|7288849||Gravitational electric power generating device|
A gravitational electric power generating device includes a driving shaft, at least a spinning wheel, and two mount assemblies, in which each of the spinning wheels includes a first spoke rim, a second spoke rim, a wheel hub, and at least a tread-wheel. The two moun...
|5224568||Power generating apparatus|
An apparatus including a power generator for generating power when rotatably driven; a drive axle for rotatably driving the power generator when rotated; a platform supported by the drive axle for rotating the drive axle when moved; and a vehicle attached...