Control for refrigerators including alarm means

Claim 1

IN A REFRIGERATOR OF THE TYPE HAVING A MECHANICALLY OPERATED REFRIGERATION SYSTEM FOR COOLING THE REFRIGERATOR, A CONTROL FOR INDICATING OPERATING CONDITIONS IN THE REFRIGERATOR COMPRISING, A BODY IN THE REFRIGERATOR HAVING A SPECIFIC HEAT SUBSTANTIALLY GREATER THAN AIR TO GENERALLY SIMULATE A TEMPERATURE TREND OF A COMPOSITE OF MATERIALS TO BE REFRIGERATED, AT LEAST ONE THERMOSTATICALLY OPERATED SWITCH IN THERMAL CONTACT WITH SAID BODY AND OPERABLE IN RESPONSE TO A PARTICULAR TEMPERATURE OF SAID BODY, A SOURCE OF ELECTRIC CURRENT COMPRISING A POWER LINE, A MAIN ELECTRIC CIRCUIT CONNECTED ACROSS SAID ELECTRIC POWER LINE AND HAVING A SIGNALING DEVICE IN THE FORM OF A LAMP, SAID THERMOSTATICALLY OPERATED SWITCH CONNECTING THE LAMP TO THE ELECTRIC POWER LINE, AN AUXILIARY CIRCUIT HAVING A BATTERY, AN AUDIBLE ALARM AND A RELAY SWITCH FOR CONNECTING THE AUDIBLE ALARM TO THE BATTERY, A RELAY COIL IN SAID MAIN CIRCUIT FOR CLOSING THE RELAY SWITCH IN THE AUXILIARY CIRCUIT FOR INITIATING OPERATION OF THE ALARM, AND A MANUALLY OPERABLE SWITCH IN THE AUXILIARY CIRCUIT TO SHUT OFF THE ALARM.