Shaft seal assemblies

Details Shaft seal assemblies Shaft seal assemblies

1978-05-11

1980-04-01

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 58, 3081871, 277237R, F16J 1532

Patent

active

041958543

ABSTRACT:
In a shaft seal assembly for a shaft rotatably mounted in a frame with a ball bearing, the seal includes an elastomer sleeve that bears on a ring fitted over the shaft, the ring in turn bearing axially on a stop. In one embodiment, electrical contact between the ring and the stop on the one hand and electrical contact between the ring and the shaft on the other ground any stray electrical currents in the ball bearings.

REFERENCES:
patent: 2992027 (1961-07-01), Wright et al.
patent: 3099454 (1963-07-01), Walinski
patent: 3207521 (1965-09-01), Dega
patent: 3455564 (1969-07-01), Dega
patent: 3510138 (1970-05-01), Bowen et al.
patent: 3741615 (1973-06-01), Otto
patent: 3814446 (1974-06-01), Derman
patent: 3893735 (1975-07-01), Brenner
patent: 3917286 (1975-11-01), Loyd
patent: 3947077 (1976-03-01), Berg et al.
patent: 4102538 (1978-07-01), Bertin

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