Louvered ventilator device

Claim 1

A VENTILATOR LOUVER DEVICE FOR USE WITH BUILDING STRUCTURES TO PERMIT CONTROLLED VENTILATION THEREOF, SAID DEVICE COMPRISING A SUBSTANTIALLY RIGID, GENERALLY RECTANGULAR, VERTICALLY ORIENTED, FRAME STRUCTURE TO BE MOUNTED IN A WALL STRUCTURE OF A BUILDING AND PRESENTING AN EXTERIOR AND INTERIOR SURFACE, SAID FRAME STRUCTURE INCLUDING VERTICAL OF SIMILAR, ELONGATE FIXED LOUVER MEMBERS A PLURALITY OF SIMILAR, ELONGATE FIXED LOUVER MEMBERS EXTENDING TRANSVERSELY OF SAID FRAME STRUCTURE AND EACH LOUVER MEMBER BEING RIGIDLY CONNECTED AT ITS RESPECTIVE ENDS TO SAID VERTICAL FRAME MEMBERS, SAID FIXED LOUVER MEMBERS BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATION WITH RESPECT TO EACH OTHER AND EACH BEING INCLINED TRANSVERSELY OF ITS LENGTH AND DOWNWARDLY FROM THE INTERIOR SURFACE OF THE FRAME STRUCTURE TOWARDS THE EXTERIOR SURFACE THEREOF, THEREBY DEFINING AIR PASSAGES BETWEEN ADJACENT OF SAID FIXED LOUVER MEMBERS, A PLURALITY OF SIMILAR, ELONGATE, SUBSTANTIALLY PARALLEL MOVABLE LOUVER MEMBERS EXTENDING TRANSVERSELY OF SAID FRAME STRUCTURE AND EACH HAVING AN UPPER LONGITUDINAL EDGE PORTION DISPOSED IN OVERLYING BEARING ENGAGEMENT WITH AN UPPER EDGE PORTION OF ONE OF SAID FIXED LOUVER MEMBERS WHEREBY EACH MOVABLE LOUVER MEMBER IS PIVOTALLY SUSPENDED FROM A FIXED LOUVER MEMBER FOR PIVOTAL MOVEMENT BETWEEN OPEN AND CLOSED POSITIONS, EACH MOVABLE LOUVER MEMBER BEING DISPOSED IN ABUTTING RELATION WITH THE INTERIOR SURFACE OF THE ASSOCIATED FIXED LOUVER MEMBER WHEN THE FORMER IS IN THE OPEN POSITION AND BEING DISPOSED IN OBSTRUCTING RELATION WITH RESPECT TO ONE OF SAID AIR PASSAGES WHEN IN THE CLOSED POSITION, MEANS ON EACH OF SAID FIXED LOUVER MEMBERS ENGAGING THE UPPER EDGE PORTION OF THE ASSOCIATED MOVABLE LOUVER MEMBER FOR RETAINING THE LATTER IN SUSPENDED RELATION THEREWITH, AND MEANS INTERCONNECTED WITH SAID MOVABLE LOUVER MEMBERS FOR SIMULTANEOUSLY CAUSING PIVOTAL MOVEMENT OF SAID MOVABLE LOUVER MEMBERS BETWEEN SAID OPEN AND CLOSED POSITIONS.