Machines for the manufacture of springs fitted with eyelets or h

Details Machines for the manufacture of springs fitted with eyelets or h Machines for the manufacture of springs fitted with eyelets or h

1978-07-03

1979-04-03

Combs, E. M.

Metal deforming

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

To form helical coil or tube

140103, B21F 3027, B21F 3502

Patent

active

041470486

ABSTRACT:
The invention relates to machines, for the manufacture of springs, of the type which produce springs with a hook in a plane passing through the axis of said spring at one end, and a hook lying in the extension of the last turn of the spiral at the other end. The improvement is that means are provided for transferring the roughed-out spring in front of a device, for straightening the second hook, which is angularly displaced in relation to the machine, the transfer being effected by an axial movement of the blank, followed by rotation, and ending with a further axial movement.

REFERENCES:
patent: 2809675 (1957-10-01), Silko
patent: 3028904 (1962-04-01), Halvorsen
patent: 3032076 (1962-05-01), Bonde et al.
patent: 3192748 (1965-07-01), Lange
patent: 3230985 (1966-01-01), Kaufmann

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