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:
Jun. 27, 2017
Filed:
Dec. 21, 2012
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/04 (2006.01); B28D 1/04 (2006.01);
U.S. Cl.
CPC ...
B23B 51/0466 (2013.01); B23B 51/0406 (2013.01); B23B 51/048 (2013.01); B23B 51/0473 (2013.01); B28D 1/041 (2013.01); B23B 2251/02 (2013.01); B23B 2251/46 (2013.01); B23B 2251/50 (2013.01); Y10T 408/892 (2015.01); Y10T 408/895 (2015.01); Y10T 408/9098 (2015.01);
Abstract
A drill bit which is rotatable about a drilling axis is disclosed. The drill bit has a drill shaft section having a first plug-connecting element and a cutting section having a second plug-connecting element. The first plug-connecting element and the second plug-connecting element form a plug connection. The cutting section includes a plurality of cutting subsections each having a ring subsection and at least one cutting segment, wherein each ring subsection together with the first plug-connecting element forms the plug connection and is connectable to the first plug-connecting element by a pin connection.