JPS638441U

JPS638441U -

Info

Publication number: JPS638441U
Application number: JP10138486U
Authority: JP
Priority date: 1986-07-03
Filing date: 1986-07-03
Publication date: 1988-01-20

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る油圧緩衝器の
伸び行程の状態を示した断面図、第２図は第１図
の装置の縮み行程の状態を示した断面図、である
。１１……シリンダ、１２……ピストンロツド、
１６……フリーピストン、１７……ガス室、１８
……リザーバ室、１９……第１のピストン、２０
……第２のピストン、２９……第１の油室、３０
……第２の油室、３１……第３の油室。 FIG. 1 is a sectional view showing a hydraulic shock absorber according to an embodiment of the present invention in an extension stroke state, and FIG. 2 is a sectional view showing the apparatus of FIG. 1 in a retraction stroke state. 11...Cylinder, 12...Piston rod,
16...Free piston, 17...Gas chamber, 18
... Reservoir chamber, 19 ... First piston, 20
...Second piston, 29...First oil chamber, 30
...Second oil chamber, 31...Third oil chamber.

Claims

[Scope of utility model registration request]

a first piston defining a first oil chamber and having a damping force generating means for generating a damping force during an extension stroke;
A second piston defining a second oil chamber and having a damping force generating means for generating a damping force during the retraction stroke is provided in series with the piston rod, and inside the piston rod, a gas chamber defined by the free piston and a second piston are provided in series with each other. A hydraulic shock absorber comprising: a reservoir chamber communicating with a third oil chamber defined between the first piston and the second piston.