PORTABLE APPARATUS FOR GENERATING ELECTRICAL ENERGY
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United States of America Patent
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Feb 16, 2017
app pub date -
Apr 28, 2015
filing date -
Apr 28, 2014
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Abstract
A portable apparatus for generating electrical energy is provided comprising: an electrical energy-generating device for generating electricity in response to input mechanical action; a gravity powered drive for supplying the said mechanical action to the electricity-generating device by the descent of a suspended mass under the force of gravity; and a re-energising mechanism adapted to cause the gravity powered drive to operate whilst the mass is being raised.
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