The side walls 47, 38 and {HEAD ~ back wall} 39 of the first pivot mount 40 can be formed by bending a piece of metal to form {TAIL ~ these components} 
The side walls 47 , 38 and { HEAD ~ back wall } 39 of the first pivot mount 40 can be formed by bending a piece of metal to form { TAIL ~ these components }
OTH OTH 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 OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL