Patents by Inventor Masato INATSU

Masato INATSU 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).

  • Guide mechanism of machine tool and machine tool
    Patent number: 9845828
    Abstract: A guide mechanism for a machine tool includes a movement member and a guide member in a form of first and second rails the movement member and the guide member relatively movable to each other. A hydrostatic pressure guide mechanism and a sliding guide mechanism are formed between the movement member and the first and second rails. The hydrostatic pressure guide mechanism includes a static pressure chamber, a seal portion sealing a periphery of the static pressure chamber, and a supply passage configured to supply a lubricating oil into the static pressure chamber.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: December 19, 2017
    Assignee: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: Atsushi Tada, Makoto Sagara, Teruaki Tsukiji, Takao Arai, Kazuhiro Takeuchi, Shun Tsunoda, Masato Inatsu, Yusuke Ishii, Yuya Tanaka
  • GUIDE MECHANISM OF MACHINE TOOL AND MACHINE TOOL
    Publication number: 20160115993
    Abstract: A guide mechanism for a machine tool includes a movement member and a guide member in a form of first and second rails the movement member and the guide member relatively movable to each other. A hydrostatic pressure guide mechanism and a sliding guide mechanism are formed between the movement member and the first and second rails. The hydrostatic pressure guide mechanism includes a static pressure chamber, a seal portion sealing a periphery of the static pressure chamber, and a supply passage configured to supply a lubricating oil into the static pressure chamber.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 28, 2016
    Inventors: Atsushi TADA, Makoto SAGARA, Teruaki TSUKIJI, Takao ARAI, Kazuhiro TAKEUCHI, Shun TSUNODA, Masato INATSU, Yusuke ISHII, Yuya TANAKA