Patent ID: 7621022

Claim:
A top hinge for a refrigerator cabinet door comprising: a hinge body formed of plastic having a top substantially planar surface, a bottom substantially planar surface, an outer edge, and a perimeter wall extending for a height substantially perpendicularly from said bottom surface extending substantially around an entire perimeter of said hinge body defining a substantially open interior of said top hinge being enclosed by said perimeter wall, a hinge pin formed of plastic integrally with and extending substantially perpendicularly from said bottom surface of said hinge body and substantially parallel to, but beyond said height of said perimeter wall, one or more points of attachment formed on said hinge body and within said interior of said top hinge defined by said perimeter wall, an axis of twist passing through a center of said hinge pin and an effective center of attachment, and a plurality of first ribs and a plurality of second ribs extending substantially perpendicularly from said bottom surface of said hinge body within said substantially open interior, each of said ribs having at least one end in engagement with said perimeter wall along at least a portion of said height, said first ribs and said second ribs extending along a length of said bottom surface at an oblique angle relative to said axis of twist and said first ribs diverging from said second ribs by an angle of at least about 60 degrees, said first ribs being parallel to each other and said second ribs being parallel to each other.