Apparatus for forming a bar positioning member

Details Apparatus for forming a bar positioning member Apparatus for forming a bar positioning member

1981-06-12

1983-03-01

Ramsey, Kenneth J.

Wireworking

Loop forming

B21F 2710, B21F 104

Patent

active

043752306

ABSTRACT:
An apparatus for making a bar positioning member of a single wire which has a plurality of S-shape doubled-back portions spaced along the length thereof to form indentations for receiving metal bars transverse to the wire. The apparatus comprises guide means for intermittently moving a wire along a fixed path and a pendulumlike mold member swingable about the base end thereof. The mold member has a grip to hold an intermediate portion of the wire, and the contour of the base end is shaped in conformity with the shape of the identation. After forming a S-shaped indentation in the wire by rotation of the mold member through about 180.degree. the mold member is retracted to allow the wire to be advanced for formation of the next indentation. Also, notch means on the mold member and corresponding punch means provide an inwardly directed projection for retaining a bar in the indentations.

REFERENCES:
patent: 468584 (1892-02-01), Symonds
patent: 2456532 (1948-12-01), Perazzo
patent: 3847189 (1974-11-01), Guzda

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