Concealed safety lock
作者： Steven J. Slaughter
DOI:
关键词:
摘要: A device for selectively locking a door in closed position against frame member having body with substantially planar mounting surface engaging the face of and throughbore parallel to surface. mechanism included coupling door. magnetic bolt is disposed within slidable movement between retracted an extended wherein portion extends outwardly from when position. retainer limiting travel positions. striker mounted so as secure
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