Patent ID: 8002287

Claim:
A seal arrangement comprising: an outer member defining an outer sealing surface that faces radially inwardly; an inner member offset radially inward from said outer member and defining an inner sealing surface that faces radially outwardly; and a seal interposed between said inner and outer member in an installed position and comprising: a first sealing portion having a first and a second sealing surface, wherein said first sealing surface faces radially outwardly and sealingly engages said outer sealing surface of said outer member in said installed position at a first axial location; a first annular ring disposed in said first sealing portion; a second sealing portion having a third sealing surface that faces radially inwardly and sealingly engages said inner member in said installed position; a second annular ring disposed in said second sealing portion; and a flexible intermediate portion extending between said first and second sealing portions; wherein said outer member defines a first radial edge adjacent said outer sealing surface and wherein an outboard end of said first sealing portion of said seal includes a first overlap shoulder portion extending around said first radial edge outwardly beyond an inner diameter of said outer sealing surface, said first overlap shoulder portion comprising said second sealing surface that is adapted to sealingly engage said first radial edge, said first sealing portion comprising a second overlap portion extending outwardly beyond said inner diameter of said outer sealing surface, said second sealing portion located at a second axial position, said first overlap portion located axially between said first and second axial locations.