Container having gear-like corners

Claim 1

A CONTAINER HAVING A BOTTOM WALL, SIDE WALLS, AND END WALLS, EACH JUNCTURE OF ONE OF SAID SIDE WALLS WITH ONE OF SAID END WALLS FORMING A PROJECTING PORTION WHICH HAS A CURVED CONFIGURATION IN A PLANE PARALLEL TO THE PLANE OF SAID BOTTOM WALL CORRESPONDING APPROXIMATELY TO 90* OF THE ARC OF A CIRCLE, AND WHICH HAS ALTERNATELY FORMED RIDGES AND VALLEYS IN THE OUTWARD SURFACE THEREOF WHICH EXTEND PERPENDICULAR TO THE PLANE OF SAID BOTTOM WALL, SAID RIDGES BEING UNIFORMLY SPACED; EACH SAID PROJECTING CORNER PORTION THUS PROVIDING SUBSTANTIALLY ONE-QUARTER OF THE CIRCUMFERENCE OF A GEAR WHEEL, AND BEING ADAPTED TO BE DRIVINGLY ENGAGED BY A ROTATING GEAR WHEEL, OR THE LIKE FOR ROTATABLY MOVING SAID CONTAINER IN THE PLANE OF SAID BOTTOM WALL; THE RIDGES FORMING THE GEAR TEETH ON ONE PAIR OF DIAGONALLY OPPOSITE CORNERS BEING DISPLACED HALF A TOOTH''S SPACE RELATIVE TO THE ASSOCIATED SIDE AND END WALLS FROM THE POSITION OF THE RIDGES FORMING GEAR TEETH ON THE OTHER PAIR OF DIAGONALLY OPPOSITE CORNERS.