Abstract: A control unit for use on a vertical blind assembly of the type designed to movably support individual vertically oriented vanes from a horizontally oriented track structure; the control unit being structured and disposed to controllably rotate a pinion rod extending along a length of the track structure for driving engagement with, and synchronized angular adjustment of the vanes. The control unit includes a control housing and is adapted to rotatably support the pinion rod within the track structure. The drive gear assembly within the control housing is drivingly connected to one end of the pinion rod and includes a sprocket gear movably driven by a pull chain selectively in either of two opposite directions. The drive gear assembly is structured to achieve a reduction in rotation between the sprocket gear and pinion rod, thereby providing for increased controlled adjustment of the angular orientation of the vanes.

Abstract: To be used in a vertical blind assembly, a carrier assembly including a plurality of carrier members, each member having a carrier frame with an axial bore extending therethrough, a transverse gear track tangentially disposed beneath the axial bore and a generally C-shaped attachment member perpendicularly disposed along a lower edge of the carrier frame, and a stem member having a vane holder portion and a drive gear rotatably disposed within the generally C-shaped attachment member. The vane holder portion and the drive gear portion being interconnected with one another such that each is independently rotatable and the vane holder portion is further adapted to have a limited range of rotation relative to the drive gear, thereby enabling complete alignment of all vanes.