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:
Apr. 25, 2006
Filed:
Jul. 29, 2004
Applicants:
Wolfgang Ludwig, Klosterlechfeld, DE;
Erich Leibhard, Munich, DE;
Inventors:
Wolfgang Ludwig, Klosterlechfeld, DE;
Erich Leibhard, Munich, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A self-drilling rock anchor includes an anchor tube (), a drill head () provided at the first end (), an outer thread () provided at least in a region of the second, free end () of the anchor tube and an adapter () releasably connectable with the anchor tube () and having an inner thread () for engaging the outer thread () of the anchor tube (), a screw stop (), and a quick-intervention element () connectable with a rotatable chuck of a drilling tool the rock anchor is driven-in with.