Apparatus for flanging sheet metal blanks

Details Apparatus for flanging sheet metal blanks Apparatus for flanging sheet metal blanks

1987-08-14

1988-08-09

Crane, Daniel C.

Metal deforming

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

Clamp structure constitutes sole initial metal-deforming...

72319, 72481, 72389, B21D 504

Patent

active

047619856

ABSTRACT:
In apparatus for flanging sheet metal blanks, a holding-down mechanism comprises a holding-down ram (3) and a holding-down shoe (4), which comprises a plurality of displaceable segments (6), which are mounted on said ram for a displacement along a track, which is carried by the ram (3) and parallel to the line of bend. The displaceable segments are displaceable along said track by adjusting rod means (17). To permit the displaceable segments to be displaced in a simple manner, each displaceable segment (6) has associated therewith a coupling (19) for non-displaceably connecting each displaceable segment (6) to an associated adjusting rod (17) and to the holding-down ram (3) in alternation.

REFERENCES:
patent: 4112731 (1978-09-01), Anderson et al.
patent: 4532792 (1985-08-01), Hongo
patent: 4660402 (1987-04-01), Hongo

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