发明名称 Ratcheting tool with spring-urged pawls and method
摘要 A ratcheting tool, such as a screwdriver, having a handle with gear and two pawls movable into selective driving engagement with the gear by movement of an actuator on the handle. A spring is anchored on the handle and extends into contact with the two pawls for urging the pawls into engagemnt with the gear.
申请公布号 US6679363(B1) 申请公布日期 2004.01.20
申请号 US20020124196 申请日期 2002.04.17
申请人 PILLING WECK INCORPORATED 发明人 MARCHANT KEVIN K.
分类号 B25B13/46;B25B15/04;(IPC1-7):B25B13/46 主分类号 B25B13/46
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