发明名称 |
COMBINED, JACK, AND CLAMP, SURE, CLAMP |
摘要 |
An elongated horizontal member is adapted by jack operated means to be moved up and down in a vertical plane. A horizontal frame overlying and spaced from the member contains a vertical clamp member which can be moved into engagement with the horizontal member in any one of a plurality of available positions.
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申请公布号 |
US3697046(A) |
申请公布日期 |
1972.10.10 |
申请号 |
USD3697046 |
申请日期 |
1969.09.25 |
申请人 |
FERDINAND F. SUR |
发明人 |
FERDINAND F. SUR |
分类号 |
B66F1/00;B66F1/06;B66F13/00;(IPC1-7):B66F1/06 |
主分类号 |
B66F1/00 |
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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