Patent ID: 6739577
Filing Date: 2004-05-25
Classification: F16L,Y10S

Abstract:
A coupling member comprising:a coupling body having a fluid passageway therein; a valve seat in the passageway; a valve movably mounted in the passageway for movement into and out of seating engagement in the valve seat; a biasing device yieldably bearing against the valve; and a resiliently extensible member coupled under tension to the biasing device and yieldably urging the biasing device against the valve and thereby urging the valve toward or away from the seat, wherein the resiliently extensible member is located outside of the passageway, wherein a lever is pivoted in the body having an inner end in the passageway and an outer end outside of the passageway; and wherein the resiliently extensible member is coupled to the outer end of the lever and yieldably urges the inner end to apply pressure against the biasing device causing it to urge the valve toward or away from the valve seat.