Device for hemming of sheet metals particularly of coachwork she

Details Device for hemming of sheet metals particularly of coachwork she Device for hemming of sheet metals particularly of coachwork she

1998-12-14

2000-08-08

Crane, Daniel C.

Metal deforming

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

With interrelated clamp closer and tool mover

72323, 72413, 2924358, B21D 504, B21D 3902

Patent

active

060984406

ABSTRACT:
A device for hemming of sheet metals, particularly of coachwork sheet metals for small-lot production series in automobile manufacture is disclosed. A ram with a superimposed hemming bed is arranged in a base rack presses the sheet metals to be hemmed against the hemming jaws of the pre-hemming and/or finish hemming tools. One or more hemming jaws (8, 8') are affixed to a rotary head (4) lying opposite to the ram (2) and are swingable by turning the rotary head (4) in working position. Moreover, the invention provides for that the hemming bed (5) is linearly traversable or swingable in horizontal plane between a loading point (B) and a working point (A).

REFERENCES:
patent: 3071176 (1963-01-01), Askinazy
patent: 3566665 (1971-03-01), Birrer
patent: 4866975 (1989-09-01), Hopkins
patent: 4930332 (1990-06-01), Hongo
patent: 5150508 (1992-09-01), St. Denis
patent: 5228190 (1993-07-01), Sawa

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