发明名称 |
Gas spring suitable as a lifting aid for hatchbacks or trunk lids of motor vehicles |
摘要 |
A gas spring suitable as a lifting means for a car hatchback includes a device to hold the gas spring piston rod in its extended position with the hatchback fully open. Such holding device comprises a pair of check valves associated with the guide piston of the gas spring whereby one such check valve is spring-biased closed so that a substantial closing force is required to initiate closing of the hatchback.
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申请公布号 |
US4156523(A) |
申请公布日期 |
1979.05.29 |
申请号 |
US19770854396 |
申请日期 |
1977.11.23 |
申请人 |
SUSPA FEDERUNGSTECHNIK FRITZ BAUER AND SOHNE OHG |
发明人 |
BAUER, FRITZ |
分类号 |
F16F9/02;F16F9/48;F16F9/49;(IPC1-7):F16F9/02 |
主分类号 |
F16F9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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