Patent ID: 8191932

Claim:
A fluid coupling for fluid conducting lines, said coupling comprising: a generally cylindrical socket having a front-end portion and a rear-end portion with an axial fluid-flow pathway through the socket, the front-end portion for releasably engaging a mating member; a valve cartridge mounted in a valve cavity from the front-end portion and along the fluid-flow pathway of the socket and operable to control an aperture along said fluid-flow pathway, said valve cartridge comprising a valve body, a valve member, and a valve spring, the valve member coaxially disposed within the valve body and the valve spring coaxially surrounding the valve member and disposed between the valve body and the valve member, the valve body including the aperture configured to allow the valve member to pass through the aperture; and a stop ring in the valve cavity disposed between the valve cartridge and the front-end portion to secure the valve cartridge in the valve cavity, wherein the stop ring is configured to substantially prevent movement of the valve body relative to the socket, and wherein the valve cavity includes a retaining ring disposed between the stop ring and the front-end portion to maintain the orientation of the stop ring.