Method of making a garter-type axially resilient coiled spring

Details Method of making a garter-type axially resilient coiled spring Method of making a garter-type axially resilient coiled spring

1988-11-07

1989-10-31

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29446, 72135, 140 89, B21F 3702, B21F 312

Patent

active

048767816

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 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 the normal line. Specific resilient performance, or load-deflection characteristics, of the spring is obtained by controlling the back angle. At selected back angles, the leading portion may be disposed at front angles beyond the range heretofore thought possible.

REFERENCES:
patent: 2378054 (1945-06-01), Blumensaadt
patent: 2587810 (1952-03-01), Beyer
patent: 3323785 (1967-06-01), Mather
patent: 3468527 (1969-09-01), Mather
patent: 3890687 (1975-06-01), Goldberg
patent: 3966183 (1976-06-01), Mayer, Sr.
patent: 4655462 (1987-04-01), Balsells

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