Sliding Door Window Protector for Visibility and Security

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Solution Overview

Problem

Door windows can be broken or used by intruders to gain access or steal items, posing a security risk in lockdown situations.

Innovation Solution

A door window protector with a mounting frame and a protective panel that can slide between open and closed positions, featuring a locking mechanism to secure the panel in place, enhancing security and privacy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If a door window is made transparent for visibility, then visibility is improved, but security is worsened because intruders can see inside and break the window

Engineering Contradiction:

ImprovevisibilityVSAvoidsecurity risk

Core Design Contradiction:

Illumination intensityVSObject-affected harmful factors

Solution Approach 1:

The protective panel is designed to be movable between open and closed positions, allowing the system to dynamically adapt to different security needs. When closed, it blocks visibility to prevent intruders from seeing inside; when open, it allows visibility while still providing physical protection against breaking

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The protective panel acts as an intermediary element between the interior space and the exterior environment. It mediates the conflict between visibility and security by selectively allowing or blocking light transmission based on its position, while also serving as a physical barrier against forced entry

Inventive Principle:

Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If a protective panel is added to cover the door window, then security is improved, but ease of operation is worsened due to the sliding and locking mechanism

Engineering Contradiction:

ImprovesecurityVSAvoidease of operation

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The locking mechanism is designed to be self-activating through the sliding motion itself. As the protective panel is slid into place, the locking member automatically engages with the lock opening without requiring separate locking actions, making the operation intuitive and simple

Inventive Principle:

Principle #25Self-service

3Reliability

If a locking mechanism is added to secure the protective panel, then reliability is improved, but device complexity is worsened

Engineering Contradiction:

ImprovereliabilityVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The locking mechanism is merged with the sliding motion of the protective panel. The locking member is integrated into the panel structure itself, and the locking action occurs automatically during the sliding operation, combining two functions (movement and locking) into a single integrated mechanism

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS20250270874A1Method of protecting a door window

Publication Date: 2025.08.28 OSCEOLA CUTS LLC

AI summary

A method of protecting a door window with a door window protector includes mounting the door window protector to a door, the door comprising the door window, wherein the door window protector comprises a mounting frame defining a frame opening, and wherein the door window is disposed within the frame opening; and covering the door window with a protective panel of the door window protector, wherein covering the door window the protective panel comprises sliding the protective panel of the door window protector within the frame opening from an open position to a closed position.