发明名称 TORQUE WRENCH
摘要 A torque wrench having a force-acting rod with a handle portion as well as a driving head assembly. The driving head assembly includes an action portion having a polygonal insertion portion in cooperation with a unidirectional ratchet mechanism. In this way, a screw element can be directly tightened or loosened by means of the polygonal insertion portion.
申请公布号 US2010018367(A1) 申请公布日期 2010.01.28
申请号 US20080181318 申请日期 2008.07.28
申请人 SHYU JUN-TSAI 发明人 SHYU JUN-TSAI
分类号 B25B23/14 主分类号 B25B23/14
代理机构 代理人
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