Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent
1987-06-11
1989-05-16
Jones, David
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
Comprising lever manipulated to force work
72402, B21J 1308
Patent
active
048298069
ABSTRACT:
A tube bender for making accurate offsets and saddles in electrical conduit wherein a first tube-bending anvil is adapted to be positioned flat against a mounting plate at various specified distances above a flat work surface, the distance of the offset or saddle, the plate and anvil being supported vertically above the surface on legs extending outward from the plate, the anvil used in cooperation with a second, hand-held tube-bending anvil, wherein a bendable tube supported therebetween can be formed into an offset with one downward motion applied to the second anvil for displacing the electrical conduit the distance of the offset and wherein a saddle may be formed by doubling an offset.
REFERENCES:
patent: 1650955 (1927-11-01), Miller
patent: 1835264 (1931-12-01), Blythe
patent: 1859406 (1932-05-01), Meighan
patent: 2349525 (1944-05-01), St. Clair
patent: 2630033 (1953-03-01), Stover
patent: 4620431 (1986-11-01), Muldoon
Jones David
Murphey John J.
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