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:
May. 29, 2001
Filed:
Apr. 23, 1999
Werner Kaibach, Buchloe, DE;
Stefan Raber, Kaufering, DE;
Hans-Jürgen Negele, Denklingen, DE;
Alois Kölbl, Buchloe, DE;
Ulrich Genschmer, Hofstetten, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A dowel including an anchor rod (,) provided at front, in a setting direction, end with a head portion (,) widening in the setting direction, and a sleeve (,) having a through-bore and axially displaceable along the anchor rod, with the sleeve (,) having, at its end adjacent to the head portion (,) an expansion region (,) formed by a plurality of expansion tabs (,) separated from each other by substantially axially extending slots (,) and radially expandable upon a relative displacement of the sleeve (,) and the anchor rod (,), and a sleeve section adjoining the expansion region (,) and having, in its rear end region (,), a larger diameter (G) than in its front end region (,) adjoining the expansion region (,), with the sleeve section having a narrowing intermediate region (,) extending between the rear end region (,) and the front end region (,) and having a smallest outer diameter (M) which is smaller than an outer diameter (F) in the front end region (,).