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:
Jan. 29, 2019
Filed:
Mar. 16, 2017
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventor:
Michael Schuffenhauer, Fürth, DE;
Assignee:
KENNAMETAL INC., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 29/03 (2006.01); B23D 77/02 (2006.01);
U.S. Cl.
CPC ...
B23B 29/03 (2013.01); B23D 77/02 (2013.01); B23B 2240/24 (2013.01); B23B 2250/12 (2013.01); B23B 2260/124 (2013.01); B23D 2277/02 (2013.01);
Abstract
A drilling tool with: a shaft; a seat at one end of the shaft; a drill bit, which is arranged on the seat; and a clamping section, which is provided on the shaft and can interact with the drill bit. Also provided is a tensioning screw, which is screwed into the shaft and comprises an expanding section as well as a contact section. The expanding section interacts with the clamping section, and the contact section interacts with the drill bit.