Vehicle front fork

Details Vehicle front fork Vehicle front fork

1981-08-27

1984-03-27

Reger, Duane A.

Spring devices

Vehicle

Comprising compressible fluid

188287, F16F 906

Patent

active

044389094

ABSTRACT:
Herein disclosed in a front fork for a two-wheeled vehicle, in which a fork tube carrying a piston at its lower end is slidably fitted in a bottom casing filled with working oil, in which a seat tube fixed to the bottom portion of the bottom casing has its upper portion inserted into the fork tube, in which a check valve operating so as to be closed upon contraction of the fork and opened upon extension of the fork is carried by the lower end of the fork tube, in which a check valve operating so as to be opened upon the contraction of the fork and closed upon the extension of the fork is slidably fitted on the fork tube above the piston, in which as orifice is formed in the fork pipe thereby to provide communication between the inside and outside thereof, and in which a plurality of orifices are formed in the seat tube and are arranged in the axial direction of the same. The front fork tube constructed can improve the riding comfort and hold steering stability which are independent of the conditions of a road surface.

REFERENCES:
patent: 3797615 (1974-03-01), Stembridge
patent: 4013149 (1977-03-01), Fabre et al.

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