cam slots in {HEAD ~ each} of said {TAIL ~ cam surfaces} disposed adjacent said second end of said tilt brackets 
cam slots in { HEAD ~ each } of said { TAIL ~ cam surfaces } disposed adjacent said second end of said tilt brackets
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH