Patents Assigned to Mikado Precision Industries Ltd.
  • Patent number: 4207443
    Abstract: An assemblage of hand-operated switches includes a plurality of printed fixed contact sets on an insulating base. A spacer sheet overlying the insulating base has openings therein in register with the fixed contact sets. Further overlying the spacer sheet is a plastic film having printed movable contacts formed thereon in register with the spacer sheet openings. Each switch is equipped with a key or button, upon depression of which the corresponding movable contact is moved into engagement with the corresponding fixed contact set through the corresponding spacer sheet opening. The plastic film together with the printed movable contacts thereon can be replaced by a single piece of resilient sheet metal.
    Type: Grant
    Filed: August 9, 1978
    Date of Patent: June 10, 1980
    Assignee: Mikado Precision Industries Ltd.
    Inventor: Yasuo Matsuura