Rotary bending tool with continuous lubrication

Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path

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72313, B21D 501

Patent

active

053416694

ABSTRACT:
A rotary bending tool, consisting of a rotary bending head, a saddle block with bearing surfaces and retaining key for holding the rotary bending head, a restoring member for the rotary bending head and a bottom die, the bearing assembly of the rotary bending head being equipped with a continuous lubricating device. The continuous lubricating device consists preferably of lubricant chambers, which are fed via a lubricant-delivery duct. Preferably the restoring member for the rotary bending head is integrated in the lubricant-delivery duct.

REFERENCES:
patent: 4002049 (1977-01-01), Randolph, Sr.
patent: 4181002 (1980-01-01), Eckhold et al.
patent: 4434644 (1984-03-01), Gargrave et al.
patent: 4535619 (1985-08-01), Gargrave

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