公开(公告)号：US20220268335A1

公开(公告)日：2022-08-25

申请号：US17630783

申请日：2020-09-17

Applicant: KYB CORPORATION

Inventor： Takeshi YASUI

IPC: F16F9/348 ,  F16F9/06

Abstract: A shock absorber according to the present invention includes: a cylinder; a rod movably inserted into the cylinder; an extension side chamber (operation chamber) and a compression side chamber (operation chamber) provided in the cylinder; a valve disc that is provided to be movable in the axial direction on the outer circumference of the rod and has an annular valve seat and a port which is opened on the inner circumference of the annular valve seat and causes the extension side chamber (operation chamber) and the compression side chamber (operation chamber) to communicate with each other; and an annular leaf valve that opens and closes the port.