| 摘要 |
A front fork, which is interposed between a vehicle body and an axle to restrain a change in vehicle attitude, comprises a fork body ( 101 ) including a reservoir chamber ( 106 ) partially filled with gas and performing an expansion and contraction operation, a reservoir tank ( 102 ) partially filled with gas and communicating with the reservoir chamber ( 106 ) through a flow path ( 103 ) in which hydraulic oil flows, an on-off valve ( 35 ) switching between opening and closing of the flow path ( 103 ), and a relief valve ( 40 ) accepting flow of hydraulic oil from the reservoir chamber ( 106 ) toward the reservoir tank ( 102 ) when a pressure of the reservoir chamber ( 106 ) reaches a predetermined pressure.
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