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