发明名称 Ratcheting manual threader drive device
摘要 A ratchet assembly, and particularly, a ratcheting manual threader drive device is described. The device utilizes a unique pawl extension assembly that includes a sleeve, and one or more biasing members that are positioned within a channel extending through the head of the assembly.
申请公布号 US2008210062(A1) 申请公布日期 2008.09.04
申请号 US20070712723 申请日期 2007.03.01
申请人 EMERSON ELECTRIC CO. 发明人 NITCHMAN CRAIG J.;THAYER JAMES
分类号 B25B13/22 主分类号 B25B13/22
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