Patent ID: 8056745
Filing Date: 2011-11-15
Classification: A47J,B65D

Abstract:
1. A stopper comprising: a support shell defining an interior portion having an open-ended fluid flow channel extending between an inlet and an outlet, a valve housing disposed inside the interior portion and having an opening adjacent the inlet of the fluid flow channel; and a valve assembly at least partially disposed inside the valve housing comprising: a movable valve member having an elongated shaft extending from inside the valve housing through the opening to outside the support shell, the elongated shaft having an interior portion inside the valve housing and an exterior portion outside the support shell coupled to a plug adjacent the inlet of the fluid flow channel; a biasing member disposed within the valve housing and connected to the interior portion of the elongated shaft; a lever member pivotably mounted to the support shell to pivot between an closed position and an open position, the lever member having a cam follower; and a link member having a contoured cam surface, the link member being connected to the interior portion of the elongated shaft, the cam surface being adjacent the cam follower of the lever member and contoured to move the link member toward the opening in the valve housing when the cam follower is pivoted from the closed position to the open position, and move the interior portion of the elongated shaft toward the opening in the valve housing and position the plug away from the inlet of the fluid flow channel and out of sealing engagement therewith, the cam surface being further contoured to allow the biasing member to move the link member away from the opening in the valve housing when the cam follower is pivoted from the open position to the closed position and move the interior portion of the elongated shaft away from the opening in the valve housing and position the plug in sealing engagement with inlet of the fluid flow channel.