Mechanism to prevent rotation

Details Mechanism to prevent rotation Mechanism to prevent rotation

1997-03-07

1998-10-13

Jones, David

Metal deforming

By or with work-constrainer and/or manipulated work-forcer

Comprising lever manipulated to force work

72217, 72479, 16111R, B21D 702, B21D 7024

Patent

active

058195815

ABSTRACT:
A mechanism to prevent a handle from rotating out of the plane of bending during the bending of a tube. This mechanism is used in a compression bending process in conjunction with a hinged handle. The mechanism prevents the handle from rotating about the hinged point during the bending process. The mechanism adds rigidity to the bending device and is thus responsible for limiting excess deforming of the work piece.

REFERENCES:
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patent: 3757560 (1973-09-01), Hargash
patent: 4167865 (1979-09-01), Powell
patent: 4608849 (1986-09-01), Brugman
patent: 4765168 (1988-08-01), Stange et al.
patent: 5220818 (1993-06-01), Hansen
patent: 5626045 (1997-05-01), Bulle

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