发明名称 Structure of a ratchet wrench
摘要 The present invention relates to the structure of a ratchet wrench, and in particular, to a ratchet wrench which can provides high torque engagement in application, wherein a ratchet wheel is inserted into a circular opening on the wrench head of a common ratchet wrench, and a cavity is provided to the circular opening adjacent to one side of the rod body of the wrench for mounting a restrictive teeth structure, the end terminal of the cavity is provided with a ball hole to contain a spring and a steel ball, and the restrictive teeth structure is urged by the steel ball, thereby the high torque movement of the ratchet wheel is controlled.
申请公布号 US6220123(B1) 申请公布日期 2001.04.24
申请号 US19990450448 申请日期 1999.11.30
申请人 CHEN YU-TANG 发明人 CHEN YU-TANG
分类号 B25B13/46;(IPC1-7):B25B13/46 主分类号 B25B13/46
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