Patents Assigned to Trans-Chattin, Inc.
  • Automatic transmission for a multi-speed bicycle
    Patent number: 5445567
    Abstract: A derailer for derailing a drive chain from one sprocket to an adjacent sprocket of a multi-stage sprocket assembly wherein operation of the derailer thereof is automatically controlled by centrifugal force so that the driving chain is automatically shifted to higher gears as the speed of the bicycle increases.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: August 29, 1995
    Assignee: Trans-Chattin, Inc.
    Inventor: Jessie R. Chattin
  • Automatic transmission for multi-speed bicycle
    Patent number: 5163881
    Abstract: A derailer for derailing a drive chain from one sprocket to an adjacent sprocket of a multi-stage sprocket assembly wherein operation of the derailer thereof is automatically controlled by centrifugal force so that the driving chain is automatically shifted to higher gears as the speed of the bicycle increases.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: November 17, 1992
    Assignee: Trans-Chattin, Inc.
    Inventor: Jessie R. Chattin