发明名称 Clamp bar extension
摘要 The present invention relates to bar clamps, and more specifically, to attachments for extending the length of such clamps and enabling such clamps to be adaptable to a wider array of clamping needs. The accessories include an extension bar, a coupling that attaches one end of the extension bar to the clamp primary bar locking the bars in longitudinal alignment, and a stop that attaches to the primary bar or extension for fixing the location of a clamp jaw along the bars.
申请公布号 US7396004(B2) 申请公布日期 2008.07.08
申请号 US20060519596 申请日期 2006.09.12
申请人 KERN JOHN M 发明人 KERN JOHN M.
分类号 B25B1/00 主分类号 B25B1/00
代理机构 代理人
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