The cranks for {HEAD ~ each transmission ring} are at all times in parallel with {TAIL ~ the throw line} of the eccentric encompassed by the transmission ring 
The cranks for { HEAD ~ each transmission ring } are at all times in parallel with { TAIL ~ the throw line } of the eccentric encompassed by the transmission ring
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH