Z-axis precision positioner
Zero back lash phase adjusting mechanism
Zero backlash drive mechanism
Zero backlash positioning device
Zero backlash positioning system for a movable linear axis
Zero backlash shiftable transmission
Zero dynamic increment gearing
Zero lash joint for a rotating conduit fitting for a remote cont
Zero slip torsional vibration damper
Zero tolerance device
Zero transmission error gearing
Zero turn tractor control system