Method and apparatus for anchoring a tie-down bar in an earth situs

Claim 1

A METHOD AS FOR ANCHORING A TIE-DOWN BAR AT A SITUS, COMPRISING: PROVIDING A DRILL HAVING A PASSAGE THERETHROUGH AND A DRIVING BIT SELECTIVELY CLOSING ITS INNER END; SCREWING SAID DRILL AND BIT INTO THE SITUS TO DRILL A HOLE OF PREDETERMINED DEPTH IN THE SITUS BY OUTWARD DISPLACEMENT OF EARTH THEREOF, WHILE AN ELONGATED RIGID ELEMENT IS MAINTAINED AFFIXED TO THE DRIVING BIT AND RELEASABLY CONNECTED TO THE DRILL TO EXTEND IN AXIALLY CENTERED RELATION WITHIN THE DRILL PASSAGE FOR ROTATING THE ELEMENT AND THE BIT WITH THE DRILL; PROGRESSIVELY REMOVING THE DRILL FROM THE HOLE AFTER RELEASING THE DRIVING BIT AND THE ELEMENT THEREON IN SUBSTANTIALLY CENTERED POSITION WITHIN THE HOLE, AND SUBSTANTIALLY WITHOUT RETRACTION OF THE DISPLACED EARTH INTO THE HOLE, WHILE PROGRESSIVELY FEEDING A HARDENABLE CEMENTITIOUS FLUID INTO THE HOLE THROUGH SAID DRILL PASSAGE AND THE END THEREOF OPENED BY RELEASING THE BIT, WITH THE ELEMENT RETAINED THEREON, TO FILL THE HOLE AND SURROUND THE ELEMENT WITH THE CEMENTITIOUS FLUID; AND THEREAFTER ALLOWING THE CEMENTITIOUS FLUID TO HARDEN IN THE HOLE AND THEREBY TO ANCHOR THE ELEMENT BIT IN SAID SUBSTANTIALLY CENTERED RELATION THEREIN.

Claim 2

A METHOD AS FOR ANCHORING A TIE-DOWN BAR AT A SITUS, COMPRISING: PROVIDING A DRILL HAVING A PASSAGE THERETHROUGH AND A DRIVING BIT SELECTIVELY CLOSING ITS INNER END; SCREWING SAID DRILL AND BIT INTO THE SITUS TO DRILL A HOLE OF PREDETERMINED DEPTH IN THE SITUS BY OUTWARD DISPLACEMENT OF EARTH THEREOF, WHILE AN ELONGATED RIGID ELEMENT IS MAINTAINED AFFIXED TO THE DRIVING BIT AND RELEASABLY CONNECTED TO THE DRILL TO EXTEND IN AXIALLY CENTERED RELATION WITHIN THE DRILL PASSAGE FOR ROTATING THE ELEMENT AND THE BIT WITH THE DRILL; PROGRESSIVELY REMOVING THE DRILL FROM THE HOLE AFTER RELEASING THE DRIVING BIT AND THE ELEMENT THEREON IN SUBSTANTIALLY CENTERED POSITION WITHIN THE HOLE, AND SUBSTANTIALLY WITHOUT RETRACTION OF THE DISPLACED EARTH INTO THE HOLE, WHILE PROGRESSIVELY FEEDING A HARDENABLE CEMENTITIOUS FLUID INTO THE HOLE THROUGH SAID DRILL PASSAGE AND THE END THEREOF OPENED BY RELEASING THE BIT, WITH THE ELEMENT RETAINED THEREON, TO FILL THE HOLE AND SURROUND THE ELEMENT WITH THE CEMENTITIOUS FLUID; AND THEREAFTER ALLOWING THE CEMENTITIOUS FLUID TO HARDEN IN THE HOLE AND THEREBY TO ANCHOR THE ELEMENT BIT IN SAID SUBSTANTIALLY CENTERED RELATION THEREIN.