Lightweight bicycle with improved front and rear wheel fork and

Details Lightweight bicycle with improved front and rear wheel fork and Lightweight bicycle with improved front and rear wheel fork and

1989-01-30

1991-04-30

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

264258, 2802883, B62K 1902, B62K 1916, B62K 1930

Patent

active

050111728

ABSTRACT:
A lightweight bicycle frame having improved rear fork rigidity constructed by attaching the front section of a left and a right subassembly each having a "C" shaped cross-section and each being the mirror image of each other to which is attached to the rear section of the connected subassemblies to form the rear fork of the frame a third subassembly substantially in the form of an oval folded about its minor axis approximately 160 to 166 degrees which provides improved rigidity to said rear fork and a front fork similarly constructed from two "C" shaped subassemblies which are connected to each other at a tap section thereof to which is attached at a lower section thereof a third "U" shaped subassembly which provides further lightweightness to the bicycle assembled from said front fork.

REFERENCES:
patent: 3833242 (1974-09-01), Thompson, Jr.
patent: 4828781 (1989-05-01), Duplessis et al.

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