Patents by Inventor Rene Schwarznau

Rene Schwarznau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9713850
    Abstract: A reaming tool includes a main tool body disposed about a rotational axis, a plurality of peripherally arranged cutting inserts coupled to the tool body, and a fine adjustment mechanism associated with each cutting insert. The adjustment mechanism includes an adjusting screw with a conical section that acts on the cutting insert for fine adjustment, the conical section being arranged between a first and a second cylindrical guide section. The two guide sections ensure high-precision guidance of the adjusting screw.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: July 25, 2017
    Assignee: KENNAMETAL INC.
    Inventors: Heinrich Georg Manner, Rene Schwarznau, Xaver Franz Spichtinger, Armin Josef Zimmermann
  • Publication number: 20150030404
    Abstract: A reaming tool includes a main tool body disposed about a rotational axis, a plurality of peripherally arranged cutting inserts coupled to the tool body, and a fine adjustment mechanism associated with each cutting insert. The adjustment mechanism includes an adjusting screw with a conical section that acts on the cutting insert for fine adjustment, the conical section being arranged between a first and a second cylindrical guide section. The two guide sections ensure high-precision guidance of the adjusting screw.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 29, 2015
    Applicant: KENNAMETAL INC.
    Inventors: Heinrich Georg Manner, Rene Schwarznau, Xaver Franz Spichtinger, Armin Josef Zimmermann
  • Publication number: 20130156520
    Abstract: A reamer having a cylindrical cutter part (1) having a plurality of cutting bodies (4) arranged on the cylinder circumferential surface, the cutting bodies (4) having a cutter region (12) realized as a cutting strip and having a guide region (13) that adjoins the cutter region in a continuous manner in the direction of feed (10).
    Type: Application
    Filed: March 30, 2011
    Publication date: June 20, 2013
    Applicant: KENNAMETAL, INC.
    Inventors: Michael Hacker, Rene Schwarznau, Sebastian Kunschir