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