Composite mounting collar and cover for septic tank aerator mechanism

Claim 1

A COMPOSITE MOUNTING COLLAR AND COVER FOR SEPTIC TANK AERATOR MECHANISMS, OF THE UNITARY TYPE HAVING LATERALLY EXTENDING SUPPORT FEET, COMPRISING IN COMBINATION: (A) A HOLLOW CYLINDER PRIMARY COLLAR SECTION, OPEN AT BOTH ENDS, HAVING A DEPENDENT SLEEVE AT ITS LOWER END ADAPTED TO FIT IN THE VENT OPENING OF A SEPTIC TANK ROOF, AND A CIRCULAR FLAT SEAT AT ITS UPPER END, HAVING A SOCKET IN THE FACE THEREOF; (B) THE PRIMARY COLLAR SECTION ALSO HAVING AN INNER, CIRCULAR LEDGE, SPACED DOWNWARDLY OF SAID SEAT, ADAPTED TO BE ENGAGED BY THE LATERALLY EXTENDING FEET OF THE UNITARY AERATOR MECHANISM AND SUPPORT SAME THEREFROM; (C) AN UPSTANDING LUG POSITIONED ON SAID LEDGE, ENGAGEABLE BY ONE OF SAID UNITARY AERATOR MECHANISM SUPPORTING FEET, TO PREVENT ROTATION OF SAID UNIT RELATIVE TO THE LEDGE AND PRIMARY COLLAR SECTION; (D) A HOLLOW CYLINDRICAL SECONDARY COLLAR SECTION, OPEN AT BOTH ENDS, WITH CIRCULAR FLAT SEATS AT THE UPPER AND LOWER ENDS THEREOF, THE LOWER SEAT HAVING A DEPENDENT LUG AND THE UPPER SEAT HAVING AN UPSTANDING LUG; (E) A FLAT COVER HAVING A SOCKET IN ITS LOWER SURFACE, SPACED INWARDLY OF AND PROXIMATE ITS PERIPHERAL EDGE; (F) THE SECONDARY COLLAR SECTION BEING SEATED ON THE PRIMARY COLLAR SECTION, WITH ITS DEPENDENT LUG FITTED IN THE PRIMARY COLLAR SECTION SOCKET; THE COVER BEING SEATED ON THE SECONDARY COLLAR SECTION WITH THE UPSTANDING LUG THEREOF FITTED IN THE COVER SOCKET, WHEREBY RELATIVE ROTATION OF THE SEVERAL COLLAR SECTIONS AND COVER IS PREVENTED.