Patents Assigned to Alenax Corp.
  • Propulsion mechanism for lever propelled bicycles
    Patent number: 4630839
    Abstract: A bicycle having pivoted lever pedal system (1, 2, 45) and lever arm length or gear ratio (speed) change devices (3, 4, 5, 6). Propulsion forces from the lever pedals (1) are transferred via the lever arm length change device (3) through a flexible interconnecting cable and pulley system (7, 8, 9, 10, 11, 12, 13) to a rear drive hub assembly 14 having a pair of one-way clutches which allow the transfer of forward driving forces and enable the bicycle to be rolled back.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: December 23, 1986
    Assignee: Alenax Corp.
    Inventor: Marn T. Seol