Bicycle crank arm

Details Bicycle crank arm Bicycle crank arm

2005-01-25

2005-01-25

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Elements

Cranks and pedals

C074S594200, CD12S123000, C403S319000, C403S359300

Reexamination Certificate

active

06845687

ABSTRACT:
A bicycle crank arm apparatus includes an axle having a first end portion and a second end portion, wherein the first end portion has an outer peripheral surface and a threaded inner peripheral surface; an axle bolt having a threaded outer peripheral surface screwed into the threaded inner peripheral surface of the first end portion of the axle; a crank arm having an axle mounting boss defining an opening for receiving the first end portion of the axle therein, wherein the axle mounting boss includes a first fastener for tightening the crank arm mounting boss around the first end portion of the axle; and wherein the crank arm boss is positioned axially inwardly of the axle bolt.

REFERENCES:
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patent: 5980116 (1999-11-01), Chiang
patent: 6199449 (2001-03-01), Harrington
patent: 485954 (1992-05-01), None
patent: 512149 (1992-11-01), None
patent: 000513647 (1992-11-01), None
patent: 5-250056 (1993-09-01), None

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