Press for punching and cutting plate-shaped workpieces, especial

Details Press for punching and cutting plate-shaped workpieces, especial Press for punching and cutting plate-shaped workpieces, especial

1978-11-29

1981-02-17

Schran, Donald R.

Cutting

Two tool pairs, driver for one pair moves relative to driver...

Punch and shear

83519, 83549, 83552, B26D 900

Patent

active

042507847

ABSTRACT:
A combined press for punching and cutting respectively trimming a plate-shaped workpiece comprises at least one punching tool including a punch reciprocable along an axis and a first dirve for reciprocating said punch, at least one cutting tool including a knife reciprocatably parallel to the punch and a second drive for reciprocating the knife, a main drive, and a transmission arrangement connected at one end to the main drive and selectively connectable to said first and second drive for reciprocating either said punch or said cutting knife.

REFERENCES:
patent: 174782 (1876-03-01), Colton et al.
patent: 1389880 (1921-09-01), Kraut
patent: 3165962 (1965-01-01), Bredow

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