Reusable Detent System for Breaching Door Training
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Solution Overview
Problem
Existing breaching door training systems often employ consumable components or mechanisms that are difficult to reset, limiting their usability in repeated breaching scenarios.
Innovation Solution
A non-consumable detent system with an elastic element that releasably holds the door closed, allowing for adjustable holding force and reusable without replacing components, enabling repeated breaching episodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If consumable components are used in breaching door training systems, then the door can be breached and opened, but the components must be replaced after each use, limiting repeated breaching episodes
Solution Approach 1:
The patent applies the discarding and recovering principle by designing a detent system where the breaking element (dowel or board) is intentionally consumable and replaced after each breaching event, while the surrounding structural components (doorframe, door, detent mechanism housing) are designed for repeated reuse. This selective replacement approach resolves the contradiction by allowing the necessary consumable element to be discarded while recovering and reusing the expensive structural components.
Solution Approach 2:
The patent segments the door assembly into consumable components (dowel, board) and non-consumable components (doorframe, detent mechanism, mounting structures). This segmentation allows the consumable parts to be easily replaced without affecting the reusable structural elements, thereby enabling repeated breaching training episodes while minimizing overall component replacement.
2Adaptability or versatility
If simple latching mechanisms are used, then the door can be held closed, but the holding force cannot be adjusted for different training scenarios
Solution Approach 1:
The patent applies the dynamics principle by incorporating an adjustable detent mechanism that allows the holding force to be dynamically changed between training sessions. The mechanism includes adjustable components (such as movable detent positions, variable spring tension, or reconfigurable latching points) that enable trainers to modify the resistance level according to different training scenarios, transforming a static simple latch into a dynamic adaptable system.
Solution Approach 2:
The patent utilizes parameter changes by allowing key parameters of the detent mechanism (such as spring constant, detent engagement force, or latching geometry) to be adjusted. This enables the same physical mechanism to provide different holding forces for various training requirements, achieving adaptability without requiring multiple different mechanisms.
3Productivity
If consumable components are used in breaching door training systems, then the door can be breached and opened, but time is lost replacing components between episodes
Solution Approach 1:
The patent applies preliminary action by pre-positioning replacement consumable components (dowels, boards) in easily accessible locations and pre-assembling replacement kits before training sessions begin. This allows trainers to quickly swap components during brief interruptions without needing to search for or assemble parts during the training flow, minimizing time loss and maximizing training throughput.
Solution Approach 2:
The patent extracts the consumable components (dowel, board) as separate, easily removable elements that can be quickly taken out and replaced without disassembling the main door structure. This extraction approach enables rapid component replacement by isolating the consumable parts from the permanent structure, thereby reducing the time required between breaching episodes.
4Reliability
If mechanisms that are difficult to reset are used, then the door can be held closed securely, but the system cannot be quickly prepared for the next breaching event
Solution Approach 1:
The patent applies inversion by designing the detent mechanism so that the secure latching action occurs automatically when the door closes, rather than requiring manual securing operations. The consumable component (dowel or board) is positioned such that it automatically engages the detent mechanism upon door closure, providing secure holding without complex manual reset procedures. After breaching, the inverted approach allows quick reset by simply removing the consumed element and allowing the door to naturally return to its latched position.
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 allows for repeated use without component replacement, providing adjustable resistance for training scenarios, enhancing the realism and practicality of breaching simulations.
Implementation Method 1
an elastic element that urges the first and second portions into engagement
Data Source
AI summary
Door breach training systems that utilize a non-consumable detent system for releasably holding the door closed for repeated breaching episodes. The door breach training system includes a doorframe, a door pivotally mounted to the doorframe, and one or more detent systems interconnecting the door and doorframe and configured to releasably maintain the door closed so as to be pivotally aligned with the doorframe. The detent systems are configured to be reusable for a plurality of breaching events without replacing any components thereof. The detent systems include a first portion mounted to the doorframe, and a second portion mounted to the door and configured to releasably engage the first portion; and an elastic element that urges the first and second portions into engagement.