Gas leak detection device

Claim 1

A MACHINE FOR DETECTING LEAKS OF FLUID, IN, AND REMOVING SAID FLUID FROM, A DEFINITE AREA TO BE TESTED, IN GROUND AND BUILDING WALLS, COMPRISING IN COMBINATION: (A) A MOBILE CARRIER; (B) A ROTATABLE DRILL ASSEMBLY INSERTABLE INTO AND REMOVABLE FROM SAID AREA, COMPRISING AN ELONGATED TUBULAR MEMBER HAVING AN UPPER END AND A LOWER END AN A LONGITUDINAL BORE, AND OF A DRILL BIT THREAD ONTO SAID LOWER END; (C) DRIVING AND ROTATING MEANS CONNECTED TO THE UPPER END PORTION OF SAID DRILL ASSEMBLY (D) A PLURALITY OF APERTURES LOCATED IN THE LOWER PORTION OF SAID DRILL MEMBER, IN THE TUBULAR MEMBER THEREOF, AND COMMUNICATING THROUGH THE WALL OF SAID TUBULAR MEMBER WITH SAID BORE AND WITH THE EXTERIOR OF SAID TUBULAR MEMBER; (E) SEPARATE MEANS ADAPTED TO IMPOSE IN SAID BORE A PRESSURE AND A VACUUM, RESPECTIVELY; (F) A MOUNTING PLATE IN FRONT OF SAID RIGID SUPPORT, AND MOVABLE UP AND DOWN RELATIVE TO SAID SUPPORT, ON VERTICAL SLIDEWAYS ATTACHED TO THE VERTICAL SIDES OF SAID SUPPORT; (G) SUPPORTING MEANS PROJECTING OUTWARDLY FROM SAID MOUNTING PLATE AND AT RIGHT ANGLE THERETO, AND SUPPORTING SAID DRIVING AND ROTATING MEANS; (H) DRIVING AND ROTATING MEANS CONSISTING OF A VERTICAL DRIVING BEVEL GEAR ROTATINGLY ATTACHED TO SAID MOUNTING PLATE AND DRIVEN BY THE POWER TAKE-OFF OF SAID MOBILE CARRIER; AND OF A HORIZONTAL DRIVEN BEVEL GEAR MESHING WITH SAID DRIVEN GEAR AND SUPPORTED BY SAID SUPPORTING MEANS; (I) A KEYED CONNECTION BETWEEN SAID TUBULAR MEMBER OF SAID DRILL ASSEMBLY AND SAID HORIZONTAL BEVEL GEAR, SAID TUBULAR MEMBER BEING SLIDABLE IN SAID SUPPORTING MEANS; (J) A UNION AFFIXED TO THE UPPER END OF SAID TUBULAR MEMBER AND HAVING AN OUTER BODY AND AN INNER ROTATING MEMBER; (K) AN INTERNAL BORE FROM THE TOP TO THE BOTTOM OF SAID OUTER BODY, THROUGH SAID ROTATING MEMBER, THE BOTTOM OF SAID ROTATING MEMBER BEING KEYED TO SAID TUBULAR MEMBER, SAID INTERNAL BORE BEING IN OPEN COMMUNICATION WITH THE INNER BORE OF SAID TUBULAR MEMBER; (L) SAID INTERNAL ROTATING MEMBER AND INTERNAL BORE BEING COAXIAL WITH SAID TUBULAR MEMBER; (M) A LEAK-PROOF CONNECTION BETWEEN THE UPPER END OF SAID INTERNAL BORE AND PRESSURE EXERTING MEANS; (N) A LATERAL DUCT THROUGH THE WALLS OF SAID OUTER BODY AND INTERNAL ROTATING MEMBER, AND VACUUM PRODUCING MEANS CONNECTED TO SAID DUCT IN THE WALL OF SAID OUTER BODY; (O) SAID PRESSURE EXERTING MEANS AND SAID VACUUM PRODUCING MEANS BEING OPERATED FROM SOURCES OF PRESSURE AND VACUUM IN SAID MOBILE CARRIER.