Multiple wire feed for spring coiling machine and method

Details Multiple wire feed for spring coiling machine and method Multiple wire feed for spring coiling machine and method

2005-06-28

2005-06-28

Ostrager, Allen (Department: 3725)

Metal deforming

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

To form helical coil or tube

C140S0030CA, C226S110000, C226S109000

Reexamination Certificate

active

06910360

ABSTRACT:
An apparatus for making mattress and upholstery spring coils. The apparatus has a wire feeding device and a wire guide adapted to support first and second wires of different diameters. The wire guide is movable to first and second positions to align the first and second wires, respectively, with the wire feeding device. A spring coiling machine is positioned adjacent the wire feeding device. When the wire guide is in the first position, the spring coiling machine receives the first wire of one diameter from the wire feeding device; and the spring coiling machine bends the first wire into a spring coil of a desired diameter and pitch and having a first stiffness. When the wire guide is in the second position, the spring coiling machine receives the second wire of another diameter from the wire feeding device; and the spring coiling machine bends the second wire into a spring coil of the desired diameter and pitch but having a second stiffness.

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