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Residual battery capacity display device for electric vehicle

  • US 5,798,702 A
  • Filed: 09/13/1996
  • Issued: 08/25/1998
  • Est. Priority Date: 04/18/1996
  • Status: Expired due to Fees
First Claim
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1. A bicycle having an electric motor which provides auxiliary power for driving the bicycle in conjunction with a pedal effort provided by an operator, the bicycle comprising:

  • a frame having a head pipe communicating with a front wheel of the bicycle, a seat pipe communicating with a saddle, a main pipe communicating with the head pipe and the seat pipe, and seat and chain stays communicating with a rear wheel of the bicycle from the seat and main pipes;

    an auxiliary drive unit including an electric motor disposed forward of the chain stay for generating auxiliary power, the auxiliary drive unit also including a crankshaft having cranks provided with foot pedals disposed on opposite sides of the frame;

    a battery unit extending downwardly along the main pipe in a longitudinal direction thereof, and a frame cover secured to the main pipe and having a recess for receiving the battery unit therein, the frame cover also covering the auxiliary drive unit; and

    a residual battery capacity meter for indicating residual capacity of the battery unit, the residual battery capacity meter being centrally mounted on the frame cover at a highest position thereof between the head pipe and the recess.

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