Electric oven

Details Electric oven Electric oven

1999-11-22

2001-05-01

Pelham, Joseph (Department: 3742)

Electric heating

Heating devices

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

C219S403000, C126S01900R

Reexamination Certificate

active

06225603

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to electric ovens.
2. Description of Prior Art
The invention relates more particularly to electric ovens with removable liners. It is known to provide removable liners that are supported in place inside an oven chamber and removed for cleaning (see for example U.S. Pat. No. 4,307,285 and UK Patent No. 2,104,211). In the prior art arrangements, various parts of the oven are not covered by the liners and must be cleaned once the liners are removed. This cleaning is especially difficult in the region around the electric heating element or elements, and in crevices and corners deep inside the oven chamber.
SUMMARY OF THE INVENTION
It is an object of the invention to overcome or to reduce this problem.
According to one aspect of the invention, there is provided an electric oven comprising a box-like chamber having an open first side and a second side opposite to the first side, a heating element supported in a plane at the second side of and extending across the chamber, an open sided self-supporting removable box-like liner which slides through the first side into and fits inside the chamber, the liner having an aperture in an opposite side thereof to receive the heating element such that the liner can be inserted into the chamber for use and completely removed for cleaning.
It is preferred that at least one of other sides of the liner guides to support a removable shelving platform.
The electric oven may include an opening in a side of the liner to allow air to circulate around the inside of the liner from an electric fan mounted in the corresponding side of the chamber.
Preferably, at least inner surfaces of the liner are at least partially covered by non-stick material.
Preferably, at least inner surfaces of the liner are at least partially covered by self-cleaning material.
In a preferred embodiment, the first and second sides of the chamber are its respective front and rear sides.
According to another aspect of the invention, there is provided an open sided self-supporting removable box-like liner for use in an electric oven, having an aperture in a side opposite to the open side through which a planar heating element in the oven can pass and extend in use across a heating chamber formed by the liner.
It is preferred that at least one of other sides of the liner includes guides to support a removable shelving platform.
The liner may include a support element provided within the liner to support a region of the heating element in its operative position in use.


REFERENCES:
patent: 3036192 (1962-05-01), Fry
patent: 3120224 (1964-02-01), Divelbiss
patent: 3151608 (1964-10-01), Hurko
patent: 3153408 (1964-10-01), Brillas
patent: 3159156 (1964-12-01), Incledon
patent: 3192917 (1965-07-01), Baert
patent: 3207148 (1965-09-01), Marinace
patent: 3410260 (1968-11-01), Morgan
patent: 3425405 (1969-02-01), Dills
patent: 3536056 (1970-12-01), Dills
patent: 3706302 (1972-12-01), Helgeson et al.
patent: 4307285 (1981-12-01), DeRemer
patent: 5142125 (1992-08-01), Fioroli et al.
patent: 5878738 (1999-03-01), Poirier
patent: 2 104 211 (1983-03-01), None

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