Manufacturing method for canted-coil spring with turn angle and

Details Manufacturing method for canted-coil spring with turn angle and Manufacturing method for canted-coil spring with turn angle and

1988-12-13

1990-10-09

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21F 3500

Patent

active

049612530

ABSTRACT:
A garter-type axially resilient coil spring includes a plurality of coils canted along a centerline thereof with each coil having a trailing portion and a leading portion. The disposition of the trailing portion is defined by a back angle between the trailing portion and a line normal to the centerline and the disposition of the leading portion is defined by a front angle between the leading portion and a normal line. Specific resilient performance, or load-characteristics, of the springs are obtained by controlling a turn angle of the coil spring. At selected turn angles, springs exhibit a resilient working area bounded by steep load-deflection characteristics.

REFERENCES:
patent: 3183010 (1965-05-01), Bram
patent: 3323785 (1967-06-01), Mather
patent: 3468527 (1969-09-01), Mather
patent: 4655462 (1987-04-01), Balsells

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