One-way drive for window coverings

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United States of America Patent

PATENT NO 7174941
SERIAL NO

11214493

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An actuation system for use with an adjustable covering for a fenestration product. The actuation system coupled to an operator for controlling adjustment of extension and contraction of the covering. The actuation system including at least one lift mechanism configured to decouple the actuation system from the operator during a potentially damaging event, such as slack in a lift cord during extension of the covering. The lift mechanism later recoupling the actuation system and operator while maintaining rotational registration between multiple lift mechanisms of the actuation system.

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Patent Owner(s)

  • PELLA CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gromotka, Gabriel P Pella, IA 21 369
Schroder, Paul D Pella, IA 22 117

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