Drill bit with tangential jet

Claim 1

A ROTARY DRILL BIT FOR DRILLING BORE HOLES INTO EARTH FORMATIONS AND THE LIKE, INCLUDING A BODY MEMBER HAVING A DRILL STEM CONNECTION BY WHICH THE DRILL BIT IS ROTATED AND HAVING A PASSAGEWAY MEANS WITHIN SAID BODY MEMBER AND DRILL STEM CONNECTION THROUGH WHICH A DRILLING FLUID IS SUPPLIED WHEN THE DRILL BIT IS IN USE, ARMS DEPENDING FROM THE BODY MEMBER ONE OF WHICH IS ON THE SIDE OF AN OFFSET AXIS FROM THE ROTATIONAL AXIS OF THE DRILL STEM CONNECTION AND THE OTHER OF SAID ARMS BEING CIRCUMFERENTIALLY SPACED FROM SAID ONE ARM AND FROM EACH OTHER, SPINDLES CARRIED BY SAID ARMS AND EXTENDING DOWNWARDLY AND INWARDLY TOWARD SAID OFFSET AXIS, AND CONICAL CUTTERS ON SAID SPINDLES TO ROLL IN CIRCULAR PATHS ABOUT THE OFFSET AXIS AND IN GYRATORY MOTION ABOUT THE AXIS OF THE DRILL STEM CONNECTION TO MAINTAIN AN OPEN SPACE BETWEEN SAID CUTTERS AND THE WALL OF THE BORE HOLE THAT IS OPPOSITE THE CONICAL CUTTER CARRIED BY SAID ONE ARM AND WHICH TRAVELS PROGRESSIVELY AROUND THE WALL OF THE BORE HOLE WITH THE GYRATORY MOVEMENT OF THE CUTTERS TO MAINTAIN AN UNOBSTRUCTED UPFLOW PASSAGEWAY FROM THE BOTTOM OF THE BORE HOLE UPWARDLY AT THE SIDE OF THE DRILL BIT, SAID ONE ARM AND SPINDLE CARRIED THEREBY HAVING A FLOW PASSAGEWAY CONNECTED WITH SAID PASSAGEWAY MEANS