Knockout assembly

申请号 US3561026D 申请日 1968-07-25 公开(公告)号 US3561026A 公开(公告)日 1971-02-09
申请人 BETHLEHEM STEEL CORP; 发明人 SCHAEFFER CHARLES W;
摘要 A KNOCKOUT ASSEMBLY FOR USE IN A FORMING MACHINE HAS A ROD WITH A TIP SHAPED TO FORM A DESIRED INDENTATION IN A WORKPIECE AND A SLEEVE WHICH SURROUNDS THE ROD TO EJECT THE WORKPIECE FROM THE MACHINE. THE ROD AND SLEEVE ARE SLIDABLY MOUNTED IN A BODY. AN ARRANGEMENT OF CAMS CAUSES THE SLEEVE TO MOVE A GREATER DISTANCE THAN THE ROD AND THEREBY STRIP THE WORKPIECE FROM THE TIP OF THE ROD AND EJECT IT FROM THE MACHINE.
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