Bicycle frame with multiple layer tube

Details Bicycle frame with multiple layer tube Bicycle frame with multiple layer tube

2005-08-26

2009-10-06

Morris, Lesley D (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C280S274000

Reexamination Certificate

active

07597338

ABSTRACT:
A bicycle frame is disclosed that includes a set of tubes connected together. At least a portion of one of the tubes comprises at least three layers of materials. For example, in one embodiment, the seat tube includes an inner layer of carbon fiber, a middle layer of aluminum (or other metal), and an outside layer of carbon fiber.

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Schroeder, et al., “Taking the Witchcraft Out of Advanced Composite Bicycle Frames, Design, Materials, Fabrication and Competitive Analysis,” Specialized Bicycle Components v.1.4.1, revised Jan. 2005, 14 pages.
Giant Bicycle Supplement, Sep. 2004, 60 pages.

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