Electric oven

Abstract

An electric oven has a housing defining a cooking chamber, a door hinged on the housing and pivotal between an open position and a closed position, at least one rotatable rack supported by one of the removable racks, and rotation actuation means for rotating the rotatable rack about an upright axis and positioned peripherally and tangentially to the rack. The rotatable rack has a circular outer edge. The actuation means has a pinion engaged with a circumferential edge surface of the rotatable rack at the edge thereof.

1 . An electric oven comprising: 
 a housing defining a cooking chamber;    a door hinged on the housing and pivotal between an open position and a closed position;    at least one rotatable rack supported by one of the removable racks; and    rotation actuation means for rotating the rotatable rack about an upright axis and positioned peripherally and tangentially to the rack.    
   
   
       2 . The electric oven defined in  claim 1  wherein the rotatable rack has a circular outer edge.  
   
   
       3 . The electric oven defined in  claim 1  wherein the actuation means comprises a pinion engaged with a circumferential edge surface of the rotatable rack at the edge thereof.  
   
   
       4 . The electric oven defined in  claim 3  wherein the actuation means has a magnet coupling the pinion to the rotatable rack.  
   
   
       5 . The electric oven defined in  claim 4  wherein the pinion consists of a cylindrical permanent magnet, and at least the outer edge of the rotatable rack is made of magnetic metal.  
   
   
       6 . The electric oven defined in  claim 4  wherein the pinion consists of a plurality of magnetic metal disks stacked alternately with non-magnetic metal disks and ending at opposite ends with one of the non-magnetic metal disks, at least the outer edge of the rotatable rack being made of magnetic metal.  
   
   
       7 . The electric oven defined in  claim 3  wherein the actuation means has mechanical coupling formations between the pinion and the rotatable rack.  
   
   
       8 . The electric oven defined in  claim 7  wherein the coupling formations include a high-friction coating on the pinion engageable with the circumferential edge surface.  
   
   
       9 . The electric oven defined in  claim 3  wherein the coupling includes teeth on the pinion meshing with a rack formed along the circumferential edge surface.  
   
   
       10 . The electric oven defined in  claim 3  wherein the pinion has a horizontal rotation axis.  
   
   
       11 . The electric oven defined in  claim 3  wherein the actuation means comprises a rotation actuation motor of the pinion in a space between a casing of the oven and a lateral outside wall of the cooking chamber.  
   
   
       12 . The electric oven defined in  claim 1 , further comprising: 
 guides in the chamber; and    a rack slidable inside the housing on the guides.