High performance bicycle crank
US7263914B2 · kind B2 · utility
29Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2005 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Mar 3, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2164
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.