Patent ID: 6883406

Claim:
A shank retaining base for a screw driver comprising: a) a handle having a central receiving cavity; b) a base mount having: i) a polygonal sleeve hole located through a first end portion; ii) a round pivot hole located through a second end portion and communicating with the polygonal sleeve hole; iii) a plurality of equally spaced retaining ribs located on the second end portion and extending axially and outwardly from an outer periphery thereof, each of the plurality of equally spaced retaining ribs having oblique guides edges at opposing ends thereof; iv) a journal section located between the first end portion and the second end portion, the journal section having a roller bead and a flexible member positioning the roller bead; v) a circular guide facet located on an end of the second end portion; and vi) a stop step located on an outer periphery of the first end portion adjacent to the journal section and spaced apart from an end of the second end portion, wherein the plurality of equally spaced retaining ribs and the journal section are located within the central receiving cavity of the handle, the first end portion and the stop step protrude from the central receiving cavity of the handle; and c) a polygonal shaped shank body inserted into the polygonal sleeve hole and having two tool heads, one of the two tool heads located on each of two opposing ends thereof, the roller bead engaging the polygonal shaped shank body.