Patent Number: 7,611,000

Title: Damping force adjusting structure of hydraulic shock absorber

Abstract: In a damping force adjusting structure of a hydraulic shock absorber in which a part of an oil liquid is introduced to a back pressure chamber provided in a back surface side of a damping valve from a back pressure introduction path, a pressure within the back pressure chamber is leaked from a leak path, and a damping force can be adjusted by controlling a valve opening pressure of the damping valve by controlling the pressure in the back pressure chamber. A leaf valve with slit is provided in the back pressure introduction path, and a slit provided in the leaf valve with slit is formed as an introduction side orifice.

Inventors: Naito; Tutomu (Saitama, JP)

Assignee: Showa Corporation

International Classification: F16F 9/44 (20060101)

Expiration Date: 1/03/02017