Spring forming means in automatic coil spring assembling machine

Details Spring forming means in automatic coil spring assembling machine Spring forming means in automatic coil spring assembling machine

1977-06-29

1978-09-05

Culver, Horace M.

Wireworking

Article making or forming

Helix screwing through row of loops or openings

140 3CA, 72137, B21F 2716

Patent

active

041112415

ABSTRACT:
Automatic machinery for producing assemblies of coil springs wherein wire is fed to a coiling station for the formation of individual coil springs and wherein transport equipment delivers the coil springs to an assembly station where the springs are tied together into complete assemblies. Indentation means are located for forming indentations in the opposite end convolutions of each coil spring prior to delivery to the assembling station. The indentation means include dies positioned in the path of movement of the transport equipment, and the movement of the transport equipment is stopped as each spring is positioned in the area of the dies. The dies then operate to form the indentations in the respective convolutions.

REFERENCES:
patent: 1716093 (1929-06-01), Stackhouse
patent: 1905459 (1933-04-01), Gail
patent: 2779860 (1957-01-01), Conrad
patent: 3010491 (1961-11-01), Pearson
patent: 3205915 (1965-09-01), Kamp
patent: 3313325 (1967-04-01), Wells
patent: 3334665 (1967-08-01), Black

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