Automatic spring compressing machine

Wireworking – Article making or forming – Spring setting

Patent

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Details

72424, B21F 3500

Patent

active

045440026

ABSTRACT:
A machine for compressing compression coil springs to length. A crank-operated plunger reciprocates within a chamber receiving springs to be compressed, and from a magazine springs are automatically fed into the compression chamber and released therefrom. Transfer of the springs from the magazine to the chamber and retaining and release of the springs relative to the chamber is controlled by cam operated plates.

REFERENCES:
patent: 377803 (1888-02-01), Goddard
patent: 496722 (1893-05-01), Cliff
patent: 1633010 (1927-06-01), Findora
patent: 1981135 (1934-11-01), Block
patent: 4101284 (1978-07-01), Difiglio et al.

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