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