An upper and lower housing interconnected by a flexible bellows are pivotally connected to one another for {HEAD ~ movement} between {TAIL ~ a folded inoperative position} and an erected operable position 
An upper and lower housing interconnected by a flexible bellows are pivotally connected to one another for { HEAD ~ movement } between { TAIL ~ a folded inoperative position } and an erected operable position
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH