Patent ID: 9746081
Date: 2017-08-29
CPC Classifications: F16J

Claim:
1. A seal system, comprising: an outer member defining a bore; an inner member received in the bore; an outer annular insert having a first diameter; an inner annular insert having a second diameter smaller than said first diameter; and a unitary elastomeric body including an outer portion over-molded on said outer annular insert and an inner portion defining a seal over-molded on said inner annular insert and including an intermediate web extending between said outer portion and said inner portion, said intermediate web extending both axially and radially relative to a center axis of said outer annular insert, said seal of said inner portion of said elastomeric body including an inboard sealing surface in direct engagement with the inner member and said outer portion of said elastomeric body including an outboard sealing surface in direct engagement with an inner surface of the bore of the outer member, wherein an annular gap is defined between said over-molded inner annular insert and said inner member, wherein said seal includes an annular flap that, in an un-installed condition, extends at an angle relative to said inner annular insert, and in an installed position, is disposed in the annular gap between the inner annular insert and the inner member, and the annular gap provides limited space so that an entire circumference of the annular flap is compressed by said inner annular insert against the inner member.