发明授权
- 专利标题: Unidirectional gripping open end wrench
- 专利标题(中): 单向夹紧开口扳手
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申请号: US825702申请日: 1977-08-18
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公开(公告)号: US4158975A公开(公告)日: 1979-06-26
- 发明人: Egas J. J. DeSousa
- 申请人: Egas J. J. DeSousa
- 专利权人: Desousa Egas J J
- 当前专利权人: Desousa Egas J J
- 主分类号: B25B13/46
- IPC分类号: B25B13/46 ; B25B13/12
摘要:
An open end ratchet wrench having an arcuate cavity to receive a D-shaped member. The D-shaped member being movable between inner and outer ends of the cavity to either ratchet around a nut or bolt or to apply a tightening force.
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