Patent ID: 7891207

Claim:
A refrigerator freezer comprising: a freezer compartment maintained at a temperature below 0° C. and having an insulated freezer compartment door; a refrigerator compartment maintained at a temperature above 0° C. and having an insulated refrigerator compartment door; a refrigeration system for cooling the freezer compartment and the refrigerator compartment; an automatic ice maker positioned on one of the refrigerator compartment door and the freezer compartment door comprising: a movable ice piece tray; a housing moveably supporting the ice piece tray for movement between a fill and ice making position and a harvest position, the housing including a rear containment wall, a front containment wall and end containment walls and the ice piece tray includes a mold insert having a plurality of recesses for forming ice pieces and an upwardly extending lip around the plurality of recesses forming the sealing surface; wherein when the ice piece tray is in the fill and ice making position the upwardly extending lip is positioned outside the front, rear and end containment walls forming a sealing surface for containing water when the ice piece tray is in the fill and ice making position.