Device for limiting the consumption of objects in a container

A container assembly including a timed lock apparatus, comprising in combination, a container having a openable cover, a presettable manually wound timer mounted on a wall of said container of the type that is wound by rotation of a shaft in one direction and which rotates in the opposite direction to a limit position for a time period which is a function of the degree of shaft rotation in the winding direction having a rotatable member operated by a timing mechanism thereof with a notch in said member movable to a registry position at said limit position after a time preset on said timer, a locking member movable with said cover into said registry position when the cover is closed and retained by said rotatable member to lock the cover closed except when said notch is presented in said registry position, and a protecting cap which control said timings mechanism by rotating said shaft only in said wound direction to set a further time period thereon, whereby the reduction of a preset time by manual access to said shaft is prevented by said protecting cap.