In the embodiment shown, {HEAD ~ each turn} assist cylinder 30 also includes a second rod 40 extending from {TAIL ~ piston} 36 through housing 32 
In the embodiment shown , { HEAD ~ each turn } assist cylinder 30 also includes a second rod 40 extending from { TAIL ~ piston } 36 through housing 32
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH