Bicycle crank arm parts/assembly and assembly tools

Machine element or mechanism – Elements – Cranks and pedals

Patent

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Details

745942, G05G 114

Patent

active

058455434

ABSTRACT:
A crank axle includes an axle body having first and second ends, a first rotary linkage member disposed at the first end of the axle body for nonrotatably fitting a first crank arm thereto, and a first centering structure disposed at the first end of the axle body in close proximity to the first rotary linkage member. The rotary linkage member may be formed as a plurality of splines, and the same structure may be formed at the second end.

REFERENCES:
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patent: 5496222 (1996-03-01), Kojima
European search report for EP 96 30 5711, dated Nov. 5, 1996.
European search report for EP 96 30 5711, dated Jan. 24, 1997.

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