Foods and beverages: apparatus – Cooking – Spit or impaling type
Patent
1995-12-15
1998-02-10
Simone, Timothy F.
Foods and beverages: apparatus
Cooking
Spit or impaling type
99419, 99421A, 99421R, A47J 3704
Patent
active
057157448
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to an automatic kebab turner making it possible to cook foodstuffs threaded on skewers, such as meat, fish and vegetables, close to a source of heat.
Traditionally, kebabs of foodstuffs are cooked over a hearth. The user turns the kebab skewers by hand so as to obtain uniform and optimum cooking of the foodstuffs threaded on the skewers. This manually-controlled cooking requires the user to be sufficiently available and attentive to watch over and to turn the kebabs in order to avoid the foodstuffs being partially overcooked and partially raw.
American Patent U.S. Pat. No. 3,939,761 (McGINTY) makes known a barbecue equipped with a rectangular box open at the top, the front and rear panels of which box exhibit pairs of vertical slots for accommodating kebab skewers. Each kebab skewer exhibits a handle provided with a cog wheel which meshes in an endless chain. The endless chain is driven in movement along the front panel with the aid of a motor. The movement of the endless chain drives the cog wheels and therefore the kebab skewers in rotation above the hearth.
German Patent Application DE-1 404 775 (OATLEY) shows kebab-turning apparatus including a worm driven by a motor. The worm is located parallel to the front panel of the apparatus and meshes with cog wheels of the kebab skewers. The kebab skewers are thus driven in rotation via their cog wheels by the worm.
American Patent U.S. Pat. No. 4,154,154 (VIVIAN) moreover makes known a kebab-turner device which, in contrast with the device described in the aforementioned OATLEY document, requires the kebab skewers to be supported in a cantilever fashion, that is to say requires each kebab skewer to have one end unsupported. Each kebab skewer is driven in rotation by a worm moved by a motor via a cog wheel associated with the kebab skewer.
The current techniques recalled hereinabove do indeed allow the user to be provided with automatic kebab turners for making kebabs. However, in the event of one of the kebab skewers locking up in an untimely fashion, the conventional kebab turner becomes unusable. What happens is that the locking-up of the rotation of one kebab skewer results in the locking-up of the rotation of the cog wheel associated with it. The locking-up of the cog wheel leads to locking-up of the driving endless chain or driving worm which is in engagement with the said cog wheel, because the drive motor is generally selected to produce a drive torque which is not excessive when compared with that required for normal operation of the kebab turner. As a result of this, the slightest locking-up at a kebab skewer leads to the complete locking-up of the kebab turner, which on the one hand gives rise to damage at the motor and drive members and, on the other hand, gives rise to heterogeneous cooking of all the kebabs if the user is not informed of the locking-up of the kebab turner in time.
The untimely locking-up of the kebab turner may be the consequence of the seizure of the drive mechanism especially between the handles of the kebab skewers and the slots in the front panel of the kebab turner. This seizure is brought about by damage to the surfaces for contact between the metal members of the drive mechanism which damage is due especially to corrosion since the kebab skewer is often used in the open air and therefore exposed to inclement weather.
Furthermore, conventional kebab turners cannot be used vertically and require special-purpose kebab skewers without it being possible, for a given kebab turner, to use different types of kebab skewer available for sale commercially.
SUMMARY OF THE INVENTION
The object of the present invention is to remedy the technical deficiency of the existing automatic kebab turners using a mechanism for automatically engaging and disengaging the kebab skewers or skewer whose rotation is locked up, so as to allow the other kebab skewers to continue to be driven in rotation by the motor.
Also, the subject of the invention is a kebab turner of simple design, the co
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