Patents by Inventor Kiyotaka Deguchi

Kiyotaka Deguchi 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).

  • Self-propelled stairs moving unit
    Patent number: 6237705
    Abstract: The self-propelled stairs moving unit A1 moves on stairs, putting a manual wheelchair K on the pallet 7, by driving the front crawler traveling units 1a, 1b and the rear crawler traveling units 2a, 2b wherein right and left are unitedly connected with each other. When the stairs moving unit A1 is started to go up to the stairs from the flat face of lower hand, the front crawler traveling unit 1a relatively gently goes up. Then, the angle between the pallet 7 to be held to be level with the connecting shaft 6 which is rotation center of the traveling unit 1a as its center of oscillation and the line connecting both connecting portions of the support frames 5a connecting the front and rear crawler traveling units 1a, 2a (that is, the self-propelled portion) is slowly changed.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: May 29, 2001
    Assignee: Daido-Kogyo Kabushiki Kaisha
    Inventors: Masato Nakatani, Shinichi Mita, Toshihide Araya, Yoshihiro Kitamura, Kiyotaka Deguchi, Toshiyuki Takai, Tadashi Takabatake, Hitomi Hibino