Patent ID: 6757929
Filing Date: 2004-07-06
Classification: B08B,B23B

Abstract:
A tool for cleaning pipe ends, said tool comprising:a de-burring assembly for de-burring pipe ends having different inside diameters, said de-burring assembly including an inner bit member, an outer bit member, at least one intermediate bit member, and a base member; all of said bit members having a pair of first blade portions for engaging inner edges of the pipe ends; said inner bit member, each of said intermediate bit members, and said base member having a pair of second blade portions for engaging bottom edges of the pipe ends; each of said first blade portions and said second blade portions being alignable when each of said bit members and said base member of said de-burring assembly are assembled such that the inner edges and bottom edges of the pipe ends are engagable simultaneously; an elongate support structure for holding said de-burring assembly together; said support structure having a first end and a second end, said second end of said support structure being positionable in a drill chuck to rotate said de-burring assembly when said de-burring assembly is mounted on said support structure; a securing member for securing said de-burring assembly on said support structure; each of said members of said de-burring assembly having a leading end and a trailing end and a bore extending between said leading and trailing ends; and each of said bit members having a pair of holding portions positioned on each of said trailing ends, said holding portions being positioned on opposite sides of each of said bores.