B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
305/47
B62D 55/12 (2006.01) B62D 55/20 (2006.01) F16H 7/06 (2006.01) F16H 55/30 (2006.01)
Patent
CA 1068750
SPROCKET PROFILE ABSTRACT OF THE DISCLOSURE 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.
298984
Luttrell Richard W.
Purcell Robert J.
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