Abstract: A lid for a pressure cooking receptacle supporting a jaws device for closure/opening of the receptacle, a device for controlling opening/closure of the receptacle and a safety device for blocking closure of the receptacle. The closure/opening device comprises a first radially retractable jaw for securing the lid to the receptacle and extensible for releasing the lid from the receptacle and at least one second jaw integral with the lid. The control device comprises a radial arm for moving the mobile jaw, attached to the mobile jaw at its radially external end, and a lever which can be actuated manually, fitted with elements which can be engaged with the radial arm for controlling the stroke of the radial arm.