Patent ID: 7600790

Claim:
A coupling assembly comprising: a male coupling member extending along an axis from a forward end to a rearward end and including a first locking surface with at least a portion of the first locking surface disposed at an angle relative to the axis and a first connection indicator positioned between the first locking surface and the rearward end, wherein the first connection indicator is disposed on an exterior surface of the male coupling member; a female coupling member including a receptacle for receiving the forward end of the male coupling member and an exterior cylindrical surface, the receptacle including a second locking surface with at least a portion of the second locking surface disposed at an angle relative to the axis and the exterior surface including a second connection indicator with a groove; a locking member positionable between the first and second locking surfaces; and a release member adapted to radially cover the first and second connection indicators when the locking member is positioned between the first and second locking surfaces so that no portion of the first and second connection indicators is visible, wherein the first connection indicator is covered only by the release member, and to expose at least one of the first and second connection indicators when the first and second coupling members are disconnected.