Patent ID: 8916806

Claim:
A heating pad assembly comprising: a pad; a heating plate connected in the pad, and a receptacle connected to the pad, a first wire located within the pad and connected between the receptacle and a temperature control button unit which is fixed to the pad, a second wire located in the pad and connected between the temperature control button unit and the heating plate; and said temperature control button unit including a button located within the pad and a pressing portion protruding from a center of the button, the pad having an opening through which the pressing portion extends, the button sewed to the pad, a recess defined in a back of the temperature control button unit and located in a position opposite to the button, a control unit located in the recess and having a circuit board which has an operation button at a central portion thereof, a temperature display member located beside the operation button, a micro processing member connected to the circuit board and electrically connected to the operation button and the temperature display member, said second wire and a fixing member connected to the circuit board, the fixing member connected to a back of the button of the temperature control button unit so as to position the circuit board, the operation button and the temperature display member in the recess, said second wire connected to the circuit board extending beyond the fixing member.