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:
Jun. 22, 2010
Filed:
Aug. 04, 2005
Bernhard Moser, Altshausen, DE;
Rainer Widmann, Ravensburg, DE;
Bernhard Moser, Altshausen, DE;
Rainer Widmann, Ravensburg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a drilling tool, especially for percussion drilling, which comprises a cutting element () that is configured as a plate () or head and that has at least one cutting edge () defined by a cutting face () and a free face (). The cutting edge () is associated with a first free face section () which is limited in a cutting plane at a right angle to the cutting edge () and parallel to the longitudinal axis (L) of the drilling tool () by a convex bulge () or a convex polygon outline. The vertical height of a rib () defined by the first free face section () and an associated first cutting face section () ranges from 0.1 mm to 1.0 mm.