High efficiency bicycle frame

Details High efficiency bicycle frame High efficiency bicycle frame

1986-10-23

1991-05-28

Mitchell, David M.

Land vehicles

Wheeled

Occupant propelled type

B62K 302

Patent

active

050187589

ABSTRACT:
A bicycle frame which is made of large diameter tubing formed of an aluminum alloy and which is made very rigid to increase the power transmission efficiency and to improve the handling and riding characteristics. The result is a frame which is lighter, stronger, and much more rigid than prior art frames formed of steel tubing.

REFERENCES:
patent: 452649 (1891-05-01), Powell
patent: 620390 (1899-02-01), Wells
patent: 626875 (1899-06-01), Smith
patent: 3966230 (1976-06-01), Nicol
patent: 4500103 (1985-02-01), Klein
patent: 4621827 (1986-11-01), Klein

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