Ballistic Chain Cutting Device Stepped Slot Alignment
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Solution Overview
Problem
Military and law enforcement personnel face challenges in rapidly gaining access to chain-locked premises, as existing ballistic chain cutting methods require precise shot placement, potentially leading to multiple shots and increased risk of ricochet-induced injury.
Innovation Solution
An improved ballistic chain cutting device that securely mounts on a firearm barrel, featuring a stepped slot and curved engagement regions to accurately position the target link, ensuring the projectile opens the chain with a single shot, reducing the number of shots required and minimizing ricochet risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional ballistic chain cutting methods are used, then the device structure is simple, but the shot placement precision is insufficient requiring multiple shots
Solution Approach 1:
The device pre-positions the target link within a cradle structure before the shot is fired. The cradle holds the chain link in a predetermined location, and the slot aligns the link's pin along the projectile's path, eliminating the need for precise manual aim and ensuring accurate shot placement on the first attempt.
Solution Approach 2:
The cradle acts as an intermediary between the firearm and the chain link. It captures and secures the target link, positioning it reliably. The slot within the cradle serves as a secondary intermediary that further refines the alignment of the link pin with the projectile path, mediating the interaction between the shooter and the target.
2Reliability
If multiple shots are fired to open the chain, then the chain can be opened, but the time for entry increases and ricochet risk increases
Solution Approach 1:
The cradle pre-positions the target link and the slot pre-aligns the pin before the projectile is fired. This preliminary positioning ensures that the first shot is guaranteed to strike the pin accurately, opening the chain reliably on the first attempt and eliminating the time loss associated with multiple shots.
Solution Approach 2:
The device replaces the mechanical skill of precise aiming with a mechanical positioning system. The cradle and slot mechanically ensure proper alignment, substituting the need for skilled shot placement with a reliable mechanical alignment system that guarantees first-shot success.
3Reliability
If multiple shots are fired, then the chain can be opened, but the risk of ricochet-induced injury increases
Solution Approach 1:
The cradle and slot ensure the target link is pre-positioned and pre-aligned before firing, guaranteeing that the first shot opens the chain successfully. This eliminates the need for subsequent shots, thereby eliminating the cumulative ricochet risk that would otherwise increase with each additional shot fired.
4Measurement precision
If the target link is not properly positioned, then multiple shots are required, but proper positioning requires complex alignment mechanisms
Solution Approach 1:
The cradle performs the alignment function preliminarily by capturing the target link and holding it in the correct position. The slot provides a simple geometric constraint that guides the link pin into alignment with the projectile path. This preliminary alignment approach achieves precise positioning without complex adjustable mechanisms.
Solution Approach 2:
The alignment function is localized to specific features of the device: the cradle's geometry provides lateral positioning, and the slot's orientation provides angular alignment. Rather than requiring the entire device to be complex and adjustable, only these local features are designed with precise geometry to achieve the alignment function.
Data Source
AI summary
The present disclosure relates to an Improved Ballistic Chain Cutting Device. In general, the device positions a target link from a multi-link chain in the proper placement for a single shot from a firearm to cut or sever the target link. Embodiments of the improved device include a specially designed slot with stepped sidewalls creating a varying width to tightly receive the target link, a curved adjacent link engagement region to better accommodate the semicircular end of a link adjacent the target link, and a curved target link engagement region to better secure the target link within the device.