Patents by Inventor Masahumi Sato

Masahumi Sato 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).

  • Foreign material removing device of track turnout portion
    Patent number: 9873140
    Abstract: There is provided a foreign material removing device of a track turnout portion which can tightly attach and fix nozzles to a rail belly portion stably without machining a rail itself. A foreign material removing device of a track turnout portion which has point rails which can move to contact and move away from stock rails of the track turnout portion, and which removes a foreign material dropped between the stock rail and the point rail, includes a piping unit which includes a plurality of nozzle portions which spray compressed air to remove the foreign material, and the piping unit includes a close-contact arrangement structure in which the piping unit is arranged in close contact with a lateral surface of the stock rail opposed to the point rail.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: January 23, 2018
    Assignees: NABTESCO CORPORATION, EAST JAPAN RAILWAY COMPANY
    Inventors: Masahumi Sato, Shogo Kigami, Yuki Kinugasa
  • FOREIGN MATERIAL REMOVING DEVICE OF TRACK TURNOUT PORTION
    Publication number: 20140345657
    Abstract: There is provided a foreign material removing device of a track turnout portion which can tightly attach and fix nozzles to a rail belly portion stably without machining a rail itself. A foreign material removing device of a track turnout portion which has point rails which can move to contact and move away from stock rails of the track turnout portion, and which removes a foreign material dropped between the stock rail and the point rail, includes a piping unit which includes a plurality of nozzle portions which spray compressed air to remove the foreign material, and the piping unit includes a close-contact arrangement structure in which the piping unit is arranged in close contact with a lateral surface of the stock rail opposed to the point rail.
    Type: Application
    Filed: September 11, 2012
    Publication date: November 27, 2014
    Inventors: Masahumi Sato, Shogo Kigami, Yuki Kinugasa