Food cooking oven

Claim 2

A food cooking oven which comprises: a. exterior side, bottom, top and back walls; b. a thermally insulated door closing the front of said oven; c. interior walls spaced inwardly from said exterior walls and defining the interior of said oven, said oven interior having a volume of at least, approximately, 0.25 cubic feet, said exterior and interior walls together defining a substantially rigid, self-supporting structure, said interior walls being electrically conductive; d. thermal and electric insulation means disposed between said interior and exterior walls; and e. a pair of rigid, spaced apart, electrical contact members, said contact members being secured to and in electrical contact with at least one of said interior walls and extending along a substantial portion of the depth of said oven and extending outwardly through and beyond the adjacent exterior wall, each of said contact members being adapted to be received within a respective one of a pair of clamps which are connected to a low voltage, high current power supply whereby a non-hazardous, low voltage is impressed across said contacts and thereby an electrical current flows through said interior walls in an amount sufficient to heat the interior of said oven to a food cooking temperature.

Claim 3

The food cooking oven of claim 1 wherein said thermally insulated door includes a single pane glass panel.

Claim 4

The food cooking oven of claim 2 wherein said door is removably mounted on said oven.

Claim 5

The food cooking oven of claim 1 wherein said interior walls have a thickness in the range of, approximately, 0.01 to 0.05 inches.

Claim 6

The food cooking oven of claim 4 wherein said interior walls are stainless steel.

Claim 7

The food cooking oven of claim 1 wherein said interior walls are interconnected to form a water tight structure.

Claim 8

A food cooking oven which comprises: a. exterior side, bottom, top and back walls; b. a door closing the front of said oven; c. an interior back wall and electrically conductive and interconnected interior side, bottom and top walls, said interior walls being spaced inwardly from said exterior walls, said interior and exterior walls together defining a substantially rigid, self-supporting structure, said interior walls defining a volume of at least, approximately, 0.25 cubic feet; d. thermal and electric insulation means disposed between said interior and exterior walls; and e. a pair of rigid, spaced apart, electrical contact members, said contact members being secured to and in electrical contact with at least one of said interior walls and extending along a substantial portion of the depth of said oven and extending outwardly through and beyond the adjacent exterior wall, each of said contact members being adapted to be received within a respective one of a pair of clamps which are connected to a low voltage, high current power supply whereby a non-hazardous, low voltage is impressed across said contacts and thereby an electrical current flows through said interior walls in an amount sufficient to heat the interior of said oven to a food cooking temperature.

Claim 9

A food cooking oven which comprises: a. exterior side, bottom, top and back walls; b. a door closing the front of said oven; c. an interior back wall and electrically conductive and interconnected interior side, bottom and top walls, said interior walls being spaced inwardly from said exterior walls, said interior and exterior walls together defining a substantially rigid, self-supporting structure, said interior walls defining a volume of at least, approximately, 0.25 cubic feet; d. thermal and electric insulation means disposed between said interior and exterior walls; and e. a pair of rigid, spaced apart, electrical contact members, said contact members being secured to and in electrical contact with at least one of said interior walls and extending along a substantial portion of the depth of said oven and extending outwardly through and beyond the adjacent exterior wall, each of said contact members being adapted to be received within a respective one of a pair of clamps which are connected to a low voltage, high current power supply whereby a non-hazardous, low voltage is impressed across said contacts and thereby an electrical current flows through said interior walls in an amount sufficient to heat the interior of said oven to a food cooking temperature.

Claim 10

The food cooking oven of claim 7 wherein said electrical contact members are secured to and in electrical contact with said bottom wall of said oven.

Claim 11

The food cooking oven of claim 8 wherein said interior walls have a thickness in the range of, approximately, 0.01 to 0.05 inches.

Claim 12

The food cooking oven of claim 7 wherein said interior walls are stainless steel.

Claim 13

The food cooking oven of claim 7 wherein each of said electrical contact members is secured to and in electrical contact with a respective one of said side walls of said oven.

Claim 14

The food cooking oven of claim 11 wherein said interior walls have a thickness in the range of, approximately, 0.01 to 0.05 inches.

Claim 15

The food cooking oven of claim 12 wherein said interior walls are stainless steel.

Claim 16

The food cooking oven of claim 7 wherein said interior walls are unitary and formed by deep drawing.

Claim 17

A food cooking apparatus which comprises: a. a food cooking oven comprising, i. exterior side, bottom, top and back walls, ii. a thermally insulated door closing the front of said oven, iii. interior walls spaced inwardly from said exterior walls and defining the interior of said oven, said oven interior having a volume of at least, approximately, 0.25 cubic feet, said exterior and interior walls together defining a substantially rigid, self-supporting structure, iv. thermal and electric insulation means disposed between said interior and exterior walls, and v. a pair of rigid, spaced apart, electrical contact members, said contact members being secured to and in electrical contact with at least one of said interior walls and extending along a substantial portion of the depth of said oven and extending outwardly through and beyond the adjacent exterior wall, b. a power supply unit disposed beneath said food cooking oven, said power supply unit comprising, i. a frame, ii. a pair of clamps mounted on said frame, each of said electrical contact members being disposed within a respective one of said clamps, and iii. means connected to said clamps for impressing across said clamps a low, non-hazardous voltage whereby, in response to said voltage, an electrical current flows through said oven in an amount sufficient to heat the interior of said oven to a food cooking temperature.

Claim 18

A food cooking apparatus which comprises: a. a food cooking oven comprising, i. exterior side, bottom, top and back walls, ii. a thermally insulated door closing the front of said oven, iii. interior walls spaced inwardly from said exterior walls and defining the interior of said oven, said oven interior having a volume of at least, approximately, 0.25 cubic feet, said exterior and interior walls together defining a substantially rigid, self-supporting structure, iv. thermal and electric insulation means disposed between said interior and exterior walls, and v. a pair of rigid, spaced apart, electrical contact members, said contact members being secured to and in electrical contact with at least one of said interior walls and extending along a substantial portion of the depth of said oven and extending outwardly through and beyond the adjacent exterior wall, b. a power supply unit disposed beneath said food cooking oven, said power supply unit comprising, i. a frame, ii. a pair of clamps mounted on said frame, each of said electrical contact members being disposed within a respective one of said clamps, and iii. means connected to said clamps for impressing across said clamps a low, non-hazardous voltage whereby, in response to said voltage, an electrical current flows through said oven in an amount sufficient to heat the interior of said oven to a food cooking temperature.

Claim 19

The food cooking oven of claim 15 wherein said thermally insulated door includes a single pane glass panel.

Claim 20

The food cooking oven of claim 16 wherein said door is removably mounted on said oven.

Claim 21

The food cooking oven of claim 15 wherein said interior walls have a thickness in the range of, approximately, 0.01 to 0.05 inches.

Claim 22

The food cooking oven of claim 18 wherein said interior walls are stainless steel.

Claim 23

The food cooking apparatus of claim 15 wherein each of said clamps comprises a first clamping member and a rotatably mounted second clamping member.

Claim 24

The food cooking apparatus of claim 15 wherein at least one of said clamps is movably mounted on said frame.

Claim 25

The food cooking apparatus of claim 15 wherein each of said clamps extends upwardly from said frame and the portion of said electrical contact members which is disposed in said clamps is horizontally disposed.