The first detent is positioned on the strike plate such that when the corresponding spring lever is biased against in the first detent against a back side of the strike plate the corresponding dead bolt or latch bolt cannot be extended into {HEAD ~ engagement} with {TAIL ~ the strike plate} in a locking position 
The first detent is positioned on the strike plate such that when the corresponding spring lever is biased against in the first detent against a back side of the strike plate the corresponding dead bolt or latch bolt can not be extended into { HEAD ~ engagement } with { TAIL ~ the strike plate } in a locking position
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH