Cutting by use of rotating axially moving tool – Processes – Bit detachable
Reexamination Certificate
2006-03-07
2006-03-07
Ashley, Boyer D. (Department: 3722)
Cutting by use of rotating axially moving tool
Processes
Bit detachable
C408S080000, C408S201000, C408S204000, C408S145000
Reexamination Certificate
active
07008149
ABSTRACT:
A new and improved tool kit and method of using the tool kit for use in making a substantially perpendicular indented surface around an existing threaded bolt hole in a workpiece is disclosed. The kit comprises a guide rod and a grinder drill bit. The guide rod has a threaded distal end that is able to be threadedly fitted within the threaded bolt hole of the workpiece. The guide rod also has a cylindrical proximate end which has a first diameter. The grinder drill bit has a shank adapted to be coupled to a shank lock of an electrical drill. The grinder drill bit also has an elongated hollow cylinder attached to the shank, in which the elongated hollow cylinder has a centrally disposed orifice. The centrally disposed orifice of the grinder drill bit has a internal slightly diameter larger than the first diameter of the cylindrical proximate end of the guide rod, so that the cylindrical proximate end of the guide rod can be slidably inserted within the centrally disposed orifice of the elongated hollow cylinder of the grinder drill bit. Finally the grinder drill bit has a cutting element attached to the distal end of the elongated hollow cylinder for grinding or cutting a fresh surface around the existing threaded bolt hole. The method of using the tool kit comprises the steps of activating, attaching, blowing, choosing, cutting, identifying, obtaining, locking, plugging, pressing, pulling, screwing, sliding, turning, and unscrewing.
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Abdelwahed Ali
Ashley Boyer D.
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