Bowling ball drilling method and apparatus

Claim 1

A METHOD OF DRILLING A MULTI-STAGE FINGER LIFT OPENING IN A BOWLING BALL IN A CONTINUOUS OPERATION, THE BOWLING BALL BEING MOUNTED IN A CRADLE SECURED TO A DRILLING DEVICE WITH A ROTATING DRILL BIT THEREIN, THE DRILL BIT HAVING AN ENLARGED HEAD WITH UPPER AND LOWER CUTTING EDGES, THE METHOD COMPRISING THE STEPS OF: PIVOTING THE CRADLE AND BALL TO A POSITION WHEREIN THE DRILL IS ALIGNED WITH THE BALL AT A NON-RADIAL FIRST LOCATION; SIMULTANEOUSLY ADVANCING THE ROTATING DRILL INTO THE BALL TO A FIRST DESIRED DEPTH; LOCKING THE DRILL AGAINST VERTICAL MOVEMENT WHILE CONTINUING THE PIVOTING OF THE CRADLE AND BALL WHEREBY THE UPPER CUTTING EDGES FORM A FIRST ANGLE PORTION IN THE LIFT OPENING OF THE BALL; PIVOTING THE CRADLE TO A SECOND NON-RADIAL ANGLE OBTUSELY RELATED TO THE FIRST NON-RADIAL ANGLE WHILE CONTINUING THE ROTATION OF THE DRILL THUS TO PROVIDE A SECOND NON-RADIAL SECTION OF THE LIFT OPENING; ADVANCING THE ROTATING DRILL TO A SECOND DEPTH; PIVOTING THE CRADLE TO A POSITION WHEREIN THE DRILL IS SUBSTANTIALLY ALIGNED WITH THE RADIUS OF THE BALL WHILE CONTINUING ROTATION OF THE DRILL WHEREBY THE UPPER CUTTING EDGE FORMS A SECOND ANGLE PORTION; INSERTING THE ROTATING DRILL IN THE BALL TO A THIRD SELECTED DEPTH; AND WITHDRAWING THE DRILL BY REVERSAL OF THE CRADLE POSITIONS WHILE CONTINUING THE ROTATION OF THE DRILL.

Claim 2

A METHOD OF DRILLING A MULTI-STAGE FINGER LIFT OPENING IN A BOWLING BALL IN A CONTINUOUS OPERATION, THE BOWLING BALL BEING MOUNTED IN A CRADLE SECURED TO A DRILLING DEVICE WITH A ROTATING DRILL BIT THEREIN, THE DRILL BIT HAVING AN ENLARGED HEAD WITH UPPER AND LOWER CUTTING EDGES, THE METHOD COMPRISING THE STEPS OF: PIVOTING THE CRADLE AND BALL TO A POSITION WHEREIN THE DRILL IS ALIGNED WITH THE BALL AT A NON-RADIAL FIRST LOCATION; SIMULTANEOUSLY ADVANCING THE ROTATING DRILL INTO THE BALL TO A FIRST DESIRED DEPTH; LOCKING THE DRILL AGAINST VERTICAL MOVEMENT WHILE CONTINUING THE PIVOTING OF THE CRADLE AND BALL WHEREBY THE UPPER CUTTING EDGES FORM A FIRST ANGLE PORTION IN THE LIFT OPENING OF THE BALL; PIVOTING THE CRADLE TO A SECOND NON-RADIAL ANGLE OBTUSELY RELATED TO THE FIRST NON-RADIAL ANGLE WHILE CONTINUING THE ROTATION OF THE DRILL THUS TO PROVIDE A SECOND NON-RADIAL SECTION OF THE LIFT OPENING; ADVANCING THE ROTATING DRILL TO A SECOND DEPTH; PIVOTING THE CRADLE TO A POSITION WHEREIN THE DRILL IS SUBSTANTIALLY ALIGNED WITH THE RADIUS OF THE BALL WHILE CONTINUING ROTATION OF THE DRILL WHEREBY THE UPPER CUTTING EDGE FORMS A SECOND ANGLE PORTION; INSERTING THE ROTATING DRILL IN THE BALL TO A THIRD SELECTED DEPTH; AND WITHDRAWING THE DRILL BY REVERSAL OF THE CRADLE POSITIONS WHILE CONTINUING THE ROTATION OF THE DRILL.