发明名称 Shears for cutting sheet metal
摘要 The shears have two levers pivoted together, each having a cutting edge at the forward end thereof and an operating handle at the rear end thereof. The lower lever has a hinge hub forming a bearing surface which is laterally offset with respect to its cutting edge and which projects forwardly and upwardly toward its cutting edge.
申请公布号 US4502222(A) 申请公布日期 1985.03.05
申请号 US19820447093 申请日期 1982.12.06
申请人 BRESTON, MICHAEL P. 发明人 SARGENT, CLAUD B.
分类号 B23D29/02;B26B13/12;(IPC1-7):B26B13/06 主分类号 B23D29/02
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