发明名称 CONTROL SYSTEM FOR CORDLESS BLINDS
摘要 A control system for cordless blinds includes at least one wrapping unit, at least one rod and a transmission cord which is wrapped to the at least one rod. Two cords are wrapped to the at least one rod and extend through the slats and are fixed to the bottom bar connected to the lower end of the slats. Two frames are fixed in the top box and located beneath the at least one rod. The frames each include at least one notch so as to support the at least one rod. One of the two frames includes first and second pulleys and the other frame includes a third pulley. The transmission cord and the two cords are wrapped to the pulleys respectively, such that the transmission cord and the two cords are operated smoothly. The number of the rod and the frames can be added as needed.
申请公布号 US2011247766(A1) 申请公布日期 2011.10.13
申请号 US20100757003 申请日期 2010.04.08
申请人 CHING FENG HOME FASHIONS CO., LTD 发明人 HU WEN-HSING;HSU SHENG YING
分类号 E06B9/322 主分类号 E06B9/322
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