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Blue crank controls linear motions of pink plates via a scissor mechanism. Orange crank controls their 90 deg. rotation via a parallelogram mechanism. The rotation can be performed at any position of the plates. Each plate has a pin that moves in long groove of green bar. Long brown rod helps the parallelogram mechanism overcome dead positions. It can be used for louver or deployable curtain wall (for indoor light control). Inventor files of this video:
