Patents by Inventor Hideharu Nagahama

Hideharu Nagahama 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).

  • Dust tight closed type belt conveyor
    Patent number: 7743914
    Abstract: A dust tight closed type belt conveyor for conveying dust contained materials to be scattered out during operation; which comprises the conveyor belt supported in a form of concave by a plurality of rollers and a plurality of glide plates and also the bulged cover roof closing the upside space over the conveyor belt, so that all make a dust tight and closed conveying space extending in the driving direction. Further, the belt conveyor is preferably provided with a system for avoiding the belt meandering motion causing a harder dust scattering.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: June 29, 2010
    Assignee: Yoko Inc.
    Inventors: Hideharu Nagahama, Shogo Nagahama, Akira Nagahama, Masakazu Tsukamoto, Koji Fujioka
  • DUST TIGHT CLOSED TYPE BELT CONVEYOR
    Publication number: 20100006403
    Abstract: A dust tight closed type belt conveyor for conveying dust contained materials to be scattered out during operation; which comprises the conveyor belt supported in a form of concave by a plurality of rollers and a plurality of glide plates and also the bulged cover roof closing the upside space over the conveyor belt, so that all make a dust tight and closed conveying space extending in the driving direction. Further, the belt conveyor is preferably provided with a system for avoiding the belt meandering motion causing a harder dust scattering.
    Type: Application
    Filed: July 11, 2008
    Publication date: January 14, 2010
    Inventors: Hideharu Nagahama, Shogo Nagahama, Akira Nagahama, Masakazu Tsukamoto, Koji Fujioka