发明名称 Locating structure of expandable magnetic rod of screwdriver
摘要 A screwdriver includes a handle, a shank, and a locating seat which is provided with a plurality of receiving holes for receiving a tip. The shank is provided at the free end thereof with an opening for fastening the tip. The handle is provided with a through hole which is in communication with one of the receiving holes of the locating seat and is extended to reach the bottom end of the handle. The handle is further provided with a longitudinally-oriented slot in communication with the through hole. An expandable magnetic rod is received in one of the receiving holes, the through hole and the slot such that the expandable magnetic rod is fastened by a screw, and that a magnetic tip of the expandable magnetic rod is exposed from the seat. The handle is further provided with a cover.
申请公布号 US6163911(A) 申请公布日期 2000.12.26
申请号 US19990418845 申请日期 1999.10.15
申请人 LIN, CHANG-MING 发明人 LIN, CHANG-MING
分类号 B25B9/00;B25B15/02;B25G1/08;(IPC1-7):B25B15/00 主分类号 B25B9/00
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