It is also within the scope of the invention to use the vertical motion guidance system 34 for connecting any type of frame to any machine, such as a robot or forklift truck. [0035] The carriage 36 of the vertical motion guidance system 34, as shown in FIGS. 5 and 6, include a substantially square-shaped, support tube 60 with a first set of bearings 62 including bearings 62 a, 62 b, 62 c and 62 d,