Tight bearing suitable for exceptionally heavy duty conditions

Details Tight bearing suitable for exceptionally heavy duty conditions Tight bearing suitable for exceptionally heavy duty conditions

1988-01-25

1988-12-20

Levy, Stuart S.

Bearings

Rotary bearing

Antifriction bearing

384478, 384480, 384486, F16C 3372, F16C 3376, F16C 3380

Patent

active

047922427

ABSTRACT:
A tight bearing suitable for exceptionally heavy duty conditions is supplied with side screens (14) made of a plate composition (16) which is restrained to the external ring (10) of the bearing and forms a labyrinth seal against the internal ring (11), and of plastic and elastomer materials (15) supplied with a lip (17) which creates friction on the internal ring (11); other plates (18) are assembled externally with respect to the screens (14) and are integral on the internal ring (11) and form a labyrinth seal (23) with the external ring (10) of the bearing; the internal face of the external plates (28) is lined with a layer of plastic and elastomer material (19) from which at least one lip (20) extends and forms an essentially axial seal against the external face of the plate (16) of the internal adjacent screen (14); the lip (20) of the layer (19) which lines the internal face of the external plates (18 ) slips and seals along a certain length (21) of bent conical converging internal plate (16) towards the internal ring (11) and towards the external part of the bearing.

REFERENCES:
patent: 3639016 (1972-02-01), Bourgeois
patent: 3994545 (1976-11-01), Van Dorn
patent: 4516783 (1985-05-01), Mitsue et al.
patent: 4555188 (1985-11-01), Neal
patent: 4669895 (1987-06-01), Colanzi et al.

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