发明名称 Adjustable wrenches
摘要 The present application is directed to adjustable wrenches. In one embodiment, the open-ended wrench includes a head with a opening sized to receive workpieces. One or more shims are attached in an adjustable manner within the opening to alter the width of the wrench.
申请公布号 US7305909(B2) 申请公布日期 2007.12.11
申请号 US20060406102 申请日期 2006.04.18
申请人 BOLLINGER ROBERT ARTHUR 发明人 BOLLINGER ROBERT ARTHUR
分类号 B25B13/58 主分类号 B25B13/58
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