Pipe bending device

Details Pipe bending device Pipe bending device

1995-02-24

1996-10-22

Crane, Daniel C.

Metal deforming

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

Plural or complex apparatus

72217, B21D 7024

Patent

active

055665659

ABSTRACT:
A pipe bending device comprising a movable unit mounted on a bed in a manner to move longitudinally of the bed. The movable unit carries a twisting motor, a bending/twisting motor, and a support plate projecting upright. A pipe retaining unit is mounted on the projecting end portion of the support plate for retaining a pipe to be worked and is rotated by a twisting plate by a predetermined angle within 360 degrees on the axis of the retained pipe. A bending roller unit is mounted on the twisting plate for bending the pipe, which is held by the twisting plate, by a predetermined angle in a plane normal to the twisting plate. A first rotation transmitting train is arranged on one side of the support plate for transmitting the rotation of the twisting motor to the twisting plate. A second rotation transmitting train is arranged on the other side of the support plate for transmitting the rotation of the bending/twisting motor to the bending roller unit.

REFERENCES:
patent: 2754881 (1956-07-01), Shaw
patent: 4485658 (1984-12-01), Stewart
patent: 4735075 (1988-04-01), Saegusa

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