Laminated bearings having elastomer layers of varying dimensions

Details Laminated bearings having elastomer layers of varying dimensions Laminated bearings having elastomer layers of varying dimensions

1978-04-03

1982-09-14

Butler, Douglas C.

Spring devices

Rubber

248634, 267 571R, 267 63R, 2671404, 2671411, 2671417, 285223, 308 2A, 308 26, 308238, 403228, 416134A, F16F 136, F16C 2700, F16C 3300

Patent

active

043491847

ABSTRACT:
A bearing for carrying compressive radial loads comprising alternating bonded layers of a resilient material of a uniform modulus of elasticity and layers of a non-extensible material, all generally concentrically formed about a common center axis. The fatigue life of the bearing under torsional and compressive loads is enhanced by progressively decreasing both the length and thickness of each layer of resilient material with increasing radii, so that a substantially equal strain is carried across each layer of resilient material in response to each torsional load and the shape factor of each of the layers of resilient material remains substantially constant or increases with increasing radii.

REFERENCES:
patent: 3020036 (1962-02-01), Kleinschmidt
patent: 3169881 (1965-02-01), Bodine, Jr.
patent: 3200887 (1965-08-01), Ballauer
patent: 3282350 (1966-11-01), Kisovec
patent: 3390899 (1968-07-01), Herbert et al.
patent: 3467353 (1969-09-01), Peterson et al.
patent: 3471207 (1969-10-01), McCloskey
patent: 3556673 (1971-01-01), Killian
patent: 3666301 (1972-05-01), Jorn
patent: 3679197 (1972-07-01), Schmidt
patent: 3680895 (1972-08-01), Herbert et al.
patent: 4068868 (1978-01-01), Ohrt
patent: 4173360 (1979-11-01), Bergman et al.

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