The cylinder assembly 2 wherein {HEAD ~ said relief means} comprises a recess formed in {TAIL ~ said other side wall} adjacent said first tumbler spring seat 
The cylinder assembly 2 wherein { HEAD ~ said relief means } comprises a recess formed in { TAIL ~ said other side wall } adjacent said first tumbler spring seat
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH