Patent ID: 6435516
Filing Date: 2002-08-20
Classification: F16J

Abstract:
In a neck seal having a flexible, circular seal body with a top surface; a pair of axially spaced circular flexible flanges integral with and extending radially outwardly from said seal body at opposite ends of an exterior cylindrical surface; flexible lips integrally joined to and extending angularly outwardly away from said flanges; the improvement which comprises:an interior surface, concave throughout, an outermost portion of said concave interior surface defining an interior surface of an oil-side lip, said oil-side lip having an exterior surface extending obliquely upwards from said top surface of said seal body from a point whereat said oil-side lip joins said seal body; a portion of an outermost end of said exterior surface extending radially downward from said exterior surface to form a first stop integral with said oil-side lip and adjacent to said exterior surface; a portion of a body outermost end of said seal body extending radially upwards from said top surface to form a second stop integral with said seal body and adjacent to said top surface; and, a v-shaped spring having a first end and a second end, said v-shaped spring disposed in a v-shaped groove defined by said exterior surface of said oil-side lip and said top surface of said seal body such that said first end rests against said first stop and said second end rests against said second stop.