Rotary shock wave drill bit

Claim 1

A DRILL BIT COMPRISING: A SUPPORT HAVING AN AXIS ABOUT WHICH IT IS ADAPTED TO BE ROTATED; A PLURALITY OF SUPPORTING SHAFTS MOUNTED ON SAID SUPPORT IN POSITIONS GENERALLY TRANSVERSE TO AND CIRCUMFERENTIALLY SPACED ABOUT SAID AXIS OF ROTATION; A CUTTING MEMBER MOUNTED FOR ROTATION ON EACH OF SAID SUPPORT SHAFTS; A PLURALITY OF CUTTING ELEMENTS DISPOSED ABOUT THE PERIPHERY OF EACH CUTTING MEMBER TO BE SUCCESSIVELY ENGAGEABLE WITH THE DRILLING SURFACE; A PLURALITY OF ROLLING MEMBERS MOUNTED IN CIRCUMFERENTIALLY SPACED RELATION WITHIN SAID CUTTING MEMBERS ABOUT SAID SUPPORTING SHAFTS; AND ROLLING MEMBERS MOUNTED IN THE LOWER PORTIONS OF SAID SHAFTS IN POSITIONS TO ENGAGE THE ROLLING MEMBERS ON SAID CUTTING MEMBERS SUCCESSIVELY AS SAID CUTTING MEMBERS ROTATE ON SAID SHAFTS, THE ENGAGEMENT OF SAID ROLLING MEMBERS FORCING SAID CUTTING MEMBERS TO SHIFT TRANSVERSELY OF SAID SHAFTS TO DOWNWARD IMPACT POSITIONS, WHEREBY ROTATION OF SAID CUTTING MEMBERS IS ACCOMPANIED BY RAPID SHIFTING MOVEMENTS THEREOF TO EFFECT MULTIPLE RAPID IMPACT OF THE CUTING ELEMENTS AGAINST THE DRILLING SURFACE.