Motorized transportation device
A wheel assembly comprises a wheel, a transmission assembly mounted on the wheel, and a motor coupled to the wheel through the transmission assembly. The motor includes an axle extending in a radial direction of the wheel. The transmission assembly transmits a rotational motion of the axle to a rotational motion of the wheel.
ACTON, INC.
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Hang Peter Jason Janelle Wang
Zheng Treadway Hill Treadway