FIGS 1 and 2 are views for explaining how the crowning curve of the tooth surface of {HEAD ~ the outer tooth gear} of {TAIL ~ the pinion} of the flexible coupling is determined 
of
FIGS 1 and 2 are views for explaining how the crowning curve of the tooth surface of { HEAD ~ the outer tooth gear } of { TAIL ~ the pinion } of the flexible coupling is determined
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH