| 摘要 |
PROBLEM TO BE SOLVED: To easily fix a bottom cover to partition a gas chamber at a damper tube and to minimize a change in a gas pressure after sealing with gas when a pressure gas chamber making contact with an oil chamber through a free piston is situated in a damper tube. SOLUTION: In this vibration control damper 10 with a pre-load, a bottom cover 22 is securely nipped by two stopper rings 24 and 25 mounted on two ring grooves formed in a damper tube 11.
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