Patent ID: 7628371
Filing Date: 2009-12-08
Classification: F16M,Y10S

Abstract:
1. An adjustable stand for displays, comprising: a main support defining two mounting holes; a movable rack slidably mounted on the main support, the movable rack defining two latching holes; an adjusting system including at least one pinion gear rotatably attached on the movable rack and at least one rack gear fixed to the main support, the at least one pinion gear being meshed with the at least one rack gear; and a balance mechanism mounted between the main support and the movable rack for balancing gravity of the movable rack and components fixed relative to the movable rack, the balance mechanism comprising two pulley systems, a cable, and a fixing module; each pulley system comprising a wheel; the fixing module comprising a coil spring and a shaft, the shaft extended through a mounting hole of the main support, the inner end of the coil spring fixed to the main support, an outer end of the coil spring defining two through holes; wherein the cable is latched to one of the latching holes of the movable rack, looped around the wheel of one of the pulley systems, looped through the coil spring, looped around another one of the pulley systems and latched to another of the latching holes correspondingly.