WINDOW BLIND WITH CARRIAGE
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Feb 11, 2015
filing date -
Feb 27, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A window blind with carriage has a carriage provided in a headrail, wherein the carriage is movable along the headrail to bring at least one cord, and to move a bottom rail up and down relative to the headrail between an expanding position and a collapsing position. A retarding unit is further provided in the headrail, wherein the retarding unit provides a retarding force to the carriage to stop the carriage when the bottom rail arrives at the expanding position, which ensures that the bottom rail stops at a predetermined position without rebounding when the window blind is fully expanded.
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