The pivot shaft is moved horizontally by a threaded adjusting screw toward and away from a vacuum chuck in a silk screen printing machine to compensate for changes to the length of {HEAD ~ the workpiece} to be carried by {TAIL ~ the vacuum chuck} 
to be carried by
The pivot shaft is moved horizontally by a threaded adjusting screw toward and away from a vacuum chuck in a silk screen printing machine to compensate for changes to the length of { HEAD ~ the workpiece } to be carried by { TAIL ~ the vacuum chuck }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL