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:
Oct. 21, 2003
Filed:
Apr. 22, 2002
Matthäus Hoop, Eschen, LI;
Manfred Hartmann, Nenzing, AT;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A tool for removing a drill core is formed of a tubular tool member ( ) having an axially extending receptacle region (A) and an axially extending gripping region (B), wherein the receptacle region (A) extends partially around half of the circular annular circumference. In a first end of the receptacle region (A) spaced from the gripping region (B) two mutually opposed swivel arms ( ) are arranged. The swivel arms ( ) project into the inside diameter of the tool member ( ) and extend in the direction of the gripping region (G) and are elastic in the radial direction. These swivel arms ( ) serve in axially securing a drill core received in the receptacle region (A) of the tool member ( ).