Patents Assigned to Phoebe S. A.
  • Patent number: 4006526
    Abstract: The central element of the tumbler is hollowed to receive a hollow spring element and a piston whose ends are similar and symmetrical. One of the ends of the piston cooperates with the spring element and the other end cooperates with a contact forming element. The piston is bored with an axial groove.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: February 8, 1977
    Assignee: Phoebe S. A.
    Inventor: Jacques Marie Vidalin