JPH0178739U

JPH0178739U -

Info

Publication number: JPH0178739U
Application number: JP1987175531U
Authority: JP
Priority date: 1987-11-17
Filing date: 1987-11-17
Publication date: 1989-05-26

Description

[Brief explanation of the drawing]

第１図は本考案の最適な一実施例に係るダンパ
ーを一部破断して示す正面図、第２図は従来例を
第１図と同様に示す正面図である。符号の説明、１……シリンダ体、１ａ……端部
、２……ロツド体、３……ピストン部、３ａ……
減衰部、６……フリーピストン、７……スプリン
グ、Ａ，Ｂ，Ｒ……油室。 FIG. 1 is a partially cutaway front view of a damper according to an optimal embodiment of the present invention, and FIG. 2 is a front view of a conventional example similar to FIG. 1. Explanation of symbols: 1...Cylinder body, 1a...End part, 2...Rod body, 3...Piston part, 3a...
Damping section, 6...free piston, 7...spring, A, B, R...oil chamber.

Claims

[Claims for Utility Model Registration] (1) Two oil chambers are defined in the cylinder body by a piston part connected to a rod body inserted into the cylinder body, both ends of which are formed in a sealed structure. In addition, in the damper, the two oil chambers are formed so as to communicate with each other via a damping section disposed in the piston section, and the oil chamber is formed in the rod body, and the rod body The oil chamber in the body is communicated with the oil chamber in the cylinder body through a communication hole bored in the rod body, and the oil chamber in the rod body is partitioned by a free piston housed in the rod body. A damper that is characterized by (2) Utility model registration claim 1, in which the rod body has both ends protruding outward from both ends of the cylinder body, and has a piston part in the middle part.
Damper as described in section. (3) The damper according to claim 1, wherein the free piston is biased in the forward direction by a spring disposed on the rear side.