Patent ID: 8783740
Filing Date: 2014-07-22
Classification: E05B,E05C,Y10T

Abstract:
1. A security lock, comprising: first and second components, the first component configured to be affixed to a side of a door, the second component configured to be affixed to a door jam, such that first and second components mate to releasably lock the door in position relative to the door jam, wherein; the first component has a first base flange, and a first extension flange, the first extension flange extending substantially perpendicular and projecting outwardly from the first base flange; the second component has a second base flange, and a second extension flange, the second extension flange extending hingedly from the second base flange; a guide slot is provided in the second extension flange to receive an upper opposing holder disposed on the first extension flange in a closed position of the door; a lower opposing holder is disposed on the first extension flange to slidably receive the bottom of the second extension flange thereon; and apparatus for locking the first and second extension flanges in place relative to one another thereby permitting a door to be locked in at least two partially opened positions relative to a corresponding door jam.