Metal working – Method of mechanical manufacture – Process for making bearing or component thereof
Patent
1990-01-24
1992-02-11
Cuda, Irene
Metal working
Method of mechanical manufacture
Process for making bearing or component thereof
29446, 29447, 29898041, 29898062, 384548, B21D 5300
Patent
active
050865609
ABSTRACT:
A pre-stressed radial thrust frictionless bearing device comprising an annular inner race with a certain outer radius, an annular outer race with a certain inner radius, and an array of bearings rolling between the inner and outer races. Each of the bearings has a circular cross section of a certain diameter prior to assembly. Each of the bearings is pre-stressed into an oval or elliptical cross section following assembly. The device is assembled by heating and/or cooling parts of the device to temporarily change their dimensions to permit assembly without pre-stressing, and then permitting all the parts to return to the same temperature and corresponding dimensions causing pre-stressing.
REFERENCES:
patent: 2080400 (1937-05-01), Fredrickson
patent: 2633627 (1953-05-01), Olmstead
patent: 2759243 (1956-08-01), Smith
patent: 2885767 (1959-05-01), Barish
patent: 2913859 (1959-11-01), Koch
patent: 3054164 (1962-09-01), Recknagel
patent: 3401441 (1968-09-01), Sutowski
patent: 3405435 (1968-10-01), Sutowski
patent: 3765071 (1973-10-01), Bowen
patent: 4002380 (1977-01-01), Bowen
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