Container with cam-latching top

Claim 1

A DISPLAY CARTON FOR EGGS AND LIKE OBJECTS, WHEREIN COVER AND BOTTOM PARTS MATE FOR CLOSURE AT A MATING LINE INTERMEDIATE BETWEEN THE TOP AND BOTTOM OF THE PACKAGED OBJECTS, WHICH CARTON IS COMPRISED OF: AN ELONGATED BOTTOM FORMED OF RELATIVELY THICK RIGID MATERIAL AND INCLUDING: UPWARDLY EXTENDING SIDEWALLS, A NUMBER OF STRENGTHENING PARTITIONS FORMING A PLURALITY OF CELLS, UPSTANDING HOLLOW SUPPORT POSTS FOR SUPPORTING A COVER, SUBSTANTIALLY UNDEFLECTABLE UPSTANDING HOLLOW LATCH POSTS LOCATED IN OPPOSING PAIRS ON OPPOSITE LONG SIDES OF SAID ELONGATED BOTTOM, SAID LATCH POSTS BEING FORMED TO PROVIDE OUTWARDLY OVERHANGING HOOK MEANS AT A LATCHING PLANE SPACED ABOVE SAID MATING PLANE; AND AN ELONGATED TOP FITTING OVER SAID BOTTOM AND MATING FOR CLOSURE WITH IT AT SAID MATING PLANE, SAID TOP BEING FORMED OF A RELATIVELY THIN, IMPERFORATE SHEET OF TRANSPARENT, RESILIENTLY FLEXIBLE MATERIAL, AND INCLUDING: DOWNWARDLY EXTENDING SIDEWALLS PERMITTING THE RESILIENT FLEXING OF THE LONG SIDEWALLS OF SAID COVER IN A LATERALLY OUTWARD DIRECTION, CATCH SHOULDERS FORMED BY INWARD UNDULATIONS IN THE LONG SIDEWALLS OF SAID COVER, AND INWARDLY PROJECTING IN PAIRS AT SAID LATCHING PLANE TO MAKE LOCKING ENGAGEMENT WITH SAID LATCH POSTS, WHEREBY SAID TOP CAN BE SNAPPED INTO A TIGHTLY LATCHED CLOSED POSITION BY RESILIENT OUTWARD DEFLECTION OF ITS LONG SIDEWALLS BY SLIDING ENGAGEMENT WITH SAID LATCH POSTS AS SAID COVER IS MOVED TOWARD CLOSURE.