Guide member 30 is more clearly illustrated in engagement of {HEAD ~ the side wall} 32 of {TAIL ~ the base member} 23, which relationship maintains the parallel sliding function of the slotted member 23 
of
Guide member 30 is more clearly illustrated in engagement of { HEAD ~ the side wall } 32 of { TAIL ~ the base member } 23 , which relationship maintains the parallel sliding function of the slotted member 23
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH