Patent ID: 7435041

Claim:
A hole cutting assembly adapted for cutting cylindrical conduits comprising: a base member having first and second V-shaped contact sections at opposite ends thereof; a linear base anchoring member secured to the base member, the anchoring member adapted for encircling a cylindrical conduit and drawing both V-shaped contact sections of the base member against an outer surface of the cylindrical conduit; a support plate member extending perpendicularly from the base member in opposition to one V-shaped contact section; a bearing housing member secured to the support plate member, the housing member including a cylindrical passage there through with a cylindrical axis parallel the support plate member, the cylindrical axis positioned beyond one end of the base member, the housing member including at least two bearings within the cylindrical passage; and a cylindrical arbor shaft member rotatably and slidably mounted within the housing member's cylindrical passage, the shaft member including a threaded end adjacent the base member and a hexagonal end opposite the base member, the shaft member's threaded end adapted for securing a cylindrical cutting bit member thereto; whereby securing the hole cutting assembly to an outer surface of a conduit with the base anchoring member, and attaching a power drill to the arbor shaft member's hexagonal end provides rotation of a cylindrical cutting bit member secured to the threaded end of the arbor shaft member, thereby cutting a hole in the conduit.