Patents Assigned to Firma DreBo Werkseug-Fabrik GmbH
  • Bit adaptor
    Patent number: 6033162
    Abstract: A bit adaptor has a guide sleeve having a first end and a second end. The first end has an axially extending polygonal receiving member for receiving a screwdriver bit. The second end has an axially extending blind bore for receiving a drill bit. The blind bore has a bottom portion for torsionally engaging a tip of the drill bit. The bottom portion has a support structure for supporting a cutting plate of a tip of the drill bit, wherein the support structure provides at least a linear support for the cutting plate.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: March 7, 2000
    Assignee: Firma DreBo Werkseug-Fabrik GmbH
    Inventors: Klemens Uebele, Klaus Dreps