Stoves and furnaces – Stoves – Cooking
Reexamination Certificate
2000-01-18
2001-09-18
Clarke, Sara (Department: 3743)
Stoves and furnaces
Stoves
Cooking
C126S27300R, C126S215000
Reexamination Certificate
active
06289885
ABSTRACT:
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims priority to British Patent Application, Serial No. 9902804.5, filed on Feb. 10, 1998, and entitled, “Heating Plate Levelling Method”.
BACKGROUND OF THE INVENTION
The invention to which this application relates is a method for levelling the heating plate of a heat storage range cooker.
Typically a heat storage range cooker comprises at least one heating plate upon which pans and the like are placed for boiling, frying of foodstuffs etc. It is important from the point of view of expansion of the heating plates when hot and also the general appearance and sufficient use of the heating plate that the same be level with respect to the surrounding surface
Conventionally, the heating plate is connected to the top end of a heating barrel housed within the cooker and at the lower end of the barrel is a heat source. The heat source which is used for heating the heating plate and oven emits heat into the barrel and the heat passes through the barrel to heat the heating plate.
Currently, in order to adjust the level of the heating plate it is necessary to alter the position of the barrel within the cooker as it is not possible to adjust the heating plate with respect to the barrel. Thus, if levelling is required, the cooker owner is incapable of performing the action and it is necessary for a skilled person to be employed or for the installer to undertake the operation by removing the heating plate, gaining access to the interior of the cooker and then using adjusting bolts on the barrel which allow adjustment of the barrel with respect to the cooker housing in two planes, but separately, to be undertaken. A disadvantage however is that when the adjustment is made, until the heating plate assembly is repositioned on the cooker, it is not possible to ascertain whether the levelling movement has been successful. It is also found that due to the weight of the barrel and heating plate combined, that even when the adjustment has been made, when the heating plate assembly is reassembled, some movement of the heating plate takes place, hence making the adjustment incorrect in some cases which can lead to a need for the whole process to be repeated. It will therefore be appreciated that this process is time consuming and can be frustrating.
BRIEF SUMMARY OF THE INVENTION
The aim of the present invention is to provide a way of altering the level of the heating plate without need for large scale manipulation of the apparatus.
In a first aspect of the invention there is provided a heating plate for a heat storage range cooker, said heating plate mounted in an aperture in a surrounding surface, on a base connected to a heat source via which the heating plate is heated and characterised in that adjustment means are provided between the heating plate and the base to allow relative movement of the heating plate with respect to the base.
In one embodiment, the adjustment means are in the form of a number of bolts which pass through location means in the heating plate and bolt into the base so that relative adjustment between the screws causes relative movement of the heating plate with respect to the base. Thus, these screws can be adjusted to bring the heating plate into level and typically level with the surrounding surface. There is no need to manipulate the heating source or the duct or barrel between the heating source and the heating plate as the heating plate is adjusted with respect to the barrel or duct rather than the whole barrel being adjusted with respect to the cooker as is conventionally the case. Typically the adjustment means are accessed by removing a cover.
In a second aspect of the present invention there is provided a heat storage range cooker including at least one heating plate mounted in an aperture in a surrounding surface, on a base in connection with a heat source via which the at least one heating plate is heated and characterised in that adjustment means are provided between the at least one heating plate and the base to allow relative movement of the at least one heating plate with respect to the base.
In one embodiment the heat storage range cooker is provided with two heating plates and each heating plate is mounted in an aperture in a surrounding surface, on a base and adjustable with respect to the base.
Specific embodiments of the invention will now be described with reference to the accompanying drawings, wherein:
REFERENCES:
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patent: 2887103 (1959-05-01), Reeves
patent: 3307531 (1967-03-01), Thompson
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patent: 3561796 (1971-02-01), Williams
patent: 3651796 (1972-03-01), Nelson
patent: 3924602 (1975-12-01), Irwin
patent: 4633850 (1987-01-01), Hawkins
patent: 5313929 (1994-05-01), Thürk et al.
patent: 5791336 (1998-08-01), Helm
patent: 5954981 (1999-09-01), Deo et al.
patent: 2143030 (1985-01-01), None
Clarke Sara
Trianco Redfyre Limited
Woodard Emhardt Naughton Moriarty & McNett
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