Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent
1989-05-16
1990-06-19
Jones, David
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
Comprising lever manipulated to force work
B21D 1120
Patent
active
049341758
ABSTRACT:
A tool and method for bending sheet metal. A pair of right angle members are spaced apart, but welded together forming a slot through which sheet metal may be extended. A removable rod configured tool is inserted through one of the members for application of leverage force to the tool about its longitudinal axis forming a bend in the sheet metal extending through the slot.
REFERENCES:
patent: 1744413 (1930-01-01), Peterson et al.
patent: 1909284 (1933-05-01), Kuhn
patent: 2222081 (1940-11-01), Leigh
patent: 2857792 (1958-10-01), McNish
patent: 3848454 (1974-11-01), Hall
patent: 4191043 (1980-03-01), Schaffer
patent: 4315422 (1982-02-01), McBride
Hensler Charles L.
Hensler Stan L.
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