Patents Assigned to Nihon Gijutsu Kaihatsu Kabushiki Kaisha
  • Magnet filter
    Patent number: 4773995
    Abstract: An improved magnet filter of the type in which a planar magnet piece (1) is wrapped by a magnetically permeable plate (2) made of magnetic metal, is disclosed. The improvements are that a sheet spring piece (3) in sandwiched between the respective bottom portions of the permanent magnet piece (1) and the magnetically permeable plate (2), and flexed pieces (3a, 3b.sub.1, 3b.sub.2) at the opposite ends of the sheet spring piece (3) project from the magnet filter so as to extend obliquely upwards on the outside of the magnet filter.
    Type: Grant
    Filed: January 6, 1987
    Date of Patent: September 27, 1988
    Assignee: Nihon Gijutsu Kaihatsu Kabushiki Kaisha
    Inventor: Yuzuru Kondo