Sealing device for roll bearings with compensation for rad

Details Sealing device for roll bearings with compensation for rad Sealing device for roll bearings with compensation for rad

2008-07-08

2008-07-08

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

C277S572000, C277S562000, C072S247000, C384S485000

Reexamination Certificate

active

07396021

ABSTRACT:
A roll stub is rotatable relative to a stationary support and has a rotatable support fixed to the roll stub, an annular and radially directed seal surface fixed on one of the supports, and a seal ring on the other of the supports having a lip engageable with the seal surface. A support element that is substantially less stiff than the seal ring is provided between the other support and the seal ring for biasing the lip against the seal surface while permitting of the seal ring relative to the other support. A clamp body rotationally fixed to the other support directly engages the seal ring and presses the seal ring directly against an abutment. Interengaging tooth formations on the clamp body and on the seal ring arrest the seal ring on the other support against angular movement thereon while permitting relative radial movement.

REFERENCES:
patent: 2050137 (1936-08-01), Walsh
patent: 2181203 (1939-11-01), Reynolds
patent: 2955857 (1960-10-01), Smith
patent: 3383883 (1968-05-01), Dutaret
patent: 3980309 (1976-09-01), Dechavanne
patent: 4289321 (1981-09-01), Cather, Jr.
patent: 4898479 (1990-02-01), Simmons
patent: 5145219 (1992-09-01), Babuder
patent: 6623047 (2003-09-01), Olechnowicz et al.

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