US Patent 11618617 Beverage container lid assembly

A lid assembly configured to be coupled to a beverage container, the lid assembly including a base defining an axis, a sip ring rotatable about the axis with respect to the thread base, and an elevator assembly coupled to the sip ring. The elevator assembly includes an upper elevator and a lower elevator coupled to the upper elevator for co-rotation with the upper elevator. Rotation of the sip ring rotation of the sip ring is configured to cause the elevator assembly to translate along the axis.