FIELD: construction engineering. SUBSTANCE: device prevents breaking-in by pressing off a door which opens inside. For this purpose, door casing and door have cover members which are interacting. Door casing cover member is made as straightline or U-shaped strip with through-slot in its wall at door opening side. This strip is installed with forming a locking slot in door casing and is fixed by pintles fastened in wall. Cover member mounted on door panel is made as a strip with L-shaped locking protrusion for locking slot. Made in both cover members are through-slots for lock latch. EFFECT: higher efficiency. 2 cl, 9 dwg
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Authors
Dates
1997-03-20—Published
1993-04-05—Filed