Patents Represented by Attorney, Agent or Law Firm Antonelli, Tery, Stout & Kraus, LLP
  • Passenger conveyor system
    Patent number: 6234295
    Abstract: A passenger transportation conveyor apparatus features a minimized space for installation thereof by reducing the height of the machine room for accommodating the support frame structure, a smooth transition of step boards between the forward and the return routes or vice versa enabled by a unique arrangement of the plurality of step boards connected endlessly and transfer mechanisms for allowing a circular travel with an upper surface of each step board constantly facing upward.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: May 22, 2001
    Assignees: Nippon Fillestar Co., Hitachi, Ltd., Hitachi Building Systems Co.
    Inventor: Yutaka Ogawa