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