Patents by Inventor Gotthold Schur

Gotthold Schur 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).

  • Deep-hole drill having a plurality of chip-forming devices and recesses in the rake face
    Patent number: 11969804
    Abstract: The invention relates to a single-lip drill and a double-lip drill having a plurality of chip-forming devices or depressions in the rake face which are arranged in succession and at a distance from one another. As soon as a cutting edge and/or the associated chip-forming device or the associated depression is worn, the deep hole drill according to the invention can be reground using simple means.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: April 30, 2024
    Assignee: botek Präzisionsbohrtechnik GmbH
    Inventors: Gotthold Schur, Jürgen Deeg
  • DEEP-HOLE DRILL AND DRILLING TOOL HAVING ONE OR MORE DEPRESSIONS IN THE CUTTING SURFACE
    Publication number: 20210252611
    Abstract: The invention relates to single-lip drills and double-lip drills, in which one or more depressions are formed in the rake face. The depressions according to the invention are arranged in the longitudinal direction of the tool at a distance from the cutting edge and have a positive influence on chip breaking.
    Type: Application
    Filed: March 21, 2019
    Publication date: August 19, 2021
    Applicant: botek Präzisionsbohrtechnik GmbH
    Inventor: Gotthold Schur
  • DEEP-HOLE DRILL HAVING A PLURALITY OF CHIP-FORMING DEVICES AND RECESSES IN THE RAKE FACE
    Publication number: 20210245268
    Abstract: The invention relates to a single-lip drill and a double-lip drill having a plurality of chip-forming devices or depressions in the rake face which are arranged in succession and at a distance from one another. As soon as a cutting edge and/or the associated chip-forming device or the associated depression is worn, the deep hole drill according to the invention can be reground using simple means.
    Type: Application
    Filed: March 21, 2019
    Publication date: August 12, 2021
    Applicant: botek Präzisionsbohrtechnik GmbH
    Inventors: Gotthold Schur, Jürgen Deeg
  • Boring device
    Patent number: 4100983
    Abstract: A boring device adapted for deep well drilling wherein a cutting plate is fixed in operative position in a recess of a boring head by means of a clamping bolt. The cutting plate is reversible and its position in the boring head is adapted to be adjusted in a substantially radial direction. The cutting plate has a serrated surface and the bottom of the recess has a matingly serrated surface which when contacting each other enhance the clamping action of the clamping bolt.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: July 18, 1978
    Assignee: Firma Botek Praezisions-Bohrtechnik Schur & Co.
    Inventors: Lothar Herrmann, Gotthold Schur