said {TAIL ~ ratchet wheel} being secured within said chamber by {HEAD ~ a C shaped clamp} and a cover plate 
said { TAIL ~ ratchet wheel } being secured within said chamber by { HEAD ~ a C shaped clamp } and a cover plate
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH