Foods and beverages: apparatus – Cooking – Automatic control
Patent
1996-08-15
1997-07-15
Simone, Timothy F.
Foods and beverages: apparatus
Cooking
Automatic control
99329P, 99329RT, 99385, 99389, 99391, 219492, 219521, A47J 3708, H05B 102
Patent
active
056472706
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to the general technical field of electric toasters intended for toasting, or reheating of baked food products, having varying thicknesses, with the aid of heating assemblies associated with grills for gripping the food products.
The present invention concerns an electric toaster comprising a housing with heating elements disposed at opposite sides of a toasting slot delimited by two pressing grills displaceable relative to one another in order to adapt to the thickness of the article to be toasted, said toaster also comprising a bread rack which is movable axially in the toasting slot between a raised position for receiving the article to be toasted and a lowered toasting position.
PRIOR ART
It is already known, for example in the patent application FR-A-2454788, to make an electric toaster of the type mentioned previously, comprising a housing with two toasting subassemblies mounted to be relatively movable opposite one another.
Each toasting subassembly is constituted by a receiver, a heating element such as a rod of refractory material upon which is wound a heating resistance, and a grill intended to come into contact with the slice of bread to be toasted in order to clamp it against the grill of the second subassembly.
The relative displacement of the toasting subassemblies is assured by a system having two branches articulated like scissors associated with the grills, and disposed laterally on the frame of the appliance.
The toaster equally comprises a bread rack which is axially movable, by the intermediary of a manual control piece, between a raised position for receiving the article to be toasted and a lowered toasting position.
In this latter position, the heating circuit of the heating elements is automatically closed and associated with a time delay corresponding to a degree of browning of the bread selected by the user.
When the toasting cycle is terminated, the electric circuit is opened and simultaneously the grills open and the bread rack rises.
Such a toaster is entirely satisfactory when the width of the toasting slot delimited between the two toasting subassemblies does not exceed 35 or even 40 mm. This distance corresponds to standard toasters which are widely available on the market.
With such widths of the toasting slot, the displacement distance of the two toasting subassemblies is sufficiently limited so that no particular problem of blockage, rupture, twisting, poor synchronization of the displacement of the movable pieces occurs. It is then possible to benefit fully from the advantage of such toasters, which because of the mobility of the heating resistances permit maintenance of a constant distance between the article to be toasted and the heating element regardless of the thickness of the article.
This constitutes an element of simplification of the totality of possibilities of regulation of the appliance and leads to a better mastery of the result and the quality of the toasting, and consequently improves overall the homogeneity of the toasting.
The prior art systems, such as those described previously, cannot however be perfectly suitable when it is desired to furnish a toaster having a variable capacity of large width, that is of which the toasting slot can permit the introduction of slices of bread or baked articles having a thickness greater than 35 or 40 mm.
In effect, in such a case, the displacement of the toasting subassembly or subassemblies should be effectuated over a relatively large distance, in a simultaneous and synchronized manner with the movable bread rack, even though because of the presence on each subassembly of several elements, the subassemblies already have a significant weight.
It is important in particular to avoid any risk of blockage of the two toasting subassemblies during raising of the bread rack, in order to assure a good progress of the ejection of the toasted article.
If one wishes at the same time to obtain an electric appliance, such as a toaster, of reduced size, limited cost and manipulation
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Marx Dominique
Rousseau Alain
Seb S.A.
Simone Timothy F.
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