Method and device for displacing the head tube of a bicycle

Details Method and device for displacing the head tube of a bicycle Method and device for displacing the head tube of a bicycle

1982-05-14

1984-04-17

Pekar, John A.

Land vehicles

Wheeled

Occupant propelled type

280279, 280287, 403DIG8, B62K 1932

Patent

active

044430230

ABSTRACT:
A bicycle frame includes a chain stay structure, a seat tube extending from the chain stay structure, an inclined down tube pivotally connected to the chain stay structure and disposed forward of the seat tube, a top longitudinally extending element connected between the seat tube and the down tube, a head pipe mounted on the down tube, and an eccentric device connecting the top element to at least one of the tubes to thereby provide for adjusting the pivotal position of the down tube and thereby the position of the head pipe relative to the seat tube.

REFERENCES:
patent: 583078 (1897-05-01), Owen

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