Patent ID: 8015850

Claim:
A spring manufacturing machine comprising: a wire passage through which a wire fed by a wire feeding roller passes; first, second and third bending units provided at an outlet of the wire passage so that they are capable of freely advancing toward and retreating from a wire processing space where the wire fed from the wire passage is processed into a coil spring; and two drive sources for driving said second and third bending units, respectively, wherein an advance/retreat direction of said first bending unit is placed along a wire feeding direction, said second and third bending units are placed on both sides of an advance and retreat area of said first bending unit, said first bending unit includes a swing bar which has one end connected to a center section of said first bending unit in the advance/retreat direction and other end to which a bending die is mounted, and swings on the one end as a center of swing, and said swing bar is connectable to one of said second or third bending unit through a connecting member and caused to swing by a driving force of the driving source for driving the one bending unit.