发明名称 RATCHET WRENCH WITH A DIRECTIONAL SHIFTING STRUCTURE
摘要 A ratchet wrench with a directional shifting structure contains: a handle; a holder fixed on at least one end of the handle and having a first groove and a second groove; a first tool head secured in the first groove and having a first fitting portion and having a first toothed portion; a second tool head secured in the second groove o and having a second fitting portion and a second toothed portion; a first engaging block retained on the outer wall of the first tool head and having first teeth and a first push portion; a second engaging block retained on the outer wall of the second tool head and having second teeth and a second push portion; a control shaft axially fixed between the first engaging block and the second engaging block and having a first pushing peg and a second pushing peg.
申请公布号 US2014123817(A1) 申请公布日期 2014.05.08
申请号 US201213669910 申请日期 2012.11.06
申请人 LIN LAI-HAO 发明人 LIN LAI-HAO
分类号 B25B13/46 主分类号 B25B13/46
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