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. 13, 2006
Filed:
Oct. 15, 2003
Udo Hauptmann, Landsberg/Lech, DE;
Peter Sternberger, Augsburg, DE;
Reinhard Schulz, Munich, DE;
Martin Richter, Freising, DE;
Udo Hauptmann, Landsberg/Lech, DE;
Peter Sternberger, Augsburg, DE;
Reinhard Schulz, Munich, DE;
Martin Richter, Freising, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A cup-shaped drill head with an inner conical surface () for force-locking connection with an exterior conical surface () of a driving drill shaft (), which at the leading end changes over into a cup base () with a center point (P), whereby in the change over from the cup base () to the inner conical surface () a lesser curvature (K) is present than at the center point (P).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile