发明名称 |
Power wrench |
摘要 |
A power wrench having at least a partially annular drive head connected at first and second pivots through a first of a pair of telescopic members and to a third member, respectively, the third member being connected by a third pivot to the second member, and upon a relative linear telescopic motion of the first and second members, the drive head is rotated through a predetermined arc under the control of the third member.
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申请公布号 |
US4117735(A) |
申请公布日期 |
1978.10.03 |
申请号 |
US19770776745 |
申请日期 |
1977.03.11 |
申请人 |
PAUL-HEINZ WAGNER MASCHINENFABRIKATION |
发明人 |
WAGNER, PAUL-HEINZ;HIRTSIEFER, RICHARD;MULLER, JOHANN |
分类号 |
B25B21/00;(IPC1-7):F16H21/18 |
主分类号 |
B25B21/00 |
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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