Drinking container with pivoting closure

A drinking container comprising

• a vessel;
• a cap, atop said vessel;
• a lid;
• a hinge located proximate a rear of said lid and interconnecting said cap to said lid, to allow said lid to pivot on said cap between a closed and open position, said hinge comprising at least one pin mounted in an oblong opening in said lid;
• a locking tab at the front of said lid, that engages with an inner surface of said cap, to retain said lid in said closed position;
• a first abutment surface on said cap;
• and
• a second abutment surface on said lid,
• wherein said first and second abutment surfaces are arranged to contact with each other as said lid is pivoted from said open position to said closed position, and wherein contact of said first and second abutment surfaces urges said lid and said tab forward as said lid is pivoted to said closed position
• and wherein said locking tab is released from said cap when said lid is in said closed position, by urging said lid backwards relative to said cap, causing said oblong opening to slide backward on said pin.