{TAIL ~ a rotatable power transfer shaft} positioned in the center of {HEAD ~ said ring}, said shaft extending through at least one of said top plate or bottom plate 
{ TAIL ~ a rotatable power transfer shaft } positioned in the center of { HEAD ~ said ring } , said shaft extending through at least one of said top plate or bottom plate
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH