Patents by Inventor Koichiro Katoh

Koichiro Katoh 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).

  • Turret for turret lathe
    Patent number: 7117773
    Abstract: A turret body is provided with a tool spindle for detachably attaching a complex tool so as to be freely rotated with an axial center as its center. The turret body is provided with indexing means for indexing the tool spindle, and clamping means for clamping the tool spindle at an indexed position indexed by the indexing means. The turret body has a function for indexing the tool spindle for attaching the complex tool thereto and a function for clamping, thereby using the complex tool in a turret lathe.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: October 10, 2006
    Assignee: Yamazaki Mazak Kabushiki Kaisha
    Inventors: Koichiro Katoh, Kazuo Kawasaki, Naoya Tanaka, Minoru Kitayama
  • Tool holder for turret lathe
    Patent number: 6865789
    Abstract: A tool holder for attaching a complex tool having a plurality of kinds of cutting edges to a turret, has a base portion attachably and detachably formed at the turret. The base portion has a rotatable tool spindle attachably and detachably installing the complex tool thereon. The tool spindle is provided with indexing means for indexably rotating the tool spindle at an indexed position corresponding to each cutting edge of the complex tool. And, clamping means for clamping the tool spindle at a predetermined indexed position is provided. Indexing rotational function and clamping function owned by the tool holder makes the use of the complex tool in the lathe possible.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: March 15, 2005
    Assignee: Yamazaki Mazak Kabushiki Kaisha
    Inventors: Koichiro Katoh, Kazuo Kawasaki, Naoya Tanaka, Minoru Kitayama
  • Turret for turret lathe
    Publication number: 20040003690
    Abstract: A turret body is provided with a tool spindle for detachably attaching a complex tool so as to be freely rotated with an axial center as its center. The turret body is provided with indexing means for indexing the tool spindle, and clamping means for clamping the tool spindle at an indexed position indexed by the indexing means. The turret body has a function for indexing the tool spindle for attaching the complex tool thereto and a function for clamping, thereby using the complex tool in a turret lathe.
    Type: Application
    Filed: June 26, 2003
    Publication date: January 8, 2004
    Inventors: Koichiro Katoh, Kazuo Kawasaki, Naoya Tanaka, Minoru Kitayama
  • Tool holder for turret lathe
    Publication number: 20030221525
    Abstract: A tool holder for attaching a complex tool having a plurality of kinds of cutting edges to a turret, has a base portion attachably and detachably formed at the turret. The base portion has a rotatable tool spindle attachably and detachably installing the complex tool thereon. The tool spindle is provided with indexing means for indexably rotating the tool spindle at an indexed position corresponding to each cutting edge of the complex tool. And, clamping means for clamping the tool spindle at a predetermined indexed position is provided. Indexing rotational function and clamping function owned by the tool holder makes the use of the complex tool in the lathe possible.
    Type: Application
    Filed: May 27, 2003
    Publication date: December 4, 2003
    Inventors: Koichiro Katoh, Kazuo Kawasaki, Naoya Tanaka, Minoru Kitayama