Safety device and door assembly
The safety device with a bullet-resistant cover plate and locking mechanism addresses the vulnerability of door locks by enhancing security and ballistic resistance, offering a cost-effective solution for existing doors.
EP4715157A1Pending Publication Date: 2026-03-25JASICEK ERICH
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2026-03-25
AI Technical Summary
Technical Problem
Existing secured doors are vulnerable at the lock area, which can be easily damaged by gunfire, and retrofitting with bulletproof locks is costly and difficult.
Method used
A safety device comprising a base with a bullet-resistant cover plate and locking mechanism that conceals and protects the door lock area, attachable to the building wall, preventing external attacks and manipulation.
Benefits of technology
Enhances ballistic resistance and security against unauthorized entry by concealing and protecting the door lock area, while being cost-effective and adaptable to existing doors.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure IMGAF001_ABST
Abstract
A security device (1) for a door (6), in particular for an entrance door, comprises a base (2), a bullet-resistant cover plate (5), and a locking device (15). The base (2) has at least one fastening means (13) by which it can be attached to or in a building wall (G) next to a door frame (7) at the level of a door lock (9) of the door (6). The base (2) further comprises at least one pocket (3) into which a corresponding insert (4) of the cover plate (5) is inserted, and / or the cover plate (5) has at least one pocket (3) into which a corresponding insert (4) of the base (2) is inserted, in order to conceal the door (6) in the area of the door lock (9) from the outside by means of the cover plate (5).The locking device (15) is adjustable between a locked state in which the insertion (4) cannot be pulled out of the pocket (3) and a release state in which the insertion (4) can be pulled out of the pocket (3).
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Citation Information
Patent Citations
security window OR door
DE8425752U1
Safety door lock
US3591219A
Method for transforming conventional doors into burglary and optionally bullet resistant security doors, and resulting product
WO2015035486A1