Wheel for pedal-assisted bikes
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United States of America Patent
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Aug 11, 2015
Grant Date -
Feb 6, 2014
app pub date -
Mar 12, 2012
filing date -
Mar 16, 2011
priority date (Note) -
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Abstract
A wheel for pedal-assisted bikes includes a fixed structure associable with the frame having a driving pedal crank; a circle element rotatably mounted on the structure around a main rotation axis; a propulsion disc rotatably mounted on the structure and connectable to the driving pedal crank; motion transmission elements for transmitting rotary motion from the disc to the circle element, including a speed gear device for changing the motion transmission ratio from the disc to the circle element; and a first detection device suitable for detecting the force transmitted to the circle element from the disc; an electric motor associated with the structure for cooperating with the disc to motorize the circle element; a power supply for electrically supplying the motor; a processing and control unit for controlling the activation of the motor according to the force detected by the first detection device.
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