Trunnion bearing dust seal

Details Trunnion bearing dust seal Trunnion bearing dust seal

1990-01-08

1990-10-30

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

384408, 277147, F16C 3374

Patent

active

049664719

ABSTRACT:
A seal assembly for a rotating drum in which a trunnion is secured relative to the drum for rotation therewith and is supported by a bearing assembly. At least one seal ring engages a shoulder of the trunnion in an area adjacent to the bearing surfaces of the trunnion and the bearing assembly. The seal ring is laterally held loosely in place by at least one retaining ring and is biased against the trunnion by a spring loaded cable. A lubricant is injected between the trunnion and the bearing assembly and collects in at least one reservoir. The lubricant is absorbed by the seal ring from the reservoir through a wick.

REFERENCES:
patent: 1903166 (1931-08-01), Bryant
patent: 1946511 (1931-10-01), Van Pelt
patent: 3087734 (1963-04-01), Klinger
patent: 3401893 (1968-09-01), Reynolds
patent: 3745391 (1973-07-01), Dochterman
patent: 3746268 (1973-07-01), Kastrinos
patent: 3940189 (1976-02-01), Renk et al.
patent: 4181263 (1980-01-01), Stevens
patent: 4200345 (1980-04-01), Walker

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