发明名称 Ratcheting open end wrench
摘要 A ratcheting open end wrench is designed to be employed in close places to remove nuts and bolts. Primarily, it consists of a handle having a fixed jaw and a pivotal jaw, and the pivotal jaw is provided with an attached arm with a spur that engages with a lip of the handle to prevent over travel of the pivotal jaw.
申请公布号 US4825731(A) 申请公布日期 1989.05.02
申请号 US19880169022 申请日期 1988.03.16
申请人 STOJANOWSKI, THOMAS 发明人 STOJANOWSKI, THOMAS
分类号 B25B13/08;B25B13/46;(IPC1-7):B25B13/28 主分类号 B25B13/08
代理机构 代理人
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