Patent ID: 6997461

Claim:
A seal assembly for disposition in sealing relation between an aperture formed in a housing wall and a rotatable shaft extending through the aperture to contain fluid within the interior of the housing, said seal assembly comprising: an annular rigid retainer member having an outer diameter axially extending portion and an inner diameter portion, said inner diameter portion configured for extending toward the shaft; and a resilient annular seal body secured to said retainer member, said seal body having a sealing lip adapted for sealing engagement with the shaft and an axially extending outer diameter body portion adapted for sealing against the housing, said axially extending outer diameter body portion being disposed adjacent said outer diameter axially extending portion of said retainer, said sealing lip having a shaft contacting point and a lip surface disposed radially outward of said shaft contacting point, the lip surface extending from said shaft contacting point on a hydraulic side thereof, said sealing lip being suitably configured such that when said sealing lip being in a compression state during installation of said seal assembly, the lip surface of said sealing lip includes a first face, a second face contiguous with the first face, and a third face contiguous with the second face, the first face being disposed between said shaft contacting point and the second face, the second face being angularly inclined with respect to the first face, the second face being angularly inclined with respect to the third face.