Patent ID: 6584823
Filing Date: 2003-07-01
Classification: B21F

Abstract:
Apparatus for selectively manufacturing mattress and furniture coil springs from two different wires, comprising:a powered wire feeding device comprising a pair of opposed wire feed rollers, said rollers being continuously rotatable without interruption in one wire feed direction during the manufacture of spring coils from one of said two different wires, during the changeover from one wire to the other, and during the manufacture of coil springs from the other of said two different wires, said wire feeding device having an input side and an output side; a wire guide disposed adjacent the output side of the powered wire feeding device and adapted to support both of said two different wires; and a coil forming mechanism disposed adjacent the output side of the wire guide, said coil forming mechanism comprising a pair of coil forming tools and at least one coil pitch determining tool, each of said pair of coil forming tools being selectively movable into alignment with one of said two different wires so that one coil forming tool is engageable with and operative to form one wire into a coil and the other coil forming tool is engageable with and operative to form the other wire into a coil.