JPH0180842U

JPH0180842U -

Info

Publication number: JPH0180842U
Application number: JP1987177108U
Authority: JP
Priority date: 1987-11-20
Filing date: 1987-11-20
Publication date: 1989-05-30

Description

[Brief explanation of the drawing]

図面は本考案油圧緩衝器の一実施例を示すフロ
ントフオークの縦断面図である。〔符号の説明〕、１…ピストン、２ａ，２ｂ…
減衰力発生部、４ａ，４ｂ…ピストンロツド、５
…シリンダ、８…通孔、１１…フリーピストン、
１２…アウターチユーブ、１３…インナーチユー
ブ、１６…シリンダホルダー、１８…メインスプ
リング、２０…サブスプリング。 The drawing is a longitudinal sectional view of a front fork showing an embodiment of the hydraulic shock absorber of the present invention. [Explanation of symbols], 1...piston, 2a, 2b...
Damping force generating section, 4a, 4b... Piston rod, 5
...Cylinder, 8...Through hole, 11...Free piston,
12...Outer tube, 13...Inner tube, 16...Cylinder holder, 18...Main spring, 20...Sub spring.

Claims

[Claims for Utility Model Registration] (1) Both ends of a piston rod having a piston portion having a damping force generating mechanism disposed at an intermediate position are slidably inserted into a cylinder under sealing by a bearing seal, and A hydraulic shock absorber in which one end of a cylinder and one end of a cylinder are connected to an outer tube and the other to an inner tube. (2) At least one of both sides of the piston in the rod is configured as a hollow cylinder, a passage facing into the cylinder is bored in the wall of the hollow cylinder, and a free piston is attached to the end of the hollow cylinder. A hydraulic shock absorber according to claim 1 of the utility model registration claim. (3) The hydraulic shock absorber according to claim 1, wherein a main spring and a sub-spring are respectively disposed between both ends of the cylinder and both ends of the inner tube.