The pins are anchored to an inner support member capable of being displaceable within the housing in order to retract the pins from {HEAD ~ the bar apertures} to permit {TAIL ~ adjustment} of the bar defining a range of seatback motion between upright design and rear recline positions 
to permit
The pins are anchored to an inner support member capable of being displaceable within the housing in order to retract the pins from { HEAD ~ the bar apertures } to permit { TAIL ~ adjustment } of the bar defining a range of seatback motion between upright design and rear recline positions
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH