The rollers 27 are of conventional design comprised of a ball 63 mounted in a base 65 which includes {TAIL ~ a mounting flange} 67 through which {HEAD ~ cap screws} 61 are journeyed to be secured in the respective channel member 
through are journeyed
The rollers 27 are of conventional design comprised of a ball 63 mounted in a base 65 which includes { TAIL ~ a mounting flange } 67 through which { HEAD ~ cap screws } 61 are journeyed to be secured in the respective channel member
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 REL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH