发明名称 Ratchet screwdriver
摘要 A rotary hand tool of the ratchet type and method for assembling same comprises an elongated wide mouth ratchet housing provided with a shaft rotatably mounted therein having a ratchet mechanism operatively associated therewith and a bushing coaxially mounted on the shaft, which bushing interlocks with the housing for securing the shaft and ratchet mechanism within the housing and aligning and supporting the shaft.
申请公布号 US4621718(A) 申请公布日期 1986.11.11
申请号 US19820445263 申请日期 1982.11.29
申请人 STANLEY WORKS 发明人 DECAROLIS, JOSEPH P.
分类号 B25B13/46;B25B15/04;(IPC1-7):F16D41/08;B25B15/00 主分类号 B25B13/46
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