Tube bender

Details Tube bender Tube bender

1997-03-10

1998-06-09

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

723891, 723899, B21D 905

Patent

active

057619506

ABSTRACT:
A tube bender includes a stepped handle having a second end portion with a level higher than that of a first end portion. A passage is defined in the second end portion of the handle for receiving a pushing rod. An L-shaped supporting base is fixedly mounted on the first end portion of the handle and has a vertical section on which a tube-bending block is mounted. An L-shaped driving ever has a vertical section pivotally mounted on an underside of the second end portion of the handle. A driven member is mounted between the vertical section of the driving lever and an underside of the pushing rod for moving the pushing rod, which in turn moves two auxiliary tube-bending blocks toward the tube-bending block.

REFERENCES:
patent: 3824835 (1974-07-01), Jackson
patent: 5237847 (1993-08-01), Owens
patent: 5528921 (1996-06-01), Herman
patent: 5615572 (1997-04-01), Johnson et al.

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