发明名称 Adjustable pipe wrench, gear actuated, having two methods of adjustment
摘要 A wrench includes a tubular extension secured in the second jaw member by set screws. The tubular extension is connected on one side by the adjusting handle and is connected to the bored gear on the second side. When the handle is rotated, the internally threaded gear drives first jaw portion in and out and is also exposed for conventional hand adjustment.
申请公布号 US6223632(B1) 申请公布日期 2001.05.01
申请号 US20000650480 申请日期 2000.08.29
申请人 JOHNSON MIKE SCOTT 发明人 JOHNSON MIKE SCOTT
分类号 B25B13/16;(IPC1-7):B25B13/16 主分类号 B25B13/16
代理机构 代理人
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