发明名称 Expandable magnetic socket wrench connector device
摘要 A elastic magnetic socket wrench connector device which contains: first tube with first magnet fixed at first end and an inward stop around second end; and second tube sliding through the second end with one end inside said first tube, the inside end has a flange and with second magnet fixed at outside end; said inward stop preventing said flange from sliding off said first tube and the first magnet and said second magnet are of the same magnetic poles. The first magnet has stronger magnetic force than that of said second magnet. The device can attract a bolt preventing from it fall to the ground and the length of the device can be adjusted to fit different kinds of socket wrenches and sockets.
申请公布号 US6701809(B2) 申请公布日期 2004.03.09
申请号 US20020139226 申请日期 2002.05.07
申请人 HUANG CHUN PO 发明人 HUANG CHUN PO
分类号 B25B23/12;(IPC1-7):B25B13/06 主分类号 B25B23/12
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