Bicycle crank assembly

Details Bicycle crank assembly Bicycle crank assembly

1991-09-09

1993-01-19

Braun, Leslie A.

Machine element or mechanism

Elements

Cranks and pedals

745942, D12123, 280259, G05G 114

Patent

active

051798735

ABSTRACT:
A bicycle crank assembly utilizing a hollow crank arm is disclosed. The crank arm is welded to a hub for mounting to an axle and reinforced using a doubler provided at a point of maximum stress to minimize the likelihood of breakage at the maximum stress point. The resulting bicycle crank assembly exhibits reduced weight without a substantial reduction of torsional or bending strength.

REFERENCES:
patent: 4811626 (1989-03-01), Bezin
patent: 5010785 (1991-04-01), Romero

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