Coil actuating apparatus in a coil spring making machine
OwnerTakeji Matsuokainventor
Life of this patent
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Abstract
A coil actuating apparatus in a coil spring making machine in which uniform coil springs are manufactured by alternately actuating reciprocating movement of a rack and stoppage of such movement for a predetermined period of time by rotation of a main cam through reciprocating rotation of a crank arm.
Claims2
A coil actuating apparatus in a coil spring making machine, comprising a frame, a main cam secured to a cam shaft mounted on said frame, means to drive said cam mounted on said frame, a quadrant gear pivotally mounted on said frame carrying a cam follower in contact with an outer peripheral edge of said main cam, a return spring of which one end is secured to a lower portion of said quadrant gear, a driven gear meshing with an upper portion of said quadrant gear, a fastening member, a disc integral with said fastening member fixed to said driven gear, a first support shaft extending through and fixed in the center of said disc, a crank arm secured to one end of said support shaft, a connecting member pivotally connected at one end to said crank arm through a crank pin, a connecting rod connected at one end to the other end of connecting member, a further connecting member secured to the other end of said connecting rod, a connection pivotally secured to said second connecting member, a rack secured to a lower portion of said connection, a pinion supporting a gear meshed with said rack, and a spindle gear carrying a winding shaft meshed with said gear, a setting position of said crank arm in relation to said driven gear being adjustable.
Dependencies are inferred from the claim text.