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. 02, 2000
Filed:
Sep. 23, 1998
Kai-Uwe Keller, Feldkirch-Tisis, AT;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
An expansion dowel including a cylindrical, at least regionwise expandable dowel body (2) having a plurality of axial slots (22) opening at a front, in a setting direction(s), end (24) of the dowel body, and a bore (21) which tapers in the setting direction(s) in a region of the axial slots (22); an expansion sleeve (4) arranged inside of the dowel body (2) and tapering in the setting direction(s), the expansion sleeve (4) having a conically tapering, in the setting direction(s), bore (44), a plurality of slots extending in an axial direction, and a plurality of projections (47) projecting from an outer surface (42) of the sleeve and adapted to displace in the axial slots (22) of the dowel body (2); and an expansion member 93) axially displaceable in the bore (21) of the dowel body.