Patents by Inventor Masao Fukumori

Masao Fukumori 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).

  • Machine tool
    Patent number: 9643256
    Abstract: A machine tool includes a spindle equipped with a workpiece gripping portion arranged so as to face an operator side, the spindle being configured to rotatably drive a workpiece gripped by the workpiece gripping portion, and a tool mount equipped with a rotary member supporting a plurality of tools in a rotatably indexable manner about an axis parallel to an axis of the spindle. The tool mount is arranged at a tool mount installation portion formed to be positioned on the operator side in a manner such that the rotary member faces a workpiece gripping portion side.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: May 9, 2017
    Assignee: DMG MORI SEIKI CO., LTD.
    Inventors: Takayuki Akai, Yoshihiro Matsumoto, Masashi Yakoyama, Toshiaki Tanaka, Masao Fukumori
  • MACHINE TOOL
    Publication number: 20150273587
    Abstract: A machine tool includes a spindle equipped with a workpiece gripping portion arranged so as to face an operator side, the spindle being configured to rotatably drive a workpiece gripped by the workpiece gripping portion, and a tool mount equipped with a rotary member supporting a plurality of tools in a rotatably indexable manner about an axis parallel to an axis of the spindle. The tool mount is arranged at a tool mount installation portion formed to be positioned on the operator side in a manner such that the rotary member faces a workpiece gripping portion side.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 1, 2015
    Applicant: DMG MORI SEIKI CO., LTD.
    Inventors: Takayuki AKAI, Yoshihiro MATSUMOTO, Masashi YOKOYAMA, Toshiaki TANAKA, Masao FUKUMORI
  • Tool post of machine tool with elastically deforming tool holder locating device
    Patent number: 8448549
    Abstract: The present invention provides a tool post of a machine tool capable of enhancing the accuracy of positioning a tool. A positioning key 20 is fixed to an attached surface 10c formed on a tool holder 10, and a positioning block 21 fitting to the positioning key 20 is fixed to a holder attaching surface 11c formed on an outer peripheral surface 11a of a turret 11, in which the positioning key 20 is elastically deformed when it is fitted to the positioning block 21, and thereby brought into close contact with the positioning block 21.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: May 28, 2013
    Assignee: Mori Seiki Co., Ltd.
    Inventors: Toshio Ueda, Masao Fukumori
  • TOOL POST OF MACHINE TOOL
    Publication number: 20100251862
    Abstract: The present invention provides a tool post of a machine tool capable of enhancing the accuracy of positioning a tool. A positioning key 20 is fixed to an attached surface 10c formed on a tool holder 10, and a positioning block 21 fitting to the positioning key 20 is fixed to a holder attaching surface 11c formed on an outer peripheral surface 11a of a turret 11, in which the positioning key 20 is elastically deformed when it is fitted to the positioning block 21, and thereby brought into close contact with the positioning block 21.
    Type: Application
    Filed: March 19, 2010
    Publication date: October 7, 2010
    Inventors: Toshio Ueda, Masao Fukumori