Planetary gear mechanism for a bicycle
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United States of America Patent
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May 14, 2013
Grant Date -
Jul 21, 2011
app pub date -
Mar 5, 2010
filing date -
Jan 20, 2010
priority date (Note) -
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Abstract
A planetary gear mechanism for a bicycle, and more particularly to a planetary gear mechanism comprising a first planetary mechanism connected coaxially in series to a second planetary mechanism, which second planetary mechanism is connected coaxially in series to a third planetary mechanism, the second planetary mechanism output is a step up in speed from the first planetary mechanism output, the third planetary mechanism output is a step up in speed from the second planetary mechanism output.
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