Chain device

Details Chain device Chain device

1979-05-18

1980-10-14

Husar, C. J.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

198834, 198843, 474161, F16H 5530

Patent

active

042274222

ABSTRACT:
A chain device including a sprocket wheel, a buffer ring provided on one side of the sprocket wheel for rotation relative thereto, and a chain meshing therewith. The buffer ring has an outer diameter greater than the inner-diameter dimension of a semicircular-shaped portion of the chain which is in meshing engagement with the sprocket wheel. Thus, when the chain and sprocket wheel are in meshing engagement with each other, the buffer ring is restrained and forced by the inner-diameter part of the semicircular-shaped portion of the chain, so that the ring is deformed into an elliptical shape. Each of the link plates which form the chain includes a depressed portion having a curved shape coinciding, in its radius of curvature, to the maximum radius of curvature of the elliptically-deformed buffer ring. Such curved shape of the depressed portion of the link plate contributes to the improvement of durability of the buffer ring, as well as to reduction of chain noise.

REFERENCES:
patent: 2003528 (1935-06-01), Best
patent: 3597985 (1971-08-01), Jeffrey
patent: 3958837 (1976-05-01), Chagawa
patent: 4034618 (1977-07-01), Groff et al.
patent: 4087136 (1978-05-01), Boggs et al.
patent: 4141602 (1979-02-01), Boggs et al.

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