Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2007-12-06
2009-10-13
Winner, Tony H. (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C474S069000, C474S073000, C482S057000
Reexamination Certificate
active
07600771
ABSTRACT:
Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating crank coupled to a crank pivot. A lever couples to the crank via a lever pivot positioned on the crank. A lever stop cooperates with a lever guide surface to guide a motion of the lever as the lever pivots about the lever pivot. The lever and/or the crank are operably coupled to a drive pulley, idler pulley, and/or compound pulley. In some embodiments, a drive cable operably couples the lever and/or the crank to the drive pulley, idler pulley, and/or the compound pulley. In one embodiment, one or more pulleys couple to the lever's distal ends. In some embodiments, the drivetrain includes a wheel hub adapted to receive torque from the crank via a drive pulley.
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Miller Donald C
Ross Michael C
Catadon Systems LLC
Knobbe Martens Olson & Bear LLP
Winner Tony H.
LandOfFree
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