| 摘要 |
A security device for preventing the opening of a hinged door surrounded by a door frame and a door jamb. The security device includes a jamb mount attachable to the door jamb and having horizontal guide plates which extend outwardly from the door frame. The device also includes a locking mount which has horizontal guide plates for juxtaposed disposition with the jamb mount guide plates and which are provided with extending arm portions engageable with a side of the door upon attempted opening thereof. A vertical pin member of polygonal cross-section is engageable with corresponding polygonal holes in one or both of the jamb mount and locking mount guide plates locking the jamb mount and locking mount together to prevent opening of the door.
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