Window treatment operating apparatus with cycloidal drive
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United States of America Patent
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May 19, 2015
Grant Date -
Sep 19, 2013
app pub date -
Jan 23, 2013
filing date -
Jan 24, 2012
priority date (Note) -
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Abstract
An apparatus for selectively activating a window treatment includes an input member, such as a pulley activated by a bead chain, an output member such as a sleeve activating a mandrel, a stationary guard for mounting the window treatment and a rotor. The rotor, pulley, and stationary base are coupled to form a cycloid drive, wherein rotation of the pulley causes the rotor to precess with respect to the pulley.
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