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Electric generator for bicycles

  • US 5,895,991 A
  • Filed: 05/15/1998
  • Issued: 04/20/1999
  • Est. Priority Date: 05/15/1997
  • Status: Expired due to Fees
First Claim
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1. An electric generator assembly for supplying power to electrical devices on a bicycle, the bicycle having a frame and a wheel, the wheel having a hub axis, the generator assembly comprising:

  • a gearwheel fixedly securable to the bicycle wheel along the hub axis of the bicycle wheel;

    a rotor disposed at a distance from the hub axis of the bicycle wheel;

    gear means for transmitting power between the rotor and the wheel so that the rotor is rotatable at a speed faster than that of the wheel, the gear means including an input pinion configured to mesh with the gearwheel; and

    a gearbox for housing the gear means, the gearbox including means for pivotably connecting the gearbox to the rotor such that the input pinion is selectively engaged with and disengaged from the gearwheel by pivoting the gearbox relative to the rotor.

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