Expandable Safe Room Hinged Deployment

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Solution Overview

Problem

Current protective structures are limited in their ability to be used independently indoors and outdoors, require additional supporting structures, and lack rapid deployment and compact storage capabilities.

Innovation Solution

An expandable safe room that is automatically operated, bulletproof, and optionally provides chemical and biological protection, featuring a self-standing design with hingedly connected walls, roof, and floor, allowing for rapid deployment from a compact folded position to a fully functional protective space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If protective structures are made of steel and designed to be bulletproof, then protection capability is improved, but weight and space requirements increase

Engineering Contradiction:
Improveprotection capabilityVSAvoidstructure weight
Core Design Contradiction:
ReliabilityVSWeight of stationary object

Solution Approach 1:

The protective structure is divided into multiple modular panels that can be folded and stacked. Each panel is a self-contained protective unit with ballistic-resistant properties, allowing the overall structure to be segmented into compact sections when not in use while maintaining full protection capability when deployed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The foldable panels are designed to nest within each other when folded, with each panel containing or supporting the next. This nesting arrangement allows the bulky protective structure to be compressed into a minimal storage space while preserving the integrity and protective function of each individual panel.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Adaptability or versatility

If protective structures are designed to be fully functional and self-standing, then independence and versatility are improved, but device complexity and space requirements increase

Engineering Contradiction:
ImproveindependenceVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The protective structure incorporates movable hinges and foldable joints that allow transition between deployed and folded states. These dynamic elements enable the structure to adapt its configuration based on operational needs, transforming from a compact stored state to a fully functional self-standing shelter without requiring complex assembly procedures.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The modular panel design with standardized hinges and connections allows the same basic structure to serve multiple functions - providing ballistic protection, chemical/biological protection, and shelter functionality. The universal joint design enables the structure to be deployed in various configurations and locations without requiring location-specific modifications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If protective structures are designed for rapid deployment, then response time is improved, but manufacturing complexity and operational complexity increase

Engineering Contradiction:
Improvedeployment speedVSAvoidmanufacturing complexity
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The protective panels are pre-assembled with hinges and connection mechanisms attached during manufacturing. This preliminary action ensures that when deployment is required, no field assembly is needed - the structure only requires unfolding and locking into position, dramatically reducing deployment time while keeping manufacturing processes standardized and manageable.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The foldable panel structure incorporates self-latching mechanisms and automatic alignment features that allow the structure to deploy and secure itself without requiring complex manual assembly or specialized tools. The hinges and connections are designed to engage automatically when panels are folded into position, enabling rapid deployment by minimal personnel.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP3303715B1Expandable safe room
Publication Date: 2022.04.13 KLEIN
  • EP3303715B1 patent drawingFigure 1
  • EP3303715B1 patent drawingFigure 2
  • EP3303715B1 patent drawingFigure 3

AI summary

An expandable safe room (ESR) defining a protected space therein is provided and comprises a main upright frame, a pair of side walls hingedly connected to the main upright frame, and a front wall parallel to the main upright frame and hingedly connected to the side walls, wherein deploying the ESR in an expanding direction moves the front wall in a forward direction and away from the main upright frame. Floor and roof are also provided wherein the deployment of the ESR can be automatically or manually.