Die lifter unit for pressing or punching machine

Details Die lifter unit for pressing or punching machine Die lifter unit for pressing or punching machine

1980-05-15

1982-03-02

Crosby, Gene P.

Metal deforming

With means to drive tool

With means to permit tool positioning

100229R, 100918, B21J 1302, B30B 1502

Patent

active

043173586

ABSTRACT:
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.

REFERENCES:
patent: 3111100 (1963-11-01), Georgeff
patent: 3139679 (1964-07-01), Grover
patent: 4152978 (1979-05-01), Abe
patent: 4258620 (1981-03-01), Sallander

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