US Patent 10104993 Seal mechanism for beverage container

A lid assembly for a beverage container having a lid housing, a seal assembly and a trigger member. The seal assembly has one or more drink seals that engage a corresponding one or more drink apertures to close the drink apertures. The seal assembly is rotatedly connected to the lid housing and movable between a use position and a cleaning position for cleaning. The trigger member is connected to the lid housing and is capable of engaging the seal assembly in the use position, but not in the cleaning position. The trigger member is connected to the seal assembly such that the vent aperture is opened during a first portion of the operation of the trigger, and the drink apertures are opened during a second portion of the operation of the trigger so that the vent aperture is opened before the drink apertures.