Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
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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