发明名称 Ratchet wrench, comprising ring-shaped head with toothed inner surface and three detents
摘要 <p>The tool has a long handle (2) and a ring-shaped head (20). The inner surface of the ring (20) is provided with a multitude of teeth (23) engaging with the outer ends of three detents (22) movable inserted into gaps located at the outer surface of a ring positioned in the center of the head (20). The inner ring has several curved recesses (25) distributed along its inner surface for holding the head of a bolt or a nut to be tightened or loosened.</p>
申请公布号 DE202005009069(U1) 申请公布日期 2005.08.25
申请号 DE20052009069U 申请日期 2005.06.09
申请人 CHOU MING CHAO 发明人
分类号 B25B13/46;(IPC1-7):B25B13/46 主分类号 B25B13/46
代理机构 代理人
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