Dispenser and cock

A dispenser for discharging beverage, the dispenser comprising:

• a container part configured to hold the beverage;
• a cock configured to control discharge of the beverage;
• a lever connected to a rotary shaft of the cock;
• a rotary valve connected to the rotary shaft and defining a rotary interspace configured to rotate together with the rotary shaft;
• and
• a fixed valve fixed to a cock body of the cock and defining a fixed hole configured to not move even when the rotary shaft is rotated;
• wherein the dispenser is configured to be stored in a refrigerator;
• wherein the dispenser is configured to discharge the beverage when the lever is rotated to overlap a position of the rotary interspace and the fixed hole;
• wherein the cock is configured to fix the fixed valve at either of a first position and a second position, the second position being different from the first position;
• wherein the cock further has a cylindrical packing inside;
• and wherein the packing defines a lower inner diameter at a lower part near a discharge side and an upper inner diameter at an upper part far from the discharge side, and the lower inner diameter is smaller than the upper inner diameter;
• wherein the packing defines a groove in an inner diameter direction between the upper part and the lower part.