Patent ID: 6729208
Filing Date: 2004-05-04
Classification: B25B

Abstract:
A tool for removing fasteners comprising:a first end; a second end opposite the first end; a generally annular body extending between the first and second ends and having a longitudinal axis; a drive engaging portion intermediate the first and second ends for cooperating with a drive mechanism; the annular body having an inner wall including a plurality of generally spiral flutes extending between the first end and the drive engaging portion, a plurality of generally spiral crests, a crest being located on either side of each flute, the plurality of flutes and the plurality of crests combining to define an opening into the annular body from the first end, the plurality of flutes and the plurality of crests tapering toward the body longitudinal axis such that a cross-sectional area of the opening taken orthogonally to the longitudinal center axis decreases along a direction extending from the first end toward the second end of the body.