Firearm Accessory Mount with Adjustable Lug and Tool-Free Battery Compartment
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Solution Overview
Problem
Existing firearm accessories, such as lights and lasers, often require dismounting from the firearm to replace batteries, and their mounting systems can be inflexible, allowing forward movement during recoil.
Innovation Solution
A firearm accessory with a housing featuring a mount that includes first and second rail engagement arms to securely attach to a firearm's accessory rail, preventing forward movement, and a battery compartment accessible without tools or dismounting, with a motion sensor activating a secondary light source when the accessory is in motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed protrusion mounting system is used, then the accessory can be mounted on the rail, but the accessory may move forward during recoil
Solution Approach 1:
The patent employs a dynamic mounting system where the protrusion can be adjusted between multiple positions on the accessory body. This allows the mounting system to adapt to different rail configurations and recoil forces, maintaining stability while providing operational flexibility. The adjustable protrusion mechanism enables the user to select optimal mounting positions based on specific needs.
2Ease of operation
If the accessory is designed as a single integrated unit, then the structure is simple, but the battery cannot be replaced without dismounting the accessory
Solution Approach 1:
The patent divides the accessory into separable components: a main body housing containing the battery compartment and a mounting interface. The battery compartment is designed as an accessible subsystem that can be opened and accessed while the accessory remains mounted on the firearm. This segmentation allows independent battery replacement without requiring complete disassembly of the mounting system.
3Extent of automation
If a motion sensor is added to activate the second light source, then hands-free operation is enabled, but the device complexity increases
Solution Approach 1:
The patent implements a motion sensor system that automatically detects when the firearm is being carried or moved and activates the second light source accordingly. The system uses the firearm's own motion as the trigger signal, eliminating the need for manual intervention. The controller is integrated into the existing accessory circuitry, minimizing additional complexity while enabling hands-free operation.
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 secure mounting, easy battery replacement, and automatic activation of a secondary light source when the accessory is in use, enhancing usability and safety by preventing forward movement during recoil and providing hands-free illumination.
Implementation Method 1
a motion sensor configured to sense when the housing is moving
Data Source
AI summary
A firearm accessory with a primary light oriented in a first direction to assist a user in aiming the firearm and a path light oriented in a second direction to assist the user in seeing a travel path. A motion sensor may actuate the path light. The path light may be positioned below the primary light. The accessory includes a mount for mounting the accessory on a firearm. A housing of the accessory may include lug receivers spaced longitudinally, and a lug received by one of the lug receivers and adapted to engage the groove on a firearm rail for preventing longitudinal movement of the mounted accessory. Actuators for turning the primary light on and off may be positioned adjacent sides of a trigger guard of the firearm when the housing is mounted to the firearm. Mounting features and battery compartment features are also disclosed.