Bicycle frame

Details Bicycle frame Bicycle frame

1983-12-01

1985-09-10

Pekar, John A.

Land vehicles

Wheeled

Occupant propelled type

280281R, 280287, B62K 1500

Patent

active

045401900

ABSTRACT:
A frame for a bicycle in which two beams, which intersect to form a cruciform, in side elevation, extend between a head tube and a seat tube. Each beam being structurally efficient in the transverse plane. The cruciform being rendered structurally efficient in the vertical plane by a tie running beneath the cruciform and extending between lower regions of the head and seat tubes. The front and rear parts of the frame are separably joined to one another at the junction of the cruciform by means of a first coupling. The tie also being separable into front and rear parts, by means of a second coupling located immediately below the first coupling.

REFERENCES:
patent: 3083039 (1963-03-01), Moulton
patent: 3220748 (1965-11-01), Moulton

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