Method of making a Belleville spring

Details Method of making a Belleville spring Method of making a Belleville spring

1996-07-29

1998-11-10

Echols, P. W.

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

298969, 2989691, 267161, 403294, 403381, C21D 902, F16F 134

Patent

active

058337768

ABSTRACT:
A Belleville spring comprising a thin strip of hardened spring steel coiled into a circular shaped body with a frusto-conical configuration having an inner diameter and an outer diameter, wherein the strip has two free ends and the coiled spring steel body has the free ends joined together.

REFERENCES:
patent: 438822 (1890-10-01), Philion
patent: 819866 (1906-05-01), Dobson
patent: 2236206 (1941-03-01), Becker
patent: 3259383 (1966-07-01), Johnson et al.
patent: 3668917 (1972-06-01), Komatsu et al.
patent: 4039354 (1977-08-01), Schober
"Belleville Spring Washers" Published by Associated Springs--pp. 71-77.

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