A reverse drive gear 22a is formed on the input shaft 8 and a driven gear 22b is formed on one side of {HEAD ~ a sleeve} of {TAIL ~ the synchronizing device} 21 
of
A reverse drive gear 22a is formed on the input shaft 8 and a driven gear 22b is formed on one side of { HEAD ~ a sleeve } of { TAIL ~ the synchronizing device } 21
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH