US1457243A - Drive-belt material - Google Patents

Drive-belt material Download PDF

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Publication number
US1457243A
US1457243A US375160A US37516020A US1457243A US 1457243 A US1457243 A US 1457243A US 375160 A US375160 A US 375160A US 37516020 A US37516020 A US 37516020A US 1457243 A US1457243 A US 1457243A
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Prior art keywords
belt
drive
belt material
leather
skin
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US375160A
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Harold M Gusdorf
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed

Definitions

  • the object of this invention is to provide a belt material for pulleys either side of which will bend around a pulley without puckering, thereby securing the maximum belt contact with any pulley to be driven.
  • My object is in other respects to increase the elasticity, efficiency and durability of the l5 belt.
  • Fig. 1 is a perspective view and longitudinal section of a belt illustratin my 1nvention more or less diagrammatical y.
  • Fig. 2 is an under side view of Fig. 1, showing the pits in plan, and
  • Fig. 3 is a cross section of a belt made out of pig skin in which the essential characteristics are reserved.
  • the body of the belt preferably has sinuous and wave-like warp fibers 6 running lengthwise of the belt, the waves being substantially transverse to the thickness of the belt, and weft fibers 7 on one side of the belt interwoven with the bends of the warp to firmly anchor and tie those portions together and produce a comparatively close unyielding surface on that side.
  • Other weft strands 8 run somewhat nearer straight and parallel with the surface, passing through waves of the warp, and make that side of the belt considerably more open and loose in its texture.
  • a body-material conforming as closely as practicable to the above, has indents 9 on the firm side of the belt to increase the facility for bending around small pulleys m that surface.
  • the rewithout puckerin the indents adds to the sulting closure o contacting surface of the belt and therefore to its pulling eiliciency.
  • 'A belt made out of pin skin leather in 75 which the natural fiber and grain have been preserved may be in single or in double thickness; and in the 'latter case the pitted sides may be cemented together; or a pitted side cemented to a more solid side; or the two more solid sides cemented to ther; which will afford a variety of pro uct to suit many different requirements.

Description

May 29, l923.
H. M. GUSDORF V DRIVE BELT MATERIAL Filed April 19 mid' M. @may Patented ay 29, 1923.
Deiva-BELT MATERIAL Application led April19, 1920. Serial No. 375,160.
To all ww/m. t may concern:
Be it known that I, HAROLD M. Gusnoizr,
a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented a new and useful Drive-Belt Material, of which the following is a specification.
' The object of this invention is to provide a belt material for pulleys either side of which will bend around a pulley without puckering, thereby securing the maximum belt contact with any pulley to be driven.
My object is in other respects to increase the elasticity, efficiency and durability of the l5 belt.
I accomplish the above and other objects which will hereinafter appear, by the means illustrated in the accompanying drawing, in which Fig. 1, is a perspective view and longitudinal section of a belt illustratin my 1nvention more or less diagrammatical y. Fig. 2, is an under side view of Fig. 1, showing the pits in plan, and Fig. 3, is a cross section of a belt made out of pig skin in which the essential characteristics are reserved.
Like characters of reference indicate like parts in the several views of the drawing.
The body of the belt preferably has sinuous and wave-like warp fibers 6 running lengthwise of the belt, the waves being substantially transverse to the thickness of the belt, and weft fibers 7 on one side of the belt interwoven with the bends of the warp to firmly anchor and tie those portions together and produce a comparatively close unyielding surface on that side. Other weft strands 8 run somewhat nearer straight and parallel with the surface, passing through waves of the warp, and make that side of the belt considerably more open and loose in its texture.
A body-material conforming as closely as practicable to the above, has indents 9 on the firm side of the belt to increase the facility for bending around small pulleys m that surface. The rewithout puckerin the indents adds to the sulting closure o contacting surface of the belt and therefore to its pulling eiliciency. Larger indentations or pits 10 are in the opposite or looser side of the belt for easier bending in that direction and alsoto act as vacuum cups to prevent slippin I have foun that pig skin taken from along the back of the animal has substantially the above described wavy warp fibers and weft fibers nearer straight, and that it has wrinkles in the outer or rm side of the hide and grease pits on the loose inner side; all of which natural features are preserved and amplified by proper care to increase the thickness of the leather instead of making it thinner in tanning, whereby greater pliability, elasticity, and resiliency are devel- 65.
oped than would otherwise be possible, and whereby a belt made from pig skin so tanned is superior in durability and pulling eiliciency to that made from any other leather. By actual test such a' belt made from pig I0 skin leather in accordance with this invention has developed a tensile strength of more than 4,580 pounds to the square inch of end surface. p
'A belt made out of pin skin leather in 75 which the natural fiber and grain have been preserved may be in single or in double thickness; and in the 'latter case the pitted sides may be cemented together; or a pitted side cemented to a more solid side; or the two more solid sides cemented to ther; which will afford a variety of pro uct to suit many different requirements.
Havin thus fully described my invention, what I c aim as new and wish to secure by'ss Letters Patent of the United States, is
1. As a new article of manufacture, a belt for the transmission of power formed from pig-skin leather.
2. A belt for the transmission of power the pulley-'contacting side of which is pigskin leather.
In witness whereof I have hereunto affixed si ature at Indianapolis, Indiana, this 23rd ay of March, 1920.
HAROLD M. GUSDORF.
US375160A 1920-04-19 1920-04-19 Drive-belt material Expired - Lifetime US1457243A (en)

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US375160A US1457243A (en) 1920-04-19 1920-04-19 Drive-belt material

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US1457243A true US1457243A (en) 1923-05-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5397072A (en) * 1992-08-12 1995-03-14 Minnesota Mining And Manufacturing Company Drive belt textured with bubble burst discontinuities for use in belt-driven recording tape cartridge
US20130237354A1 (en) * 2010-10-21 2013-09-12 Bando Chemical Industries, Ltd. Friction drive belt
US10151374B2 (en) * 2012-08-02 2018-12-11 Bando Chemical Industries, Ltd. Power transmission belt and belt transmission system
US11434975B2 (en) * 2018-01-09 2022-09-06 Megadyne S.P.A. Nubbed belt

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5397072A (en) * 1992-08-12 1995-03-14 Minnesota Mining And Manufacturing Company Drive belt textured with bubble burst discontinuities for use in belt-driven recording tape cartridge
US20130237354A1 (en) * 2010-10-21 2013-09-12 Bando Chemical Industries, Ltd. Friction drive belt
US9011283B2 (en) * 2010-10-21 2015-04-21 Bando Chemical Industries, Ltd. Friction drive belt
US10151374B2 (en) * 2012-08-02 2018-12-11 Bando Chemical Industries, Ltd. Power transmission belt and belt transmission system
US11434975B2 (en) * 2018-01-09 2022-09-06 Megadyne S.P.A. Nubbed belt

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