Patents by Inventor Kunio Katou

Kunio Katou 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).

  • Elevator maintenance/operation apparatus
    Patent number: 6405834
    Abstract: In a maintenance driving control apparatus of an elevator, switches and other components operated at the time of maintenance are separated from a control panel and combined in a driving operation panel. A maintenance operation panel having this driving operation panel and at least one of a brake release device for remote operation, a meter for indicating a voltage of a speed generator, and car position confirmation unit utilizing movement of a rope or some other member is provided in the vicinity of an elevator hall. The maintenance driving control apparatus enables maintenance operations without directly operating the control panel or a hoisting machine.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: June 18, 2002
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Akihiro Chida, Junichiro Ishikawa, Shigeki Yamakawa, Hiroshi Ando, Kunio Katou
  • Brake apparatus for an elevator hoisting machine
    Patent number: 5873434
    Abstract: In a brake apparatus for a hoisting machine of an elevator, a field magnet and an armature of an electromagnetic actuator are mounted directly to brake arms supporting brake shoes. Therefore, members for transmitting the motion of an electromagnetic actuator into the motion of the brake arms can be omitted, whereby the number of parts and the overall size of the hoisting machine can be reduced, and maintenance operations can be performed easily at lower positions.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: February 23, 1999
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazuhiko Sugita, Kunio Katou