Anti-intrusion system for locksmith shop, has additional piece added in slide, projections pressed against door leaf, and card or plastic lamina acting on slide and arranged in space for opening of door

摘要

The system has a piece that obturates a space between frames of a door in an inner face. An additional piece is added in a slide. Projections are pressed against a door leaf. A card or plastic lamina acting on the slide is arranged in the space for opening of the door.