发明名称 |
Die lifter unit for pressing or punching machine |
摘要 |
A die lifter unit comprises a rolled metal section of inverted open-topped rectangular shape which is floatably supported on heavy duty springs in a groove extending along the top surface of the bolster, the section carrying a roller for supporting the die.
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申请公布号 |
US4317358(A) |
申请公布日期 |
1982.03.02 |
申请号 |
US19800150144 |
申请日期 |
1980.05.15 |
申请人 |
YONEZAWA, KEITARO;KITAURA, ICHIRO |
发明人 |
YONEZAWA, KEITARO;KITAURA, ICHIRO |
分类号 |
B21D37/04;B21D37/14;B21J13/08;B30B15/02;(IPC1-7):B21J13/02 |
主分类号 |
B21D37/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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