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 {HEAD ~ the length} of {TAIL ~ the workpiece} to be carried by the vacuum chuck 
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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 { HEAD ~ the length } of { TAIL ~ the workpiece } to be carried by 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 HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH