The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 2009
Filed:
Mar. 31, 2004
Juergen Heilmann, Erligheim, DE;
Uwe Kretzschmann, Bietigheim-Bissingen, DE;
Peter Leuze, Walheim, DE;
Juergen Heilmann, Erligheim, DE;
Uwe Kretzschmann, Bietigheim-Bissingen, DE;
Peter Leuze, Walheim, DE;
Komet Group Holding GmbH, Besigheim, DE;
Abstract
A tool includes a shaft and a blade support which is disposed in a removable manner on the face of the shaft, preferably embodied as a drill bit. One end of the blade support is provided with a transversal rib that extends beyond an end face. It can be inserted into an accommodating device of the shaft, which is delimited by a planar counterface, and can be clamped by clamping screws. In order to ensure sufficient torque transmission even with small bore diameters, the accommodating device is provided with two entraining sections that are separated by a central gap, are disposed in a twofold rotationally symmetric manner relative to the tool axis, and protrude from the counterface of the shaft essentially parallel to the axis. Each entraining section encompasses an axially parallel entraining area for an adjacent transversal rib section, which points in the direction of rotation of the shaft.