PROBLEM TO BE SOLVED: To provide a hydraulic shock absorber capable of varying the capacity of a gas chamber.SOLUTION: A hydraulic shock absorber (10) includes a first gas chamber (22) which compensates an amount of hydraulic fluid corresponding to a variation amount of the volume of a piston rod (12) due to advancing into a damper cylinder (11) and retreating from the damper cylinder (11), a second gas chamber (22A) which can be communicated with the first gas chamber (22), and a seal member (33) which switches between a communication portion communicating the first gas chamber (22) with the second gas chamber (22A) and a shut-off portion shutting off the first gas chamber (22) from the second gas chamber (22A).SELECTED DRAWING: Figure 2

    【課題】気体室の容量を変化させることができる油圧緩衝器を提供する。【解決手段】油圧緩衝器(10)は、ダンパシリンダ(11)内への進入およびダンパシリンダ(11)からの退出によるピストンロッド(12)の体積分の変化量に相当する作動油を補償する第1気体室(22)と、第1気体室(22)と連通可能な第2気体室(22A)と、第1気体室(22)が第2気体室(22A)に連通する連通部、及び第1気体室(22)が第2気体室(22A)から遮断される遮断部を切り替えるシール部材(33)とを備える。【選択図】図2


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    Title :

    HYDRAULIC SHOCK ABSORBER


    Additional title:

    油圧緩衝器


    Contributors:

    Publication date :

    2016-11-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16F SPRINGS , Federn / B62K Fahrräder , CYCLES



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