Patent ID: 6209426
Filing Date: 2001-04-03
Classification: B25B

Abstract:
A screwdriver bit assembly capable of magnetically attracting a screw, the assembly comprising:a driver bit made of a magnetic material having a tip for engaging a screw and a cylindrical portion extending a predetermined distance from the tip;a cylindrical spacer composed of a magnetic material disposed around and supported on the cylindrical portion; anda ring magnet attached to an end of said cylindrical spacer by magnetic attraction for magnetically attracting a said screw;wherein the driver bit has an annular step at the predetermined distance from the tip and a larger diameter portion, adjoining the step, having a diameter larger than the diameter of the cylindrical portion, a further ring magnet is disposed between the step and the cylindrical spacer to magnetically attract both the step and cylindrical spacer to support the spacer on the cylindrical portion.