| 摘要 |
PROBLEM TO BE SOLVED: To stabilize damping force in a valve device of a hydraulic damper.SOLUTION: The valve device 40 includes a valve housing 41, a return ring 42, a sheet valve 47 and a check valve 48, wherein the check valve 48 is mounted on an inner circumferential side of the valve housing 41 so as to be capable of coming into contact with and being separated from a support surface 42A of the return ring 42 and a valve surface 47A of the sheet valve 47. In the valve device, a projected part P and a recessed part C are alternately provided in a circumferential direction of an inner circumference of the return ring 42. |
