Toothed belt

Details Toothed belt Toothed belt

1983-01-25

1985-05-21

Novosad, Stephen J.

Endless belt power transmission systems or components

Positive drive belt

Drive surfaces on belt formed in or interconnected by...

474204, F16G 128

Patent

active

045183759

ABSTRACT:
A drive belt (10) having an elongated body (11) provided with tensile cords (12). The belt is provided with teeth, or cogs, (13) and a two-ply reinforcement is provided on the surface of the teeth, or cogs, including an inner layer (15) and an outer layer (17). The inner layer is formed of parallel yarn, or twine, elements (16), which may be spirally wrapped to extend in the longitudinal direction of the belt. The outer layer is formed of a woven or knit cloth, and in the illustrated embodiment, is formed of a sailcloth having a highly elastic warp extending in the longitudinal direction of the belt and an inelastic weft for providing improved transverse rigidity and strength. The first layer yarn (16) and second layer warp (19) preferably have a ductility of greater than 50%. A number of candidate materials for the high ductility yarns is disclosed.

REFERENCES:
patent: 3156128 (1964-11-01), Williams
patent: 3404578 (1968-10-01), Koch et al.
patent: 3621727 (1971-11-01), Cicognani
patent: 3937094 (1976-02-01), Cicognani
patent: 4276039 (1981-06-01), Takano

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