Patents Assigned to Iwasaki Engineering Co., Ltd.
  • Electronic locking device
    Patent number: 4426862
    Abstract: This invention relates an electronic locking device that may be operated manually and by key input, selectively, depending upon the various circumstances. In the locking condition, a hole is provided on an unlocking member and a hole is provided in a retaining mechanism, and the holes are aligned to allow the insertion of a moving piece into the both holes; and at unlocking, both of the holes are misaligned to prevent the insertion of the moving piece into either of the two holes.
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: January 24, 1984
    Assignee: Iwasaki Engineering Co., Ltd.
    Inventors: Noboru Yamada, Kenji Iio, Kazuyuki Shiiba