Patents by Inventor Naoki Matsunami

Naoki Matsunami 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).

  • Emergency switch
    Patent number: 4396815
    Abstract: An emergency switch for preventing an accident in a mechanism employing a control cable, comprising a casing having a pair of contacts at opposite inner side surfaces thereof, and an insulator member having a movable contact, the insulator member being slidably and axially moved within the casing in connection with tensile force of inner cables, and when the inner cables become unoperable by trouble, the movable contact being touched to the contacts provided on the inner side surfaces of the casing to detect a trouble or to stop the movement of the mechanism.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: August 2, 1983
    Assignee: Nippon Cable System Inc.
    Inventors: Tetuo Kobayashi, Naoki Matsunami