Patent ID: 8313105

Claim:
A probe seal assembly for a female hydraulic coupling member comprising: a generally cylindrical, ring-shaped piston having a first, generally planar, interior end and an opposing, second, generally planar, exterior end; the first and second ends are parallel to each other; a generally ring-shaped elastomer seal having a first, interior end configured to bear against the second end of the piston with an extension on the seal which extends at least partially into the piston and an opposing, second end comprising a surface disposed at an acute angle to the longitudinal axis of the seal; a generally ring-shaped retainer having means for engaging the body of a female hydraulic coupling member, a first, exterior end and an opposing, second, interior end comprising a shoulder disposed at an acute angle to the longitudinal axis of the retainer which shoulder abuts the angled surface at the second end of the seal when the seal assembly is installed in a female hydraulic coupling member.