The rotational drive force of the second shaft in {TAIL ~ the opposite direction} is transmitted to {HEAD ~ the drive shaft} via a second one way clutch unit and a second power transmitting mechanism 
The rotational drive force of the second shaft in { TAIL ~ the opposite direction } is transmitted to { HEAD ~ the drive shaft } via a second one way clutch unit and a second power transmitting mechanism
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH