Firearm Rail Powered Accessory Networking
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Solution Overview
Problem
Current firearm accessories require multiple batteries for operation, leading to inconvenience in managing power and data for multiple accessories mounted on standard firearm rails.
Innovation Solution
A powered rail system with alternating slots and ribs, utilizing inductive power transfer through primary and secondary U-cores, and conductive power and data transfer via pins with tungsten carbide contact surfaces, allowing for centralized power management and data communication between accessories and the firearm's microcontrollers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If accessories use individual batteries, then each accessory can operate independently, but multiple batteries must be managed and replaced
Solution Approach 1:
The patent merges multiple battery power sources into a single centralized battery pack that powers all accessories through the rail system. Instead of each accessory having its own battery, the centralized battery provides power to multiple accessories simultaneously, eliminating the need to manage multiple separate batteries while maintaining reliable operation of all accessories.
Solution Approach 2:
The rail system is designed with universal power and data transfer capabilities that can serve multiple different accessories simultaneously. The same rail infrastructure provides both power and data communication to various accessories, making the system multi-functional and eliminating the need for accessory-specific power management.
2Ease of operation
If a centralized power system is used, then battery management is simplified, but the rail structure becomes more complex
Solution Approach 1:
The rail structure is designed to perform multiple functions simultaneously - mechanical support, electrical power transfer, and data communication - all through a single unified infrastructure. This multi-functionality simplifies the overall system despite the increased capabilities, as one rail structure replaces what would otherwise require separate components for each function.
Solution Approach 2:
The rail system is segmented into functional components (power transfer contacts, data transfer contacts, mechanical mounting features) that are integrated into the overall rail structure. This segmentation allows each component to be optimized for its specific function while maintaining a relatively simple overall design that doesn't require complex integration.
3Power
If conductive contacts are used for power transfer, then efficient power delivery is achieved, but electrical shorting and corrosion risks increase
Solution Approach 1:
The contact surfaces utilize composite material properties - specifically tungsten carbide coatings on the conductive contacts. Tungsten carbide provides both excellent electrical conductivity for efficient power transfer and exceptional resistance to corrosion and wear, thereby maintaining electrical connection reliability over time while preserving power transfer efficiency.
Solution Approach 2:
The design incorporates replaceable contact elements that can be individually replaced if they become worn or corroded, rather than replacing the entire rail system. This approach maintains reliability by allowing easy replacement of degraded contacts while keeping the overall system cost-effective.
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
Enables efficient power distribution and data communication to multiple accessories without the need for individual batteries, ensuring reliable operation and reducing the complexity of battery management, while preventing electrical shorting and corrosion.
Implementation Method 1
inductively transferring power to the accessory via another pair of coils or in another embodiment another pair of contacts exclusively dedicated to power transfer
Implementation Method 2
conductive power and data transfer via pins with tungsten carbide contact surfaces
Data Source
AI summary
A method, apparatus and system for networking accessories to a firearm or weapon wherein the accessories are conductively powered from the rail and data is transferred between the accessories and the rail via conductive coupling. In one embodiment, a weapon is provided, the weapon having: an upper receiver; a lower receiver; a powered accessory mounted to a rail of the upper receiver; and an apparatus for conductively networking a microcontroller of the powered accessory to a microcontroller of the upper receiver and a microcontroller of the lower receiver, wherein the data is exclusively provided to the powered accessory from the rail.