Bicycle frame

Details Bicycle frame Bicycle frame

1982-02-16

1984-01-24

Pekar, John A.

Land vehicles

Wheeled

Occupant propelled type

280283, B62K 300, B62K 1930

Patent

active

044272090

ABSTRACT:
A bicycle frame for bicycles designed for structural strength and for positioning of a chain sprocket above the lowermost portion of the frame. The frame is constructed with a looped tube assembly with a front tube loop connected to a head tube and wheel fork assembly forming a quadrilateral structure of generally triangular shape, and a pair of rear tube loops forming a pair of parallel quadrilateral structures of generally diamond shape, with the front tube loop and rear tube loops being mutually interconnected on a sprocket shell. The looped tube assembly has seat and chain stay bracing, and brackets for mounting a rear wheel between the pair of rear tube loops.

REFERENCES:
patent: 519855 (1894-05-01), Whitaker

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