Bending machine

Details Bending machine Bending machine

1987-06-08

1989-01-03

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72213, 72308, B21D 700

Patent

active

047947799

ABSTRACT:
A hand operated rebar bender and bent rebar straightener which includes a base, a pair of spaced apart bending posts and a linearly reciprocal slide disposed between the posts and movable reciprocally in directions perpendicular to a line interconnecting the posts. The slide defines a first and a second groove, both adapted to receive rebar, which move with the slide. The first groove is positioned so that straight bar to be bent is originally tangent to the peripheries of the posts. The slide is movable over a distance sufficient to move the first groove past the line interconnecting the posts so that the appropriate bend is formed in the rebar. The second groove is positioned so that in one of the limiting positions of the slide travel it is relatively further removed in the direction of slide travel from the bending posts than the first groove to permit the insertion of bent rebar therein. The bent rebar is straightened by moving the slide, and therewith the second groove until the rebar in the second groove is substantially tangent to the peripheries of the bending posts, at which the point the previously bent rebar is straight.

REFERENCES:
patent: 2144321 (1939-01-01), Bauberger et al.
patent: 3333445 (1967-08-01), Mergler et al.
patent: 3568493 (1971-03-01), Wirt et al.
patent: 4005593 (1977-02-01), Goldberg
patent: 4304117 (1981-12-01), Rawson
patent: 4594875 (1986-06-01), Schweitzer

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