Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Patent
1986-10-15
1989-02-28
Kashnikow, Andres
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
188280, 188314, 18832213, 267 6415, 267226, 280276, 280709, B62K 2508
Patent
active
048078603
ABSTRACT:
A motorcycle front fork assembly is disclosed in which a hollow damper rod is connected at its lower end to lower end of a hollow fork leg which telescopically receives an upper hollow fork tube and with a piston at the upper end of the damper rod engaging the interior surface of the fork tube. A float is positioned within the fork tube to float on the fluid within the fork tube. A float tube in which the float is positioned can be provided above the damper piston rod and including a fluid regulation valve. At least one compression port can be provided for fluid communication between a compression chamber defined between the fork leg and the damper rod below the lower end of the fork tube and a valve provides one way communication from the interior of the damper rod to the compression chamber during extension of the stroke of the fork assembly. The valve can include a slide that can close off or open a replenishment hole and a fluid passageway in the slide which is spring biased closed but can be opened. A slide is disclosed that is positioned between two springs which permit the slide to move to opposite directions on compression or extension.
REFERENCES:
patent: 3078967 (1963-02-01), Brown et al.
patent: 3854710 (1974-12-01), Nicholls
patent: 4057264 (1977-11-01), Suzuki et al.
patent: 4515384 (1985-05-01), Homma et al.
Graham Matthew C.
Kashnikow Andres
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