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