Patents Assigned to K.K. Piem Riken
  • Piezoelectric igniter, especially for a cigarette lighter or the like
    Patent number: 4608508
    Abstract: To facilitate assembly of a piezoelectric igniter the hammer is formed in one piece with diametrically opposite lugs and the interfitting parts of the spring-receiving sleeve and the casing containing the piezoelectric crystal activated by the hammer are of noncircular cross section with a major transverse dimension greater than the free end spacing of the lugs which is, in turn, greater than the inner window separation of the sleeve.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: August 26, 1986
    Assignees: Intermatch S.A., K.K. Piem Riken
    Inventor: Taiji Ohnishi