Motorized carriage for a curtain and concealment facility comprising such a carriage
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United States of America Patent
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Aug 11, 2015
Grant Date -
Jun 27, 2013
app pub date -
Jul 6, 2011
filing date -
Jul 6, 2010
priority date (Note) -
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Abstract
A motorized carriage for opening/closing a screen moves along a rail by means of a friction wheel that is rotated by a motor and is in contact with at least one running surface of the rail. The contact force between the friction wheel and the running surface can be regulated by a presser means that enables the contact force to be varied according to a resistive force that depends on the load pulled or pushed by the carriage as it moves.
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