Dual Interface Rail Mount for KeyMod and M-LOK Compatibility
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Solution Overview
Problem
Firearm accessory mounts are not cross-compatible with KeyMod and M-LOK rail interface systems, leading to limitations in accessory usage and compatibility issues due to metal and polymer interaction problems, particularly with the KeyMod system.
Innovation Solution
A dual interface rail mount that integrates with both KeyMod and M-LOK systems using alignment relief lugs and screws/nuts, allowing secure attachment by making contact with the rail interface surfaces, thereby accommodating both 'keyhole-shaped' and 'rounded-square' slot configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dual interface rail mount is designed to accommodate both KeyMod and M-LOK systems, then accessory compatibility is improved, but device complexity increases
Solution Approach 1:
The mount body is designed with a universal base structure that can interface with both KeyMod and M-LOK rail systems. The alignment relief lugs are configured to engage with the specific slot geometries of either system, allowing a single mount design to serve multiple attachment standards without requiring separate mounting devices for each interface type.
Solution Approach 2:
The mounting system is divided into distinct functional components: the mount body, alignment relief lugs, and fastening mechanism. The alignment relief lugs are specifically designed as separate elements that can adapt to different slot configurations, allowing the main mount body to remain simple while the lugs provide the interface-specific adaptation needed for both KeyMod and M-LOK systems.
2Manufacturing precision
If alignment relief lugs are used to engage with rail interface slots, then mounting precision is improved, but the mount requires wider spacing to clear the interface features
Solution Approach 1:
The alignment relief lugs are designed with specific geometric features that match the local characteristics of both KeyMod and M-LOK slot configurations. By concentrating the alignment function in these localized lug features rather than requiring overall mount dimension changes, precise alignment is achieved without increasing the overall spacing requirements of the mounting system.
Data Source
AI summary
A firearm accessory connecting device to be mounted on a rail interface system has two locking mechanism and alignment relief lugs by which the device can be aligned and secured onto either a KeyMod rail interface or an M-LOK rail interface. The two locking mechanisms situated at a first front-end and a second rear-end of the connecting device and defined by a screw hole whereby a screw will engage the top surface of the connecting device and extend through the screw hole to the interior surface of the rail interface wherein a nut will be used to secure the screw in position and hence the mount onto the rail. The alignment lugs located at specific distances along the bottom surface of the connecting device will be slidably attached and aligned onto the rail interface.