Importance

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Abstract

A package includes a closure that is applied to a container. The closure includes a base wall having a cylindrical skirt depending therefrom. Locking lugs and cam lugs extend in a radially inward direction from the skirt. As the closure is applied down on the container, the locking lugs engage notches formed in the undersides of the projections and internal cam surfaces on the cam lugs engage external cam surfaces formed on projections disposed around the open end of the container. As a downward force is applied to the closure onto the container, the internal cam surface travels axially downwardly over the external cam surface, thereby causing the cylindrical skirt to spread radially outwardly. As the application force is released, a reaction force, due to the inherent resiliency of the cylindrical skirt, causes the cylindrical skirt to contract and permit the internal cam surface to be urged axially upwardly along with the rest of the closure including the locking lugs, which become urged into further easement with the notches of the container. The closure is adapted to be inverted and secured to the container in a non-child-resistant mode of operation.

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First Claim