Birch, Stewart, Kolasch & Birch, LLP
Rolling mechanism for window blind
A rolling mechanism includes a base frame fastened to a top side of a window and having a coupling flange, a roller rotatably mounted below the base frame for stationary rotation and having a locating groove on its periphery, and at least one constraint member having a coupling portion pivotally coupled to the coupling flange of the base frame and a constraint portion extending from the coupling portion for engaging the locating groove of the roller and further limiting the rotary direction of the roller to one direction only.
Nien Made Enterprise Co., Ltd.
E E E
E06B E06B E06B
inventional additional inventional
Yuche Chih-Yao Ming
Wen Chang Nien