but suit- This invention has reference to and comable for use in cases where a tightening-pulprises improvements in machinery-driving ley is used. In this case the strip/1 is cut otl' 5 belts, being laminated belts constructed of a each strip B at one edge on both sides 01 the number of strips of leather, rectangular in secbelt. tion, bound together to form a flat band by Figs. '7 and 8 illustrate the construction of stitching or equivalent means, by which such a belt for ordinary driving purposes, but snitmachinery-driving belts are rendered more able for running over a series of pulleys. In

20 pliable and capable of bending more freely this case the strips are cut otl' of each strip 5 round pulleys when in use. B at all four edges.

The belts constructed in the manner re- The strips may be cut oil in any suitable t'erred to are formed of strips of leather laid cutting-machine, and their removal allows of side by sideand secured together by stitching the expansion of the strips of leather caused 5 orotherwise; andouriniproveinents consist in on the concave side by the bending of the 7 having a small space or interst-iee between the belt and gives the belt increased pliability edges of each strip on the driving side of belt without decreasing its driving power.

or it maybe on both sides and which are Having now described our invention, what formed bv cuttin away a small stri or )art we claim as new, and desireto secure by Let- I I c I I 1 I I 3 ot each strip constituting the belt 'trom one or ters Patent, is-- more of the side ed es which are to lie toi\laeliinery-driving belts of the laminated I I a D I I I I I I ward the drivin side oi the belt, and it may tv )0 com )rising continuous stri )S M leather I b I I e be the o iosite ed es also. havin narrow an led stri )S eutotl their ed es 5 b In order that others skilled in the art to laid side by side and secured to ether by I I I I I I I b 35 which our invention relates may properly unstitching substantially as described. derstand same, we have hereunto a) )ended In testimony whereot we have si ned our I I I I I I I I h I one sheet ot ex lanatory drawin s in which names to this s iecihcation in the )resence oi 5-. D. Figures 1, 3, o, and i show sections through two subscribing witnesses. single strips, while Figs. 2, a, 6, and 8 show TLUIFS HFYDLY 4 transverse sections through completed belts. T HF'NDRY Fig. 9 is a plan of part of a belt constructed J L r f, as Shown by Figs. 2 and 4. MALLOLM A. Illui l)lt.'l.

Figs. 1 and 2 illustrate the construction of \Vitnessesz a laminated belt for ordinary driving pur- R. (J. 'liimisox,

+5 poses composed of a series of strips A and B, Tiioiuixs B. Bianvxmn.

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