Simulated Door Breach Training System with Replaceable Shear Joints
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Solution Overview
Problem
Current door breach training systems are costly due to the need for frequent replacement of actual doors and require precise shot placement to effectively defeat lock-and-latch mechanisms, limiting realistic and repetitive training for public-safety and military personnel.
Innovation Solution
A door breach training system comprising a frame with simulated lock-and-latch mechanisms and hinges made of high-density polyethylene and high-impact polystyrene, respectively, allowing for repeated use and realistic simulation of ballistic door breaches with a shotgun, enabling proper placement training without damaging actual doors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If actual doors are used for training, then training realism is improved, but cost increases due to frequent replacement
Solution Approach 1:
The patent creates a training system that copies the essential features of actual doors (frame, door panel, lock-and-latch mechanisms, hinges) using simulated components. The simulated door assembly includes a frame member with lock jamb and hinge jamb, a door panel with simulated lock and hinge mechanisms, allowing repeated training without destroying actual doors.
Solution Approach 2:
The patent employs disposable or easily replaceable simulated components that can be destroyed during training exercises without significant cost. The simulated lock-and-latch mechanisms and hinges are designed to be defeated by ballistic rounds, and the entire simulated door assembly can be quickly replaced after training, eliminating the need to protect expensive actual doors.
2Reliability
If actual doors are used for training, then training realism is improved, but installation cost increases
Solution Approach 1:
The patent divides the door system into separate, modular components: a frame member with integrated lock jamb and hinge jamb, a door panel with simulated lock mechanisms, and simulated hinges. This segmentation allows each component to be manufactured independently and assembled, reducing installation complexity and cost compared to installing complete actual door assemblies.
Solution Approach 2:
The simulated door assembly is designed to be universally applicable for training purposes across different scenarios. The frame member and door panel can be configured with various simulated lock-and-latch mechanisms and hinges to represent different door types, providing multi-functional training capability without requiring multiple specialized installation systems.
3Productivity
If repeated door breach training is performed, then training effectiveness is improved, but cost increases due to constant door replacement
Solution Approach 1:
The patent creates a training system that copies the essential features of actual doors (frame, door panel, lock-and-latch mechanisms, hinges) using simulated components. The simulated door assembly includes a frame member with lock jamb and hinge jamb, a door panel with simulated lock and hinge mechanisms, allowing repeated training without destroying actual doors.
Solution Approach 2:
The patent employs disposable or easily replaceable simulated components that can be destroyed during training exercises without significant cost. The simulated lock-and-latch mechanisms and hinges are designed to be defeated by ballistic rounds, and the entire simulated door assembly can be quickly replaced after training, eliminating the need to protect expensive actual doors.
4Measurement precision
If precise shot placement is required, then training accuracy is improved, but difficulty of operation increases
Solution Approach 1:
The patent incorporates visual indicators on the simulated door components to show the precise location of shear joints and vulnerable points. The simulated lock-and-latch mechanisms and hinges include visual markers that indicate the exact target areas for ballistic rounds, helping trainees achieve accurate shot placement without excessive difficulty.
Solution Approach 2:
The simulated door assembly provides immediate feedback to trainees by showing whether the shot successfully defeated the simulated lock-and-latch mechanisms or hinges. The visual design allows trainees to see the result of their shot placement, enabling them to adjust their aim and technique based on real-time feedback from the training exercise.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides a cost-effective and repeatable training solution that mimics real-world door breach scenarios, allowing for efficient practice of shot placement and tactical skills without the expense of constant door replacement, while minimizing downtime between simulated breaches.
Implementation Method 1
The system provides a cost-effective and repeatable training solution that mimics real-world door breach scenarios, allowing for efficient practice of shot placement and tactical skills without the expense of constant door replacement
Data Source
AI summary
A door breach training system comprising a first restraint assembly connecting a door to a frame. The door is attached to a lock jamb of the frame with a first restraint assembly that exposes a shear joint to impact from a projectile, such as shotgun round. Another embodiment further comprises attachment of the door to the hinge jamb with at least one second restraint assembly that functionally simulates a typical door hinge and exposes a shear joint to impact from a ballistic round. The preferred embodiment includes replaceable lock panels and hinge panels that are designed to break in a known manner in order to replicate those same failure modes for both door locks and door hinges in typical residential and commercial construction environments.