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A vent plate is attached to the bottom frame member of a door mounting frame of the insulated door assembly of a refrigerator unit. The vent plate includes passages which enable ambient air to be drawn into the cabinet of the refrigerator unit at a controlled location in order to avoid frost build u

A vent plate is attached to the bottom frame member of a door mounting frame of the insulated door assembly of a refrigerator unit. The vent plate includes passages which enable ambient air to be drawn into the cabinet of the refrigerator unit at a controlled location in order to avoid frost build up.

대표청구항 ▼

A refrigerator door assembly for closing an opening in the wall of a refrigerated cabinet, said door assembly comprising a door mounting frame mountable within the cabinet opening and having an outer peripheral portion with a sealing surface, said sealing surface having a primary portion extending a

A refrigerator door assembly for closing an opening in the wall of a refrigerated cabinet, said door assembly comprising a door mounting frame mountable within the cabinet opening and having an outer peripheral portion with a sealing surface, said sealing surface having a primary portion extending along a substantial length of the perimeter of said opening and disposed in a predetermined upright plane, said sealing surface having a shorter portion extending along the remaining length of the perimeter of said opening and disposed in an upright plane which is spaced outwardly from said predetermined plane, an insulated glass door mounted for pivotal movement on said frame between closed and open positions, a flexible sealing gasket on said door and engageable with said sealing surface when said door is in said closed position thereby to seal the interior of the cabinet from ambient air, and passage means permitting limited quantities of ambient air to enter the interior of said cabinet when said door is in said closed position, said passage means being defined in part by a chamber located adjacent said shorter portion of said sealing surface and between the upright plane of said shorter portion and the upright plane of said primary portion, said passage means further including openings permitting ambient air to flow through said chamber and into the interior of said cabinet.