Patent ID: 6394081
Filing Date: 2002-05-28
Classification: F24C,G05G,Y10T

Abstract:
A safety knob for a domestic gas apparatus which comprises: a body of a gas valve; a stem integral with said gas valve, said stem being pressed against the body of said gas valve for pressing and simultaneously rotating the stem in the body of the gas valve to open and regulate the flow of gas through said valve;said knob having a body with a first back flat section; at least a first coupling element positioned over the first back flat section; a longitudinal orifice formed in a rear section of said knob, said longitudinal orifice being connected with the stem of the gas valve; and safety means for avoiding the axial movement of the knob, said safety means including a flat surface disc; a border which projects upwardly from the flat surface to form a cylindrical cavity; and, at least a second coupling element on an upper part of the flat surface disc, whereby said first coupling element of the knob and said second coupling element on the flat surface disc are joined or separated one from another, for placing the stem of said valve in an unblocked or blocked position.