{HEAD ~ The worm gear} has a central hub to which is connected a second housing and which in turn has {TAIL ~ a driven worm} in drive relation with a worm gear mounted therein 
{ HEAD ~ The worm gear } has a central hub to which is connected a second housing and which in turn has { TAIL ~ a driven worm } in drive relation with a worm gear mounted therein
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH