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:
Jan. 30, 2001
Filed:
Oct. 14, 1999
Thomas Belz, Kaufering, DE;
Michael Werner, Munich, DE;
Hilti Aktiengesellschaft, Schaan, Liechtenstein, LI;
Abstract
An expansion dowel, including an expansion sleeve (,) having a rear section (,) provided with an inner thread (,), an opposite expansion section (,) with a plurality of expansion tabs (,) separated by axial slots, and a stepped bore (,) having in, the expansion section (,), a smaller inner diameter (s) than in the rear section (,) and a circumferential annular shoulder (,) formed in a transitional region between the rear and the expansion sections (,) and facing substantial toward a rear end of the expansion sleeve (,), and an expansion member (,) provided at a front end of the expansion sleeve (,) projecting beyond the front, the expansion member (,) projecting beyond the front end of the expansion sleeve (,), widening substantially conically in a setting direction (,), and having a length (l) larger than a length (k) of the expansion section (,) of the expansion sleeve (,).