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REAR WHEEL MOUNTED DRIVE MECHANISM FOR BICYCLES AND REVERSE TRIKES

[Category : - Biking]
[Viewed 1145 times]

This patent discloses compact size chainless drive mechanism for bikes and reverse trikes. Drive mechanism comprises a pair of drive assemblies mounted on the ends of the hub of the wheel. Each drive assembly comprises a special type of planetary gearbox in which plurality of planetary gears and a gear ring are arranged in such a way that gear ring can be rotated via pedal which in turn rotates planetary gears. Hub of the wheel at each end is coaxially connected to a planetary gear of the gearbox via one way ratchet ball bearing. Planetary gear on rotation rotates the wheel. Larger radius of the gear ring than planetary gears accounts for gear ratio. Drive mechanism doesn

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