Egg carton

Claim 1

A carton for eggs and the like made of resilient plastic material comprising a base having interconnected front, rear and end walls; a top having interconnected front, rear and end walls; a hinge connected to the rear wall of the base and to the rear wall of the top; a top edge on the front wall of the base, said top edge having upwardly and inwardly directed curved shoulders spaced therealong; tongues extending downwardly and outwardly from the shoulders beyond at least a portion of the front wall of the base; lip means fixed to and extending longitudinally along the front wall of the top, outwardly thereof, whereby closing of the top will first move the lip means against the outwardly extending upper portions of the tongues and will thereafter cam the lip past the tongues; and tongue engagement means in the front wall of the top, above the lip and in spaced alignment with the tongues, adapted to receivE the tongues after the lip has been cammed therepast thereby locking said top to said base, said tongue engagement means including inverse shoulders projecting into the top from the front wall thereof to provide expansive surfaces in engagement with the tops and sides of the tongues whereby the top is supported on the shoulders and wracking of the top with respect to the base is prevented.