Metal deforming – By use of roller or roller-like tool-element – Comprising tool movable relative to stationary work-portion...
Patent
1977-01-07
1978-02-07
Combs, E. M.
Metal deforming
By use of roller or roller-like tool-element
Comprising tool movable relative to stationary work-portion...
72388, 140 71R, 140105, B21D 702, B21F 100
Patent
active
040720365
ABSTRACT:
A rod and wire bending machine including at least one bending unit substantially including a fork member, which guides the wire or rod to be bent, and a disengaged bending pin rotating coaxially about the fork member for the bending of the rod. To obtain the rod-forward/backwardfeed, the fork member lodges a roller, operating in couple with an opposed roller in such a way, that the side edges of the opposed extremities of the fork member project from the roller forming two projecting extremities to cause the rod to move forward and backward between the projecting extremities and its said roller and an opposed one, while the rod is laterally guided by the opposed extremities of the fork member, in order that the bending pin has the capacity to effect bendings about one or the other of the pendants constituted by the two projecting extremities of the fork member.
REFERENCES:
patent: 2770262 (1956-11-01), Gauci
patent: 3245433 (1966-04-01), Taylor
patent: 3286500 (1966-11-01), Weiss
patent: 3872896 (1975-03-01), Yoshimura
patent: 3991600 (1976-11-01), DEL Fabro et al.
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