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:
Aug. 06, 2002
Filed:
Apr. 18, 2001
Hilti Aktiengesellschaft, Schaan, LU;
Abstract
A device for removing formlockingly anchored dowels including an anchor rod and an expansion sleeve ( ) displaceable along the anchor rod, the device including a sleeve-shaped support member ( ) having, at one of its ends, a support shoulder, an indexing projection ( ) extending beyond the support shoulder ( ) and provided with a load application element ( ) movable in a tensile operational engagement with the load application element ( ) of the dowel sleeve ( ); and a through-bore provided with an inner thread for receiving a shaft ( ) having an outer thread ( ) cooperating with the inner thread of the through-bore ( ) to provide for a relative axial displacement of the shaft ( ) with respect tot he support member upon rotation of the shaft ( ), the shaft ( ) having identical coupling elements ( ) provided at its opposite longitudinal ends, and an adaptor ( ) including an elongate section ( ) having at its free end connection element ( ) corresponding to the coupling element ( ) of the shaft ( ) and having, at its end opposite the elongate section ( ), a shank ( ) receivable in a chuck of a hand-held tool.