US Patent 7244883 Drum container

A drum including a cylindrical shell having an upper edge defining an open top end, and a lower edge defining an open bottom end; a drum skin disposed over the top end; a plurality of lugs mounted on an outer surface of the shell in positions annularly spaced adjacent to the bottom end; and a cover movable between a closed position closing the bottom end and an open position providing access into the shell through the bottom end. Also included is a latch mechanism retained by one or more of the lugs and operable to either retain the cover in the closed position or allow movement of the cover into the open position.