发明名称 Reversing ratcheting wrench
摘要 A reversing ratchet wrench employing spring biased linkage connecting a pivotally mounted pawl to a finger operated reciprocally worked finger piece mounted in the end of the wrench body opposite the ratcheting mechanism wherein the change of direction of the wrench action is accomplished by depressing a finger piece or by releasing the finger piece.
申请公布号 US4308769(A) 申请公布日期 1982.01.05
申请号 US19800155524 申请日期 1980.06.02
申请人 RANTANEN, BERTHA 发明人 RANTANEN, ALFONSO W.
分类号 B25B13/46;(IPC1-7):B25B13/46 主分类号 B25B13/46
代理机构 代理人
主权项
地址