Patent ID: 8092212

Claim:
A gas cooking appliance adapted for a supply of either a natural gas or a liquefied petroleum gas to a burner comprising: a control panel having a bezel attached thereto, the bezel having a recess, a valve with a valve body, the valve body having a rotatable regulating organ operationally coupled to an actuating shaft that protrudes from the bezel, the regulating organ positioned between a valve inlet and a valve outlet and configured to vary the flow rate of the gaseous fuel at the valve outlet as a function of an angular position of the regulating organ, a first angular position of the regulating organ determining a first predetermined minimum flow rate of the natural gas, and a second angular position of the regulating organ, successive to the first angular position, determining a second predetermined minimum flow rate of the liquefied petroleum gas, and a control knob attached to the actuating shaft useable to manipulate the angular position of the regulating organ, the control knob having a first feature and the bezel having a second feature that cooperate with one another to prevent rotation of the regulating organ beyond the first angular position, the regulating organ rotatable to the second angular position successive to the first angular position absent the presence of the first feature or absent the presence of the second feature.