Frame fork for a bicycle

Details Frame fork for a bicycle Frame fork for a bicycle

1990-01-23

1991-02-19

Bertsch, Richard A.

Land vehicles

Wheeled

Occupant propelled type

280279, 2802811, 29521, 29525, 745511, 745518, 403282, 403285, B62K 2104

Patent

active

049937359

ABSTRACT:
A frame fork for a bicycle includes a main tube, two support tubes, a fork head including a bracing tube and two legs integrally formed together, and a sleeve including a sleeve body and two limbs integrally formed together. A center hole is formed in the sleeve body. The bracing tube passes through the center hole of the sleeve body and the lower end of the main tube. The sleeve body embraces the lower end of the main tube. Each leg of the fork head and a respective limb of the sleeve are force fitted into each upper end of the support tube.

REFERENCES:
patent: 482090 (1892-09-01), Kehr
patent: 589147 (1897-08-01), Sturges
patent: 609937 (1898-08-01), Kelly
patent: 4113395 (1978-09-01), Pawsat et al.
patent: 4819969 (1989-04-01), Williams
patent: 4887828 (1989-12-01), Chonan

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