Portable tray warming unit

Details Portable tray warming unit Portable tray warming unit

1976-06-18

1977-08-09

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219403, 219521, 219525, F27D 1102

Patent

active

040412776

ABSTRACT:
A portable tray warming unit comprising a casing having at least one tray supporting rack, trays to be supported and received upon said rack, and electrical terminal means for interconnecting the tray warming unit with an external electrical source of energy. The casing of this tray warming unit has dimensions and weight small enough so that the unit may be easily carried about or lifted. The upper and lower surfaces of the casing lie in planes parallel to each other so that one unit may be stacked on top of another. To further facilitate such stacking the bottom surface of a unit has protrusions extending downwardly from the bottom and these protrusions correspond to indentations in the top surface of the casing. This correspondence allows the protrusions of one unit to fit into the indentations of the unit on which it is stacked thereby assuring a non-slidable connection between the two units.

REFERENCES:
patent: 3126882 (1964-03-01), Hilfiker
patent: 3408481 (1968-10-01), Golden
patent: 3725645 (1973-04-01), Shevlin
patent: 3908749 (1975-09-01), Williams
patent: 3916872 (1975-11-01), Kreis et al.
patent: 3924100 (1975-12-01), Mack et al.
patent: 3974358 (1976-08-01), Goltsos

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