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