Method of manufacturing and delivering coil springs

Details Method of manufacturing and delivering coil springs Method of manufacturing and delivering coil springs

1984-12-18

1987-01-27

Combs, E. Michael

Metal deforming

By deflecting successively-presented portions of work during...

With cutting of work or product

72135, B21F 300, B21F 1100, B21F 2100, B21F 3500

Patent

active

046386530

ABSTRACT:
An automatic spring feeding device is shown which uses a three-sided feedbox having a movable bottom panel for urging a series of springs into rotating bundles against a moving platen which forms the fourth side of the feedbox. The platen is grooved with specially shaped grooves which capture individual springs therein under the urging of a magnet on the opposite side of the platen from the springs. The platen is then carried by a continuous drive chain to a springfeed assembly where the springs are loaded one at a time into a channel from which the springs are metered by a solenoid operated release door. The key to handling the springs without tangling them is to wind each end of the spring with a closely wound coil. After the springs are placed upon a conveyor belt, the unwanted closely wound coil or coils may be removed by a suitable shear.

REFERENCES:
patent: 3238825 (1966-03-01), Dearsley
patent: 3318128 (1967-05-01), Rhodes
patent: 3468407 (1969-09-01), Furst
patent: 3850289 (1974-11-01), Behr et al.
patent: 4011780 (1977-03-01), David
patent: 4063635 (1977-12-01), Heckel
patent: 4081069 (1978-03-01), Ono
patent: 4319861 (1982-03-01), Seragnoli
patent: 4356905 (1982-11-01), Large
patent: 4360095 (1982-11-01), Baldwin et al.

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