Bending unit of a machine for bending metal sheets

Details Bending unit of a machine for bending metal sheets Bending unit of a machine for bending metal sheets

1991-02-06

1992-06-23

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72312, B21D 504

Patent

active

051232707

ABSTRACT:
The bending unit includes a fixed counterblade, a metal sheet holder which, pressing on counterblade, holds one of the edges of metal sheet and a blade arranged on the same side of the metal sheet holder as the metal sheet. This blade, translating with respect to the counterblade and to the metal sheet holder, causes the displacement outside the plane of the edge of the metal sheet which is not held by counterblade and metal sheet holder. The counterblade and blade are made in a plurality of segments parallel and side by side to one another in a direction orthogonal to the plane of the metal sheet, and the metal sheet holder is so flexible as to follow the counterblade in its deflections.

REFERENCES:
patent: 929818 (1909-08-01), Benedek
patent: 2132569 (1938-10-01), Kelleher
patent: 2178926 (1939-11-01), Brickman
patent: 3074461 (1963-01-01), Benedict
patent: 3350912 (1967-11-01), Smith
patent: 3948074 (1976-04-01), Stalzer
patent: 3994152 (1976-11-01), Wolters
patent: 4520646 (1985-06-01), Pauzin

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