| 摘要 |
PROBLEM TO BE SOLVED: To obtain a friction giving action of a hydraulic shock absorber capable of quickly rising temperature for tires of a vehicle from a low temperature side. SOLUTION: In the hydraulic shock absorber 10, an O-ring retaining portion 70 is incidentally arranged at an oil chamber 12 side closer than an oil seal 16 in a rod guide 14, an O-ring groove 75 arranged on the O-ring retaining portion 70 is filled with an O-ring 60 at a filling rate of 88 to 98%, and friction is given to a piston rod 13 by the O-ring 60. COPYRIGHT: (C)2003,JPO
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