Cord-driven rotator for driving roller of window blind
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United States of America Patent
Stats
-
Mar 27, 2007
Grant Date -
Nov 10, 2005
app pub date -
Jul 29, 2004
filing date -
May 7, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotator, which is driven by an endless cord member to rotate, is used in a window blind for driving a roller of the window blind. The rotator includes a base having a shaft, a first clamping plate and a second clamping plate rotatably serially mounted on the shaft of the base for clamping the cord member therebetween, and an elastic biasing device provided between the base and one of the first and second clamping plates for urging the first and second clamping plates against each other.
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