| 摘要 |
PROBLEM TO BE SOLVED: To improve ride comfort of a vehicle by taking a shape and material of an oil seal of a hydraulic shock absorber into consideration. SOLUTION: The oil seal 20 of the hydraulic shock absorber 10 is made of low nitrile nitrile rubber and an inner diameter of a second lip 22 is smaller than an outer diameter of a piston rod 13 by 0.3 to 1.0 mm. |
