Machine Gun Accessory Mount Adapter for Recoil Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge lies in securely attaching and stabilizing heavy or bulky accessories, such as light beam generators, to the Browning M2 machine gun's shroud, which is subject to recoil and vibration, and ensuring proper alignment and power management to avoid accidental activation and overheating.
Innovation Solution
An adapter system with adjustable plugs and retaining rings that securely engage the shroud's perforations, along with a rail system for mounting accessories, and a control mechanism to manage power efficiently, including a logical switch and cable configuration to prevent unintentional illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If accessories are mounted directly to the shroud using existing perforations, then the mounting process is simple, but the accessories become loose or misaligned under recoil and vibration
Solution Approach 1:
A block is introduced as an intermediary component between the shroud and the accessory. The block embraces the shroud and provides a stable mounting surface, while accessories are then mounted to the block rather than directly to the shroud. This intermediary structure isolates the accessory from direct exposure to recoil and vibration forces on the shroud.
Solution Approach 2:
The mounting system is divided into separate functional components: the shroud, the block (which engages shroud perforations), and the accessory. This segmentation allows each component to be optimized independently - the block can be designed with specific engagement features for the shroud while providing a separate, stable interface for the accessory.
2Adaptability or versatility
If heavy accessories are attached to the shroud, then the accessory mounting capability is achieved, but the shroud's variable perforation shapes and locations create attachment difficulties
Solution Approach 1:
The block is designed with multiple threaded bores arranged in specific patterns that can accommodate various accessory types and mounting configurations. The same block can engage with the shroud's perforations while providing multiple attachment points for different accessories, making the system universally applicable to various mounting needs.
Solution Approach 2:
The block provides a standardized interface with fixed bore locations and thread specifications, transforming the variable shroud perforation parameters into consistent mounting parameters. This allows accessories to be mounted with precise, repeatable geometry regardless of the original shroud perforation variations.
3Reliability
If accessories are securely fastened to withstand recoil, then attachment reliability is improved, but the risk of accidental activation and power overheating increases
Solution Approach 1:
The power switch and control functions are extracted from the accessory itself and relocated to the block or cable assembly. This separation allows the accessory to be securely mounted while the activation control is positioned in a location less susceptible to accidental engagement during recoil or vibration, and allows for better thermal management of high-power switches.
Data Source
AI summary
An adapter for mounting an accessory on a shroud such as is found on an M2 machine gun includes a rigid block embracing the shroud. Blunt-nosed helically threaded plugs penetrate the block and intrude partly into perforations of the shroud. Retaining rings, threaded oppositely to the threaded plugs, prevent the plugs from backing out. A key tool is provided to tighten the plugs and retaining rings. A longitudinally oriented T-rail projects radially from the block. A slide body engages the T-rail and includes a locking mechanism, a lamp assembly, a logically switched power control, a power cable, and a control cable with interchangeable switches.