Randomized sprocket for roller chain

Details Randomized sprocket for roller chain Randomized sprocket for roller chain

1998-09-15

2000-12-05

Charles, Marcus

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

160152, 160157, F16H 706, F16H 5512

Patent

active

061559431

ABSTRACT:
A roller chain and sprocket drive with a randomized sprocket which modulates the roller position on the sprocket by varying the radial seating position of the roller while maintaining a constant chordal dimension between seated rollers. The roots between teeth of the sprocket have radii that vary between a nominal radius and a maximum radius and a minimum radius. This variation or randomization is intended to provide a noise modulation effect while avoiding the negative effects of high impact from conventional randomized sprockets.

REFERENCES:
patent: 2259937 (1941-10-01), Klaucke
patent: 2667792 (1954-02-01), Blendall
patent: 3752035 (1973-08-01), Cozzy et al.
patent: 3880478 (1975-04-01), Baylor
patent: 4116081 (1978-09-01), Luttrell et al.
patent: 5876295 (1999-03-01), Young
patent: 5921878 (1999-07-01), Young
patent: 5921879 (1999-07-01), Young
patent: 5976045 (1999-11-01), Young

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