Uni-directional seal for use on a shaft

Details Uni-directional seal for use on a shaft Uni-directional seal for use on a shaft

1997-04-10

1999-07-13

Nicholson, Eric K.

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

277549, F16J 1532

Patent

active

059215550

ABSTRACT:
A uni-directional seal member for use on a shaft includes a rigid shell, a support member in contact with the rigid shell, and a resilient sealing member in contact with the support member and an insert washer. The sealing member has a sealing face, where that sealing face has a contact area having a radially extending profile of a cyclically repeating shape.

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