Ceramic bearing

Details Ceramic bearing Ceramic bearing

1990-09-27

1992-01-28

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

3849051, 3849071, F16C 1710

Patent

active

050838733

ABSTRACT:
A ceramic bearing is provided by a ceramic inner ring and a ceramic outer ring. The ceramic inner ring includes an axial hole for receiving a shaft at the center of the inner ring. The inner ring further includes an outer cylindrical surface coaxial with the axial hole, and a plane surface extending from the cylindrical surface. The plane surface is perpendicular to the axial hole. The ceramic outer ring includes an inner cylindrical surface which slidably contacts the outer cylindrical surface of the ceramic inner ring, and a plane surface which slidably contacts the plane surface of the ceramic inner ring. The shaft is fixed within the axial hole of the inner ring, and sliding does not occur between the shaft and the inner ring. Accordingly, there is no chance of abrasion on the shaft even after a long period of use.

REFERENCES:
patent: 1817891 (1931-08-01), Claus
patent: 3802756 (1974-04-01), Turner

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