Bending machine

Details Bending machine Bending machine

1998-04-23

1999-07-27

Crane, Daniel C.

Metal deforming

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

Clamp structure constitutes sole initial metal-deforming...

B21D 504

Patent

active

059271345

ABSTRACT:
In order to improve a bending machine comprising a bending beam, a first and a second clamping beam for clamping a workpiece, one of which has clamping tool segments arranged so as to be interchangeable, wherein at least one clamping tool segment with a movable base has a base part mounted on an upper part and movable relative thereto from a clamping position into an insertion position and vice versa, in such a manner that such a clamping tool segment with a movable base can be handled more easily it is suggested that a drive means free from supply lines for the movement of the base part be arranged in the upper part of the clamping tool segment with a movable base, that the drive means have an energy-receiving element for supplying drive energy to an activating device arranged on the bending machine during contact with an energy input element.

REFERENCES:
patent: 4660402 (1987-04-01), Hongo
patent: 4722214 (1988-02-01), Hayashi
patent: 5313814 (1994-05-01), Yamamoto et al.
Patent Abstracts of Japan, Abstract of Japanese Patent, "Bending Machine For Plate Material", Published Dec. 15, 1992 as Application No. 03162258, vol. 17, No. 233, May 12, 1993.

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