Security device for filing cabinets

Claim 1

IN A FILE CABINET HAVING A BACK WALL, AND TOP, BOTTOM, AND SIDE WALLS TERMINATING ON THE FORWARD EDGE OF EACH IN A RIGID FRAMEWORK BOUNDING THE FRONT EDGES OF SAID TOP, BOTTOM AND SIDE WALLS, A PLURALITY OF SUPERPOSED OUTWARDLY MOVABLE DRAWERS HAVING OUTER VERTICAL FACES ARRANGED, WHEN IN CLOSED POSITION, TO LIE IN SUBSTANTIALLY THE SAME PLANE AS THE FRONT FACE OF SAID FRAMEWORK, MEANS FOR LOCKING SAID DRAWERS IN CLOSED POSITION COMPRISING A RIGID DRAWER FRAME MEMBER RIGIDLY ASSOCIATED WITH SAID FRAME WORK AND INTERPOSED BETWEEN THE BOTTOM OF EACH DRAWER AND THE TOP OF THE SUBJACENT DRAWER, TABS MOUNTED ON SAID FRAMEWORK BETWEEN SAID DRAWERS, A LOCKING BAR MOVABLY ATTACHED TO THE FRAMEWORK OF A SIDE WALL AND ADAPTED ON CLOSURE OF SAID DRAWERS TO BE MOVED INTO LOCKING POSITION AGAINST THE VERTICAL LENGTH OF THE FACE OF EACH DRAWER, A LATCH BAR MOVABLY CARRIED BY SAID LOCKING BAR AND CARRYING STUDS ADAPTED TO LOCKINGLY ENGAGE SAID TABS AND MEANS FOR LOCKING THE LOCKING BAR AND LATCH BAR TO THE TOP AND BOTTOM OF SAID FRAMEWORK.