Bending machine for tubing, bar and the like

Details Bending machine for tubing, bar and the like Bending machine for tubing, bar and the like

2005-02-15

2005-02-15

Crane, Daniel C. (Department: 3725)

Metal deforming

By deflecting successively-presented portions of work during...

By use of work-contacting wiper and moving, work-holding form

C072S149000, C072S307000

Reexamination Certificate

active

06854311

ABSTRACT:
A bending machine for the bending of tube, rod and bar shaped workpieces (24, 24a) includes a machine base unit (2), a collet (6) for mounting a workpiece, and a tool assembly (15) with at least one bending tool. The bending tool can be opened and closed in the transverse direction of the workpiece by the relative movement of tool components to form a workpiece holder. The tool assembly (15) is mounted on a swivel support (10) to rotate around a tool axis of rotation (16) extending axially of the workpiece, and the swivel support (10) is mounted on the machine base unit (2) to be rotatable around a swivel support axis of rotation (11) extending in the axial direction (12) of the workpiece. The swivel support axis of rotation (11) and the tool axis of rotation (16), and the tool axis of rotation (16) and the workpiece holder, are radially offset relative to one another.

REFERENCES:
patent: 4945747 (1990-08-01), Yogo
patent: 5010758 (1991-04-01), Togoshi
patent: 5927126 (1999-07-01), Biella
patent: 5946960 (1999-09-01), Lanticina
patent: 6185968 (2001-02-01), Kanamori
patent: 6189353 (2001-02-01), Kanamori
patent: 6237380 (2001-05-01), Kanamori
patent: 3620151 (1987-02-01), None
patent: 0446819 (1992-09-01), None
patent: 62267021 (1994-08-01), None
patent: 2001212624 (2001-08-01), None

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