Forming machine for bending metal bars

Details Forming machine for bending metal bars Forming machine for bending metal bars

1978-02-15

1979-11-13

Husar, Francis S.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

B21D 7024

Patent

active

041738845

ABSTRACT:
An apparatus is provided for shaping metal bars, particularly for forming eyes in spring leaves. The forming machine includes a table supported on a main frame and rotatable about an axis, a mandrel extending from the table about the axis, a positionable back stop member on the frame adapted to be operatively engaged with the work piece which is to be formed about the mandrel, a jaw assembly actuable to clamp the workpiece against the mandrel, and means to rotate the table to form the workpiece about the mandrel.

REFERENCES:
patent: 2430899 (1947-11-01), Wallace
patent: 2971224 (1961-02-01), Overholser
patent: 3260091 (1966-07-01), Shaw
patent: 4052875 (1977-10-01), Sakamoto

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