Sprocket profile

Details Sprocket profile Sprocket profile

1977-05-25

1978-09-26

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74462, F16H 5530, F16H 5506

Patent

active

041160819

ABSTRACT:
A sprocket for driving a chain has a pocket between adjacent teeth at least partially defined by an arcuate root surface and oppositely disposed topping surfaces. The root surface, in turn, is defined by a radius centered on the pocket center line having a length at least as great as the sum of the radius of the chain bushings plus one half the backlash of the chain. The topping surfaces lie radially outward from the respective ends of the root surface and are defined by radii centered at points circumferentially spaced from the pocket. The topping surfaces may extend outwardly from the respective ends of the root surface and at the point of merger be tangent therewith.

REFERENCES:
patent: 2162042 (1939-06-01), Welser
patent: 3756091 (1973-09-01), Miller
patent: 3897980 (1975-08-01), Dester
patent: 3916708 (1975-11-01), Durand
patent: 4016772 (1977-04-01), Clemens et al.
patent: 4058352 (1977-11-01), Sogge

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