Spherical spacer of a crossed roller bearing assembly

Details Spherical spacer of a crossed roller bearing assembly Spherical spacer of a crossed roller bearing assembly

1988-12-22

1990-01-30

Footland, Lenard A.

Bearings

Linear bearing

Alternating roller; or antifriction bearing for auto seat

384 44, 384447, 384551, 384552, 384619, F16C 1940

Patent

active

048969745

ABSTRACT:
A crossed roller rolling contact bearing assembly includes a pair of first and second members which move relative to each other, a guide channel defined between the first and second members and a plurality of rollers provided in the guide channel in a crossed arrangement with a spacer interposed between any two adjacent rollers. The spacer has a generally spherical outer peripheral surface and a pair of recessed, arc-shaped guide surfaces which have generatrix lines extending perpendicular to each other. Becuase of the spherical outer shape of the spacer, a generally wedge-shaped space is defined between the roller and the spacer so that a quantity of lubricant may be reserved therein to keep the guide channel sufficiently lubricated at all times.

REFERENCES:
patent: 4588311 (1986-05-01), Heier et al.
patent: 4687345 (1987-08-01), Geka
patent: 4746228 (1988-05-01), Shimo
patent: 4795277 (1989-01-01), Colanzi

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