发明名称 Ratchet wrench
摘要 A ratchet wrench includes a wrench body, an operation body, a limit plate, a pawl member, a cover plate, a snap ring, and a rotation member. The pawl member is rotated by the limit plate, so that the engaging teeth of the pawl member mesh with the ratchet teeth of the drive head, and the operation body is operated in one direction only by rotation of the drive head. Thus, the ratchet wrench that can be operated easily and conveniently, thereby facilitating the user operating the ratchet wrench.
申请公布号 US6862956(B1) 申请公布日期 2005.03.08
申请号 US20030694257 申请日期 2003.10.23
申请人 CHEN SHWU RUU 发明人 CHEN SHWU RUU
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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