Frame-Integrated Window Locking for Airtight Secure Closure

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Solution Overview

Problem

Existing opening and closing security mechanisms for windows and balconies are inefficient in ensuring optimal closure, leading to gaps, moisture ingress, and increased structural dimensions, making maintenance difficult and reducing energy efficiency.

Innovation Solution

The security mechanism is relocated from the movable panel to the fixed frame, integrated within the wall, with a locking box and strike plates, ensuring a minimal visible profile and improved airtightness, while incorporating anti-intrusion features.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the security mechanism is integrated into the movable panel, then the closure function is provided, but the structural dimensions increase and maintenance becomes difficult

Engineering Contradiction:

Improveclosure functionVSAvoidstructural dimensions

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the security mechanism from the movable panel and relocates it to the fixed frame. The locking box, strike plates, and associated components are now integrated into the fixed frame structure, separating the security function from the movable panel and reducing overall structural complexity while maintaining closure reliability

Inventive Principle:

Principle #2Taking out (Extraction)

2Reliability

If the security mechanism is integrated into the movable panel, then the closure function is provided, but gaps and moisture ingress occur

Engineering Contradiction:

Improveclosure functionVSAvoidgaps and moisture ingress

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

By relocating the security mechanism to the fixed frame, the patent eliminates the gaps that would form between the movable panel and frame when the mechanism is integrated into the panel. The strike plates on the fixed frame engage with locking points on the movable panel, ensuring tight closure without creating gaps for moisture ingress

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of having the security mechanism on the movable panel engaging with the fixed frame, the patent inverts the arrangement by placing the locking box and strike plates on the fixed frame, with the movable panel having simple locking points. This inversion improves the closure seal by distributing the sealing interface across the fixed frame structure

Inventive Principle:

Principle #13The other way round (Inversion)

3Object-affected harmful factors

If the security mechanism is relocated to the fixed frame, then airtightness is improved, but the device complexity increases

Engineering Contradiction:

ImproveairtightnessVSAvoidmechanism integration

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent merges the security mechanism with the fixed frame structure, integrating the locking box, strike plates, and actuation components into the existing fixed frame. This consolidation improves airtightness by eliminating gaps while avoiding the need for separate complex assemblies, as the security mechanism becomes part of the fixed frame's inherent structure

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The fixed frame is designed to serve multiple functions: it provides structural support, houses the security mechanism, and ensures airtight closure. The locking box and strike plates are integrated into the fixed frame in a way that allows the same structure to perform both structural and security functions, reducing overall device complexity while improving airtightness

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Reliability

If the security mechanism is relocated to the fixed frame, then security is enhanced, but manufacturing complexity increases

Engineering Contradiction:

ImprovesecurityVSAvoidmanufacturing complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent segments the security mechanism into modular components (locking box, strike plates, actuator) that are integrated into the fixed frame. This segmentation allows each component to be manufactured separately and then assembled, simplifying the manufacturing process while maintaining enhanced security functionality. The fixed frame serves as the integration platform, reducing overall manufacturing complexity

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20260002393A1Opening and closing security mechanism

Publication Date: 2026.01.01 BBG SA

AI summary

The present invention concerns an opening and closing security mechanism that promotes the disruption of the concept of the opening and closing security mechanism being located in the movable panel (1), hence it deletes the same from this feature and places it in the frame (3), this frame (3) being comprise of the fixed frame (4), together with a locking box (5) embedded in the wall of the building (10). This change in the location of the opening and closing security mechanism, as well as the locking/unlocking mechanism, from the movable panel (1) to the frame (3) and consequently to the fixed frame (4) allows the movable frame (2) to have very reduced dimensions compared to the state of the art. Additionally, the present invention presents a box (5) embedded inside the wall of the building (10) that will receive this fixed frame (4), allowing the same reading throughout its perimeter, not taking up space in the mobile part—movable panel (1).