Bicycle sprocket drive assembly

Details Bicycle sprocket drive assembly Bicycle sprocket drive assembly

1985-04-10

1987-01-13

Schwartz, Larry I.

Machine element or mechanism

Elements

Cranks and pedals

403359, G05G 112

Patent

active

046355030

ABSTRACT:
A bicycle sprocket drive which utilizes a crank having a number of splines and a sprocket having mating indentations or slots in its face. The splines and the mating radial slots have tapered driving faces. By forming the tapered slots into the front face of the sprocket, as by a stamping process, the removal of material from the sprocket is avoided. The resulting back faces of the sprocket slots, because they are displaced from the remainder of the sprocket, serve to provide the desired alignment of the drive sprocket with the rear or driven sprocket of the bicycle.

REFERENCES:
patent: 596523 (1898-01-01), Midgley
patent: 596846 (1898-01-01), Brown
patent: 3868863 (1975-03-01), Gasner

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