Abstract: Electrical household appliance for culinary preparation, of the food processor type having a body forming a base to receive a working receptacle in which can be disposed a rotatable working element driven by a motor disposed in the body, a lid to close the working receptacle, and a mechanism for locking the lid on the working receptacle. The mechanism has jaws movably mounted on the body between a locking position in which they engage the lid to block it vertically and an unlocking position in which the lid can be withdrawn, these jaws being movable against at least one restoring member toward one of the two positions. The appliance further has an unlocking mechanism movably mounted on the body between a rest position in which the jaws are able to lock the lid on the receptacle, and an active position in which the jaws are brought into their unlocking position.