High performance bicycle crank

Details High performance bicycle crank High performance bicycle crank

2007-09-04

2007-09-04

Kim, Chong H. (Department: 2167)

Machine element or mechanism

Elements

Cranks and pedals

Reexamination Certificate

active

11072769

ABSTRACT:
A carbon fiber bicycle crank includes an axle lug, having a portion for receiving a crank axle. A foam core is coupled to the axle lug during a first molding process. A pedal engaging lug is coupled to the foam core after the completion of the first molding process, and a carbon fiber composite material exoskeleton is coupled to and disposed exteriorly of the axle lug, foam core and pedal lug.

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Ording and Mallaby, Sep. 8, 1999, a High Performance Bicycle Crank. Provisional Patent Application, describing cranks first sold in 1997 and 1999.

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