Water closet ventilating unit

Claim 1

AN AIR INTAKE FITTING OF THE CHARACTER DESCRIBED ADAPTED TO DISPOSITION BETWEEN THE SEAT AND THE REAR MOUNTING PLATFORM OF A CONVENTIONAL TOILET BOWL UPON WHICH THE TOILET SEAT IS HINGED COMPRISING A SUBSTANTIALLY FLAT BODY MEMBER HAVING CLOSELY SPACED TOP AND BOTTOM WALLS DISPOSED IN PARALLEL RELATION WITH THE CORRESPONDING OPPOSITE SIDE AND REAR EDGES OF SAID WALLS JOINED TOGETHER TO PROVIDE SAID MEMBER WITH A HOLLOW INTERIOR, THE CORRESPONDING FRONTAL EDGES OF SAID WALLS BEING SPACED APART TO PROVIDE AN ELONGATED ARCUATELY SHAPED SLOT ALONG THE FRONT EDGE OF SAID HOLLOW MEMBER FOR ENTRANCE OF AIR INTO THE INTERIOR THEREOF, SAID TOP WALL BEING FLEXIBLE RELATIVELY TO THE BOTTOM WALL IN THE REGION OF SAID AIR ENTRANCE SLOT, A BUTTOM-ACTUATED WITCH NORMALLY BIASED INTO OPEN CONDITION LOCATED INTERNALLY OF SAID FITTING IN THE REGION OF ITS FLEXIBLE TOP WALL PORTION, AXIALLY ADJUSTABLE MEANS PROJECTING UPWARDLY FROM SAID FLEXIBLE TOP WALL PORTION OF THE FITTING IN VERTICAL REGISTRY WITH SAID SWITCH AND ENGAGEABLE BY SAID TOILET SEAT FOR DEFLECTING SAID FLEXIBLE WALL PORTION DOWNWARDLY TO CLOSE SAID SWITCH WHEN THE SEAT IS DEPRESSED, SAID ADJUSTABLE MEANS BEING ACCESSIBLE EXTERNALLY OF THE FIXTURE FOR AXIAL ADJUSTMENT THEREOF, SPRING-PRESSED MEANS PROJECTING UPWARDLY THROUGH THE TOP WALL OF SAID FITTING AT OPPOSITE SIDES THEREOF OPERATIVE NORMALLY TO BIAS THE TOILET SEAT UPWARDLY