A pin retracting mechanism, such as illustrated by a spring loaded cable, see at 94 in FIGS 3 and 4, extends through a central opening 96 in {HEAD ~ the outer packaging member} 22 and anchors to {TAIL ~ a generally central location}, at 98 in FIG 1, of the inner displaceable member 28 
A pin retracting mechanism , such as illustrated by a spring loaded cable , see at 94 in FIGS 3 and 4 , extends through a central opening 96 in { HEAD ~ the outer packaging member } 22 and anchors to { TAIL ~ a generally central location } , at 98 in FIG 1 , of the inner displaceable member 28
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