whereby {HEAD ~ the said endless linear means} extends continuously between {TAIL ~ all the second rotatable means} and said first rotatable means, 
whereby { HEAD ~ the said endless linear means } extends continuously between { TAIL ~ all the second rotatable means } and said first rotatable means ,
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH