Patents Examined by Elvin Emad
  • Patent number: 6605792
    Abstract: The desired low-priced and small-sized switch is configured so that a moving contact is provided with first and second contacts, the first contact is made of noble metal, a pair of fixed terminals are respectively provided with a fixed contact, the first and second contacts are touched to each of the fixed contacts by pressure on the moving contact by a first coil spring and the first contact of the moving contact is separated from the fixed contact earlier than the second contact by moving an operating shaft downward in an axial direction against the pressure of the first coil spring.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: August 12, 2003
    Assignee: Alps Electric Co., Ltd.
    Inventor: Yukihiko Sato