Low backlash-high-torque power transmission system and toothed b

Details Low backlash-high-torque power transmission system and toothed b Low backlash-high-torque power transmission system and toothed b

1982-10-20

1985-05-07

Novosad, Stephen J.

Endless belt power transmission systems or components

Positive drive belt

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

474205, 474153, F16G 520, F16G 128

Patent

active

045155771

ABSTRACT:
A flexible power transmission belt having a plurality of teeth each of which has a pair of arcuate convex flank portions which in longitudinal cross-section closely approximate to an arc of a circle. Each tooth exhibits a height to width relationship within a predetermined range, and the arcuate flanks each have a pressure angle within a predetermined range. The belt is preferably used in combination with a toothed pulley whose teeth are substantially conjugate to the belt teeth and whose cavities between the teeth have a height to width relationship within another predetermined range and have concave flanks exhibiting a pressure angle in still another predetermined range, said belt tooth width being approximately 0.98 of the pulley cavity width so as to provide a high torque positive drive power transmission system having minimum backlash.

REFERENCES:
patent: 2937538 (1960-05-01), Worrall
patent: 3756091 (1973-09-01), Miller
patent: 3924481 (1975-12-01), Gregg
patent: 3969946 (1976-07-01), Gregg
patent: 3977265 (1976-08-01), Worley et al.
patent: 4041789 (1977-08-01), Hoback
patent: 4233852 (1980-11-01), Bruns
patent: 4337056 (1982-06-01), Bruns
patent: 4403979 (1983-09-01), Wujick

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