| 摘要 |
A no-drip, substantially air, vacuum, and liquid tight connection is provided between a conduit and a tank, such as a combined sewage and holding tank for a boat or recreational vehicle. The connection may include first and second hollow tubes having a telescopic relationship when moved into association with each other, and openings within them that are aligned to allow fluid flow between a conduit and the tank. A cover may slide over the first tube and be spring biased into a position covering the first tube, while a blocking element may slide within the second tube and be spring biased to a position blocking the second opening. A holding element may hold the tubes together with their openings aligned against the bias of the springs. Initial positioning elements on the blocking element end wall and the first tube end wall ensure proper relative positioning of those components to facilitate their movement with respect to each other.
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