Browdy and Neimark
Venetian blind lifting mechanism provided with concealed pull cords
 A Venetian blind lifting mechanism is composed of a slat set, a winding member, a slat winding cord, and a locating member. The slat set has a plurality of slats. The winding member has at least one cord pulling member and at least one spring releasing unit which is linked with the cord pulling member. The cord pulling member has one end which is extended through the slat set, and other end which is fastened with the cord pulling member. The locating member has a retaining member capable of bringing about a retaining force to overcome the rewinding force of the winding member so as to stabilize the cord pulling member. 
Nien Made Enterprises, Co., Ltd. Industrial Technology Research Institute
E
E06B
inventional
Ya-Wei Ray-Ten Wei-Cheng Chen-Chin
Hsu Chen Wang Cheng