发明名称 Press brake
摘要 A novel press brake is disclosed which incorporates a double lever actuating mechanism which is easily adjustable to vary the stroke of the press brake as well as adjusted to counteract the rotational forces imparted to the ram by reason of differential resistances created by the workpiece during the forming operation.
申请公布号 US4218910(A) 申请公布日期 1980.08.26
申请号 US19790007995 申请日期 1979.01.31
申请人 MCCABE, FRANCIS J 发明人 MCCABE, FRANCIS J
分类号 B30B1/08;(IPC1-7):B21D5/02 主分类号 B30B1/08
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