US 6,367,223 B1 · Display case frame

Abstract

Perimeter frame rails and door frames rails are described for a more thermally efficient and cost-effective display case such as for refrigerated display cases. The frames are preferably formed from cold rolled steel. A perimeter frame may include first, second and third walls defining an opening or a recess that can be closed by a contact plate. A door for a refrigerated display case may include a glass unit and a forward portion extending inwardly from a perimeter frame edge portion toward an edge of the forward glass pane and a first side portion extends rearwardly to a groove. An insulating member insulates the door rail from the cold area and includes a portion engaging the groove.

Claims19

Dependent claims

A frame for an opening in a refrigerated display case for receiving and supporting one or more doors for allowing access into the case, the frame comprising:

a first wall extending rearwardly from a forward portion of the opening, a second wall extending from the first wall in a second direction and a third wall extending from the second wall in a direction different from the second direction to define a recess between the first, second and third walls;
a contact plate extending between the first and third walls closing the recess;
and
wherein the first, second and third walls are formed from rolled steel and wherein at least one of the walls includes bends in the wall.

1 more element

Dependencies are inferred from the claim text.

Display case frame

Life of this patent

Display case frame

Life of this patent

Abstract

Claims19