Multi-function power shear machines

Details Multi-function power shear machines Multi-function power shear machines

1992-02-14

1994-05-10

Bilinsky, Z. R.

Metal working

Convertible metal working machine

72324, 72464, 83461, B21D 501, B23P 2300

Patent

active

053096193

ABSTRACT:
A power shear machine for processing metal in sheet or plate form. The machine comprises a table base, and a cross-beam both secured between two side members in order to form a part of the machine frame; a shear made of a bottom blade cooperating with a vertically sliding top blade; a vertically sliding hold-down in front of the top blade; and a device for controlling the vertical sliding displacements of the top blade and hold-down. The power shear includes the hold-down which is made of two separate parts, each supporting one of two mating tools on facing sides thereof, and a device for temporarily locking together the parts.

REFERENCES:
patent: 3616525 (1971-11-01), Barthel
patent: 3875655 (1975-04-01), Gerlach
patent: 4506433 (1985-03-01), Gingras
patent: 4646420 (1987-03-01), Ebrahimian
patent: 4738018 (1988-04-01), Ebrahimian

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