US Patent 9289058 Adjustable height desk platform

An adjustable height desk platform includes: a platform including a substantially flat work surface and a lower surface opposite to the work surface; a first leg member and a second leg member coupled to the lower surface, the first leg member and the second leg member each movable between a fully raised position and a fully lowered position; a rack and pinion gear system associated with the first leg member and the second leg member; and a latch mechanism associated with the rack and gear system, the latch mechanism adapted to selectively immobilize the rack and pinion gear system to retain the first leg member and the second leg member in the fully raised position or the fully lowered position.