Lower tool device for press brake

Details Lower tool device for press brake Lower tool device for press brake

1994-05-31

1996-03-05

Jones, David

Metal deforming

Tool and/or tool holder

Having unitary tool-face

72462, B21D 3704

Patent

active

054957435

ABSTRACT:
A lower tool device for a press brake comprises: a T-shaped slot (19) extending in front and rear direction formed in a tool holder block (17) or between two adjacent tool holder blocks (17) mounted on a lower table (5) of a press brake; a flange member (23) movable into and from the slot and provided under a support rod (21) vertically disposed on an under surface of a tool (9) mounted on the tool holder block (17); a push member (27) attached to the tool holder block, for pushing the flange member downward; and a push urging device (27) for urging the push member so as to further push the flange member downward.

REFERENCES:
patent: 4598574 (1986-07-01), Hegel et al.
patent: 4674315 (1987-06-01), Linz
patent: 4993255 (1991-02-01), Treillet
patent: 5033283 (1991-07-01), Gloe et al.
patent: 5167405 (1992-12-01), Cayley
patent: 5249452 (1993-10-01), Baldwin et al.

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