Wire spring forming apparatus

Details Wire spring forming apparatus Wire spring forming apparatus

2006-04-11

2006-04-11

Banks, Derris H. (Department: 3725)

Metal deforming

By deflecting successively-presented portions of work during...

To form helical coil or tube

C072S137000

Reexamination Certificate

active

07024901

ABSTRACT:
A high-speed wire spring forming apparatus capable of easily adjusting a coil diameter is provided that includes: a wire feeder having a pair of feeding rollers for feeding a wire to a spring forming stage via a quill serving as a wire guide; a revolving mechanism for revolving the feeding rollers about the axis of the wire to twist the wire fed out of the leading end of the quill to change the circumferential position, or angular position, of the wire; and a multiplicity of spring forming tools arranged radially on a spring forming stage, each of the spring forming tools movable in a direction substantially perpendicular to the axis of the wire.

REFERENCES:
patent: 4607517 (1986-08-01), Finzer et al.
patent: 6397900 (2002-06-01), Sautter et al.
patent: 2002/0108420 (2002-08-01), Itaya

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