发明名称 |
Adjustable hole-engaging hook device |
摘要 |
An adjustable hole-engaging hook device has a body connectable to a pulling element, such as a chain, and a hook assembly mounted on the body and arrangeable in a hole as conventionally provided in a vehicle frame member for permitting a force to be exerted on the frame of the vehicle. A gripping arrangement is provided on the body of the device for positively engaging the vehicle frame member which is provided with a hole in which the hook assembly is removably engageable.
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申请公布号 |
US4167108(A) |
申请公布日期 |
1979.09.11 |
申请号 |
US19770837409 |
申请日期 |
1977.09.28 |
申请人 |
JARMAN, DAVIS R.;HINSON, VIRGIL H. |
发明人 |
JARMAN, DAVIS R.;HINSON, VIRGIL H. |
分类号 |
B21D1/12;B60D1/18;B60P3/12;(IPC1-7):B21D31/00 |
主分类号 |
B21D1/12 |
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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