发明授权
- 专利标题: Sliding parallel ways for releasing jammed press
- 专利标题(中): 滑动平行的方式发布JAMMED PRESS
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申请号: US3584497D申请日: 1968-08-16
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公开(公告)号: US3584497A公开(公告)日: 1971-06-15
- 发明人: POHJOLA WILLIAM L
- 申请人: DOVER CORP
- 专利权人: Dover Corp
- 当前专利权人: Dover Corp
- 优先权: US75314068 1968-08-16
- 主分类号: B21D55/00
- IPC分类号: B21D55/00 ; B30B15/00 ; B21J13/02
摘要:
Method and apparatus for freeing jammed press from dead center position comprising sliding parallel wedge members interposed between dies and die bolster plate adapted to retain fixed position during normal press operation and for relative sliding for relieving pressure upon press jamming.
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