Patents Assigned to Edouard Dubied & Cie SA
  • Patent number: 4252384
    Abstract: A cycle crank gear assembly includes a weather sealed, preadjusted cartridge which is replaceably installed in a crank gear box in a cycle frame. A clamping or wedging device secures the cartridge in the crank gear box.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: February 24, 1981
    Assignee: Edouard Dubied & Cie SA
    Inventors: Michel Duvoisin, Charles Berthoud