Retractable Ballistic Shield Gap Protection

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Solution Overview

Problem

Military, government, and security personnel face risks from ballistics and explosions while standing guard, necessitating effective barriers for protection, but existing solutions fail to provide adequate mobility and protection in gap areas between barriers and supporting surfaces.

Innovation Solution

A retractable ballistic shield is designed to move between extended and retracted positions relative to a barrier, extending to cover gaps between the barrier's front wall and the supporting surface for protection and retracting to allow barrier movement, constructed from materials like metal, masonry, or carbon fiber to withstand projectiles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the barrier is mounted on wheel systems to improve mobility, then ease of operation is improved, but a gap is formed between the front wall and supporting surface that compromises protection

Engineering Contradiction:

ImprovemobilityVSAvoidprojectile exposure through gap

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The protective system is divided into two functional segments: the main barrier structure mounted on wheels for mobility, and a separate retractable shield that can be independently positioned to cover the gap area, allowing each segment to fulfill its specific function without compromise

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The shield is designed with dynamic positioning capability, able to extend forward to cover the gap when protection is needed and retract when mobility is required, transforming the static protection concept into a dynamic system that adapts to operational needs

Inventive Principle:

Principle #15Dynamics

2Object-affected harmful factors

If the shield extends to cover the gap for protection, then protection coverage is improved, but the barrier's mobility is reduced

Engineering Contradiction:

Improveprotection coverageVSAvoidbarrier mobility

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The shield incorporates a retractable mechanism that enables it to dynamically change its position between extended (protection mode) and retracted (mobility mode), resolving the contradiction by allowing the system to adapt its configuration based on operational requirements

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The shield operates in periodic cycles of extension and retraction, alternating between protection coverage and mobility clearance based on the operational phase, allowing both protection and mobility functions to be fulfilled at different times in the operational cycle

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS10466016B2Ballistic shield

Publication Date: 2019.11.05 DEFENSHIELD INC

AI summary

A ballistic shield that is movable between an extended position and a retracted position is disclosed. In the extended position, the shield extends from the supporting surface to at least a height of a lower edge of a front wall of a ballistic barrier. In the extended position, the shield provides protection in an area corresponding to a gap between the front wall and the supporting surface. In the retracted position, the shield is removed relative to the supporting surface and provides clearance from the supporting surface.