Patent ID: 7574946
Filing Date: 2009-08-18
Classification: B25B

Abstract:
1. An apparatus comprising: a screwdriver having a head rod with a screwdriver head at an end thereof, said screwdriver head having a stop wall at an end thereof, said head rod having a conical ring groove converging toward said stop wall; a cylinder body having a trepan boring sleeved onto said head rod, said cylindrical body having a ring groove adjacent one end thereof, said cylindrical body being of an injection molded polymeric material, said cylindrical body having a plurality of transverse grooves formed through a wall of said cylindrical body and extending in spaced-relation to each other around said wall of said cylindrical body, said plurality of transverse grooves extending inwardly from an opposite end of said cylindrical body; a magnetic body having an annular shape and affixed within said ring groove; and a pair of flexible locating detents formed at said opposite end of said cylindrical body, each of said pair of flexible locating detents comprising a flexible section and a locating flange, said locating flange protruding into said trepan boring of said cylindrical body, said locating flange contacting said stop wall when said cylindrical body is in a position such that said magnetic body extends outwardly of said screwdriver head, said locating flange extending around said conical ring groove.