Appliance door having stiffened inner panel with shelves and...

Details Appliance door having stiffened inner panel with shelves and... Appliance door having stiffened inner panel with shelves and...

A - Human Necessities

47

G

62/138, 312/73.5

A47G 29/00 (2006.01)

Patent

CA 1294139

APPLIANCE DOOR HAVING STIFFENED INNER PANEL WITH SHELVES AND METHOD OF FORMING ABSTRACT OF THE DISCLOSURE A refrigerator door has its plastic inner panel, which has a plurality of container supporting shelves extending therefrom, stiffened through forming integral vertical stringers adjacent each other across substantially the entire width of the surface of the inner panel between the shelves. Gussets extend from one end of each of the integral stringers into one of the upper and lower surfaces of each adjacent shelf. The integral stringers are V-shaped or U-shaped in cross section. The gussets are V-shaped when the integral stringers are V-shaped and may be V-shaped or U-shaped when the integral stringers are U-shaped. The integral stringers stiffen the entire door without adding material and control the stiffness through the cross sectional moment of inertia of each of the integral stringers. When there is a lack of space beneath the bottom shelf, the gussets cannot be employed, but a shadow line is used to increase the moment of inertia. The integral stringers have an aesthetic pattern in either the V-shaped or U-shaped configuration.

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