Seal means for a self-aligning bearing

Details Seal means for a self-aligning bearing Seal means for a self-aligning bearing

1978-01-16

1978-12-19

Blix, Trygve M.

Cutlery

308 72, 308238, F16C 3374

Patent

active

041303245

ABSTRACT:
The invention contemplates elastomeric-seal application to the so-called plain-spherical variety of self-aligning bearing wherein the outer ring is the product of a swaging operation which causes it to conform its cylindrical bore to a spherical surface at sliding interface with the spherical convex outer surface of an inner-bearing member. Specifically, in the machining of the swaged ring to its ultimate O.D. and other specified dimensions, a deformable axially extending lip is created, in conjunction with an undercut counterbore, at the axial end to be sealed; an elastomeric O-ring is fitted to the counterbore, and the lip is coined-over into retaining and preloading relation with the O-ring.

REFERENCES:
patent: 3126613 (1964-03-01), Litsky
patent: 3449027 (1969-06-01), Bannister
patent: 4060287 (1977-11-01), Orkin

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