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公开(公告)号：EP2747604A1
公开(公告)日：2014-07-02
申请号：EP12828031.0
申请日：2012-08-27
申请人： Hunter Douglas Inc.
发明人： SMITH, Stephen P. , SMITH, Kent A. , RHODES, Galen B. , WINTERS, Stephen M. , FALLER, Kenneth M.
IPC分类号： A47H5/06
CPC分类号： E06B9/322 , E06B9/24 , E06B9/262 , E06B9/264 , E06B9/38 , E06B9/40 , E06B9/56 , E06B9/60 , E06B9/80 , E06B2009/2435 , E06B2009/2627 , E06B2009/3222
摘要： A cordless retractable shade including an operating system for the shade that varies a biasing force of a spring to counterbalance the shade. The bottom rail of a retractable shade can be raised or lowered, and due to the operating system remains in any selected position of the covering between fully extended and fully retracted, without the use of operating cords. The system includes a method of negating and reversing the spring bias effect at a strategic position whereby the flexible vanes of the shade can be adjusted between open and closed.
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公开(公告)号：EP3333352A1
公开(公告)日：2018-06-13
申请号：EP18151270.8
申请日：2014-06-12
申请人： Hunter Douglas Inc.
摘要： A covering for an architectural covering is provided. The covering may include a rotatable outer roller, a rotatable inner roller, a first shade secured to the outer roller, and a second shade secured to the inner roller. The outer roller may define an elongated slot extending along a length of the outer roller and opening to an interior of the outer roller. The inner roller may be received within the outer roller and may define a central longitudinal axis. The first shade may be retractable onto and extendable from the outer roller. The second shade may extend through the elongated slot and may be retractable onto and extendable from the inner roller. The elongated slot may be substantially horizontally aligned with the central longitudinal axis of the inner roller when the first shade is in a fully extended position.
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