BLOCKING CLOSURE OF A PASSAGEWAY

摘要

A device includes a base attachable to a first side of a door; a swing arm coupled to the base, the swing arm including a bracket flange configured to extend across an edge of the door between the first side of the door and a second side of the door opposite the first side of the door; and a biasing member coupled between the swing arm and the base and configured to urge the swing arm from a retracted position in which the bracket flange is adjacent the edge to an extended position in which the bracket flange is apart from the edge.