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. 27, 2003
Filed:
Jul. 05, 2001
Rolf Spangenberg, Gauting, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A cutting tool, includes a disc-shaped base member ( ), a plurality of ring segment-shaped cutting regions ( ) provided at a circumference of the base member ( ) separated circumferentially by recesses ( ) open at an outer contour of the base member ( ) and extending radially through respective cutting regions ( ), and at least one elongate opening ( ) located in each section (A) of the base member ( ), which is defined by a respective cutting region and is limited by two imaginary liens extending from the center (C) of the base body and passing through adjacent recesses ( ), and by the central bore ( ) of the base member ( ), with the opening ( ) extending radially along a section of an imaginary spiral line starting from a center of the base member ( ).