Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1980-03-24
1981-08-11
Crosby, Gene P.
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72 32, 72310, 72369, B21D 703
Patent
active
042827370
ABSTRACT:
A hand operated bending apparatus is provided for the bending of metal such as tubing and bar by the application of a force to a sweep lever arm cooperating with a preset pivoted force link, thereby urging the metal to follow the contour of a forming die and automatically terminating the bending action at a preset point by the disengagement of the force link from the metal bar.
REFERENCES:
patent: 361523 (1887-04-01), Jeffery
patent: 1349219 (1920-08-01), Moore
patent: 2565646 (1951-08-01), Boyer
patent: 4055065 (1977-10-01), Whetstone
patent: 4167865 (1979-09-01), Powell
Crosby Gene P.
Pinto Patrick J.
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