Child-resistant package

摘要

A child-resistant package comprising a container having a neck with threads thereon and a child-resistant closure. The closure comprises a cap made of organic plastic material and having a top wall and a peripheral skirt, having threads thereon adapted to engage the threads of the container. The skirt has a radial flange and a plurality of circumferentially spaced depressions on the upper surface of the radial flange. The closure also comprises a ring telescoped over the cap and surrounding the skirt of the cap. The ring has a plurality of lugs extending upwardly from the radial flange of the cap and adapted to engage the depressions upon application of a downward force on the ring. Each depression on the radial flange has a substantially vertical surface at one circumferential end adapted to be engaged by a lug on the ring when the ring is rotated in a direction to thread the closure onto the container. Each depression on the radial flange of the closure also has an inclined surface at the other circumferential end such that upon mere rotation of the ring in a direction to unthread the closure from the container results in the lugs on the ring sliding up the inclined surfaces so that the closure can only be removed by a combined downward force on the ring and rotational force in the direction of threading the closure off of the container.