发明名称 Metal piece attraction device on ratchet tool
摘要 A ratchet tool includes a head and an engaging member is rotatably received in a hole of the head. The engaging member has a polygonal inner periphery for engaging a nut and a toothed outer periphery which is engaged with a pawl movably connected to the head. A magnetic member is connected to a side of the engaging member and protrudes into a space enclosed by the polygonal inner periphery of the engaging member. A ring is mounted to the engaging member and the magnetic member is connected to the ring and the engaging member. The nut is engaged with the engaging member and attracted to the magnetic member and is easily to removed by rotating the ring.
申请公布号 US6761092(B2) 申请公布日期 2004.07.13
申请号 US20020289274 申请日期 2002.11.07
申请人 HSIEN CHIH-CHING 发明人 HSIEN CHIH-CHING
分类号 B25B13/46;B25B23/00;(IPC1-7):B25B13/46 主分类号 B25B13/46
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