A three-axis coordinate inspection machine. A pair of parallel Z axis rails are mounted atop a bearing plate having an upwardly facing horizontal bearing surface. A single X axis rail has opposite ends slidably and bearingly mounted to the Z axis rail. The X axis rail extends through a carrier which...http://www.google.fr/patents/US4305207?utm_source=gb-gplus-shareBrevet US4305207 - Three-axis inspection machine
