This limit switch 26 triggers holding down means 6, 6 which lift the holding down bars 7, 7 off from {TAIL ~ the covering surface} of {HEAD ~ the carriage} 
This limit switch 26 triggers holding down means 6 , 6 which lift the holding down bars 7 , 7 off from { TAIL ~ the covering surface } of { HEAD ~ the carriage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD