US Patent 11118729 Adjustable counterbalancing display support

An apparatus for supporting a display in a plurality of positions between a lower position and an upper position has a base support, a display support member, and a linkage assembly. The linkage assembly has a first link member, a second link member, and a tension spring. In the lower position, the display bracket is below an upper end of the base support, and in the upper position, the display bracket is above the upper end of the base support. In each of the plurality of positions, a vertical component of an upward force exerted on the display support member by the linkage assembly is substantially constant.