In use, the rod and slideably mounted members forming the retainer are received in a recess defined by {TAIL ~ first and second sidewalls} of the chassis used to hold {HEAD ~ the circuit board} 
In use , the rod and slideably mounted members forming the retainer are received in a recess defined by { TAIL ~ first and second sidewalls } of the chassis used to hold { HEAD ~ the circuit board }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD