Multidirectional Firearm Light With Cam-Driven Magnetic Switching
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Solution Overview
Problem
Existing firearm lighting systems lack versatility and ease of use, requiring complex configurations that hinder quick access to the appropriate lighting configuration during tactical situations, compromising safety and accuracy.
Innovation Solution
A multidirectional firearm light with a housing featuring a front lamp and side lamps, controlled by a switch actuator and cam mechanism, allowing for easy rotation between multiple lighting positions, including neutral, momentary, and toggle modes, providing haptic feedback for user confirmation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-directional light is used, then the device complexity is reduced, but the adaptability to different tactical situations deteriorates
Solution Approach 1:
The illumination device incorporates multiple lamps (front lamp, first side lamp, second side lamp) that can be selectively activated to serve different tactical lighting needs. The single actuator mechanism provides universal control for all lighting configurations including front lighting, side lighting, and combinations thereof, allowing one device to adapt to various situational requirements without requiring separate switches for each lamp
Solution Approach 2:
The patent combines multiple lighting functions and control operations into a single actuator mechanism. The actuator integrates toggle and momentary switch capabilities, and through the cam mechanism, controls multiple lamps simultaneously. This merging of functions reduces the number of separate components while maintaining comprehensive lighting control for different tactical scenarios
2Adaptability or versatility
If a complex switching mechanism is used, then the lighting configuration control is improved, but the ease of operation deteriorates
Solution Approach 1:
The single actuator serves multiple functions: it can be pushed to toggle between on/off states, rotated to momentary on positions, and combines both capabilities in one component. This universal control element provides comprehensive lighting mode control without requiring the user to locate and manipulate multiple separate switches during tactical operations
Solution Approach 2:
The actuator incorporates both toggle and momentary switching capabilities within a single mechanism. The cam follower interaction with the cam surface automatically provides tactile feedback and positioning, allowing the system to self-regulate the switching states without requiring additional controls or complex user inputs
3Illumination intensity
If multiple lamps are used, then the illumination coverage is improved, but the device complexity increases
Solution Approach 1:
The illumination device is segmented into distinct functional lighting units: a front lamp for primary illumination and side lamps for peripheral lighting. Each lamp can be independently controlled through the actuator mechanism, allowing selective activation based on tactical needs. This segmentation provides comprehensive illumination coverage while maintaining organized, manageable device structure through modular lamp assemblies
Solution Approach 2:
Multiple lamps are integrated into a single illumination device that is controlled by one actuator mechanism. The front lamp and side lamps work together to provide comprehensive lighting coverage for different tactical scenarios, achieving enhanced illumination intensity and coverage without proportionally increasing control complexity through the unified actuator system
4Measurement precision
If a cam mechanism with multiple positions is used, then the lighting configuration precision is improved, but the device complexity increases
Solution Approach 1:
The cam follower interaction with the cam surface provides tactile feedback to the user, indicating when the actuator has reached a specific position (toggle or momentary). This feedback mechanism ensures precise actuator positioning without requiring complex electronic sensors or indicators, maintaining simple mechanical feedback that confirms switching precision through physical sensation
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
Enhances user safety and accuracy by ensuring rapid access to optimal lighting configurations, improving illumination in dimly lit areas through a versatile and intuitive lighting system.
Implementation Method 1
the cam having a first end including a magnet and a second end having a shaped cam surface configured to interface with a cam follower, wherein the actuator and the cam are biased toward a neutral position; wherein the first end of the cam is adjacent a plurality of magnetic switches configured to control respective states of the front lamp and the side lamps, such that selective rotation of the cam causes the magnet of the cam to operate one or more of the magnetic switches
Data Source
AI summary
An illumination device for a firearm may include a housing supporting multiple lamps. A switch actuator of the device is rotationally coupled to a rear end of the housing. A cam is coupled to the switch actuator, such that the cam rotates with the actuator, the cam having a first end including a magnet and a second end having a shaped cam surface configured to interface with a cam follower. The actuator and the cam are biased toward a neutral position. Selective rotation of the cam causes a magnet of the cam to operate one or more magnetic switches. The cam is transitionable between a plurality of discrete positions, e.g., including a pair of toggle positions in the first rotational direction from the neutral position, and a pair of momentary positions disposed on the cam in the second rotational direction from the neutral position.