Contoured double-lip bearing seal

Details Contoured double-lip bearing seal Contoured double-lip bearing seal

1979-11-02

1981-12-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277183, 3081872, F16C 3378

Patent

active

043044123

ABSTRACT:
A contoured double-lip seal and bearing assembly incorporating at least one such seal in the annular gap between the annular races thereof. The double-lip seal comprises a reinforcing washer in which a mass of fluid resistant resilient material is secured and is integrally formed with a pair of annular axially spaced sealing members. The inner sealing member adapted to be disposed adjacent to the anti-friction elements of the bearing is of an arcuate transverse configuration and terminates in a sealing lip of a frusto-conical configuration which projects axially and radially outwardly of the bearing at an acute angle to the axis of the bearing and is disposed in resilient sliding sealing relationship on a cylindrical section of one of the race members. The outer sealing member also terminates in an outer sealing lip of a frusto-conical configuration projecting axially and radially in the same direction as the inner sealing lip and projects at an acute angle to the surface of a chamfer formed on the outer end portion of the one race member.

REFERENCES:
patent: 3049357 (1962-08-01), Kosatka
patent: 3090628 (1963-05-01), Giuliette
patent: 3145996 (1964-08-01), Ninos et al.
patent: 3203740 (1965-08-01), Peickii et al.
patent: 3396977 (1968-08-01), Iguchi
patent: 3572857 (1971-03-01), Hasegawa
patent: 3642335 (1972-02-01), Takahashi et al.
patent: 3709572 (1973-01-01), Pethis
patent: 3792912 (1974-02-01), Howe et al.

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