发明名称 Hand tool having an extendable handle structure
摘要 A hand tool includes two half portions pivotally connected with each other, and two opposite magnetic members each mounted in a respective one of the two half portions. The two opposite magnetic members are repulsive with each other, so that the two half portions are extended outward relative to each other by the repulsive action between the two magnetic members.
申请公布号 US2005034574(A1) 申请公布日期 2005.02.17
申请号 US20030643482 申请日期 2003.08.15
申请人 HSIEN CHIH - CHING 发明人 HSIEN CHIH - CHING
分类号 B25B7/02;B25B7/18;(IPC1-7):B25B7/02 主分类号 B25B7/02
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