POWER GENERATION
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Mar 5, 2007
filing date -
Mar 24, 2006
priority date (Note) -
Abandoned
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Abstract
A method and apparatus is disclosed for generating power in a castor. The apparatus includes a wheel arranged to rotate about a wheel axis when the castor moves over a running surface, a drive belt arranged to be driven by rotation of the wheel and at least one generator unit arranged to be driven by the drive belt to generate power.
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