发明名称 Ratchet tool
摘要 A ratchet tool includes a ring-shaped head having a toothed member rotatably received therein and a first end of a handle is pivotally inserted in the ring-shaped head. A pawl is connected to the first end of the handle and pivotally engaged with the toothed member. Two springs are received in the ring-shaped head and contact two sides of the handle.
申请公布号 US2002170393(A1) 申请公布日期 2002.11.21
申请号 US20010855044 申请日期 2001.05.15
申请人 YUAN-CHIN CHI;PEI-CHIH YANG 发明人 YUAN-CHIN CHI;PEI-CHIH YANG
分类号 B25B13/46;(IPC1-7):B25B13/00 主分类号 B25B13/46
代理机构 代理人
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