发明名称 Multiple screwdriver
摘要 A multiple screwdriver having a grip and a plurality of bits coupled to the grip at one end. Each bit has a coupling plate comprising a slant portion and a straight portion parallel to the axis of the bit. The bit is coupled to the grip with its coupling plate in axial slits formed in the head of the grip.
申请公布号 US4476751(A) 申请公布日期 1984.10.16
申请号 US19830527732 申请日期 1983.08.30
申请人 MISHIMA, YOSHIAKI 发明人 MISHIMA, YOSHIAKI
分类号 B25G1/08;(IPC1-7):B25G1/08 主分类号 B25G1/08
代理机构 代理人
主权项
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