Seal device

Details Seal device Seal device

2007-11-20

2007-11-20

Engle, Patricia (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

C277S394000, C277S397000

Reexamination Certificate

active

10991423

ABSTRACT:
A seal device that includes a seal portion protruding from a resilient body member in a common direction with a seal lip member. The seal portion being shorter in length and having a thickness that is thinner than the lip seal member. A gap is defined between an action diameter surface of the seal lip member and one of either a retainer portion or a ring member, wherein the seal portion contacts the other one of the retainer portion or ring member. A pressure receiving groove is defined between the seal lip member and the seal portion, and is in communication with the gap.

REFERENCES:
patent: 3241844 (1966-03-01), Morley
patent: 4256315 (1981-03-01), Larson et al.
patent: 5195755 (1993-03-01), Ootsuka et al.
patent: 5826884 (1998-10-01), Anderton et al.
patent: 6086069 (2000-07-01), Bedford
patent: 6494459 (2002-12-01), Zutz
patent: 2 337 798 (1999-12-01), None

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