Unitized combination burglar-fire alarm device

Claim 1

A BURGLAR-FIRE DEVICE COMPRISING IN COMBINATION: (1) A BASE PLATE SUPPORT MEMBER; (2) AN ELECTRICALLY-OPERABLE AUDIBLE SIGNAL GENERATING DEVICE MOUNTED ON SAID BASE PLATE MEMBER; (3) AN ELECTRICAL POWER SUPPLY FOR SAID AUDIBLE SIGNAL GENERATING DEVICE MOUNTED ON SAID BASE PLATE; (4) A NORMALLY OPEN THERMAL SWITCH DEVICE CONNECTED IN SERIES WITH SAID POWER SUPPLY AND SAID AUDIBLE SIGNAL GENERATING DEVICE; (5) A MECHANICALLY OPERABLE, NORMALLY OPEN SWITCH MEMBER CONNECTED IN PARALLEL WITH SAID THERMAL SWITCH DEVICE AND INCLUDING: (A) A STATIONARY CONTACT MEMBER MOUNTED ON SAID BASE PLATE MEMBER AND HAVING A FLAT SURFACE CONNECTED TO SAID AUDIBLE SIGNAL GENERATING DEVICE; (B) AN ELECTRICALLY CONDUCTIVE ROTATABLE SHAFT MEMBER MOUNTED ON SAID BASE PLATE MEMBER AND HAVING A FIRST PORTION ELECTRICALLY CONNECTED TO SAID POWER SUPPLY AND A FLAT SURFACE PORTION DISPOSED ADJACENT SAID STATIONARY CONTACT MEMBER WITH SAID FLAT SURFACES BEING PARALLEL TO AND SPACED FROM EACH OTHER; (C) AND A MOVABLE LEVER ARM AFFIXED TO AN END OF SAID SHAFT MEMBER WHEREBY MOVEMENT OF SAID LEVER ARM ROTATES SAID SHAFT MEMBER TO BRING AN EDGE OF SAID SECOND PORTION THEREOF INTO ELECTRICAL CONTACT WITH SAID FLAT SURFACE OF SAID STATIONARY CONTACT MEMBER TO THEREBY CONNECT SAID POWER SUPPLY TO SAID AUDIBLE SIGNAL GENERATING DEVICE.