Coil spring assembly machine

Details Coil spring assembly machine Coil spring assembly machine

1984-05-17

1985-10-22

Husar, Francis S.

Wireworking

Article making or forming

Spring setting

140 3CA, B21F 3500

Patent

active

045482411

ABSTRACT:
A machine for connecting successive rows of coil springs together into a coil spring assembly. The machine, in preferred form, initially picks up a row of coil springs by inserting a pick up finger into the barrel of each coil and moving the springs onto a support platen. In the course of transporting the coils between pick up and the support platen, the pick up fingers change the spacing of the coils. The springs are then compressed against the support platen to a desired height through use of a reciprocable compression bar. Thereafter, and through use of rotatable transfer fingers on a transfer shaft, the springs are removed from under the compression bar, and are moved into clamping dies. Leading rotary transfer fingers on the transfer shaft first pull the row of springs out from under the compression bar, and trailing rotary fingers then push the springs into the downstream one of upper and lower clamping dies. If a leading row of coil springs are already present in the clamping dies, the rows of clamping dies clamp together the upper and lower end loops of the leading and trailing rows of coil springs. The rows of springs are then connected together by helical lacing wires while clamped between the clamping dies.

REFERENCES:
patent: 1633010 (1927-06-01), Findora
patent: 3288176 (1966-11-01), Davis
patent: 3588993 (1971-06-01), Turner

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