The first set of peripheral teeth and the second set of peripheral teeth are each at {HEAD ~ a common radius} from {TAIL ~ the common pivot} point on opposite sides of the transfer gear 
The first set of peripheral teeth and the second set of peripheral teeth are each at { HEAD ~ a common radius } from { TAIL ~ the common pivot } point on opposite sides of the transfer gear
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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