| 摘要 |
PROBLEM TO BE SOLVED: To prevent damage to a sealing device without passing a portion of a piston rod, damaged by contacting a rebound spring collar, through the sealing device. SOLUTION: A hydraulic shock absorber 10 comprises a second collar 52 having an inner diameter portion, loosely inserted in a piston rod 12, being gradually smaller as tending from a rod guide 34 to a piston 21. |
