Firearm Fore Grip Light Integration

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Solution Overview

Problem

The use of removable fore grips on firearms often compromises the space for accessory lights, forcing operators to choose between the two, and existing solutions for attaching lights to vertical fore grips have limited operational capabilities.

Innovation Solution

A fore grip integrated with a firearm that houses a light source, such as a laser, and a power source, featuring a switch with three positions for constant on, constant off, and activation modes, along with secondary switches for user-activated operation, allowing for efficient use of space and enhanced functionality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a removable fore grip is attached to the firearm, then the operator gains a front handle for support and aiming, but the space for accessory lights is compromised

Engineering Contradiction:
Improvefore grip functionalityVSAvoidspace for accessory lights
Core Design Contradiction:
Ease of operationVSArea of stationary object

Solution Approach 1:

The patent combines the fore grip structure with a light source housing into a single integrated unit. The fore grip includes an internal cavity that houses the light source, power source, and control switches, merging two previously separate functions (grip support and lighting) into one component that attaches to the firearm rail.

Inventive Principle:
Principle #5Merging (Combining)

2Area of stationary object

If accessory lights are attached to vertically-extending fore grips, then space is preserved, but the operational capabilities are limited

Engineering Contradiction:
Improvespace for accessory lightsVSAvoidoperational capabilities
Core Design Contradiction:
Area of stationary objectVSAdaptability or versatility

Solution Approach 1:

The patent implements a multi-position switch mechanism that provides three distinct operational modes: a first position for constant illumination, a second position for deactivated light, and a third position for activated light. This dynamic control system enhances the versatility of the light source, allowing operators to adapt the lighting function to different operational requirements.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The fore grip is designed to perform multiple functions simultaneously: it provides structural support for aiming, houses and controls a light source with multiple operating modes, and maintains removability via rail attachment. This multi-functionality resolves the limitation of previous single-purpose fore grips.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 the integration of a light source within the fore grip, providing flexible operation and preserving space for accessory lights, while maintaining the functionality of the fore grip for aiming and support.

Implementation Method 1

The light source preferably is a laser and has at least three operating conditions

Methodology Applied
Scientific EffectLaser: Laser

Data Source

PatentUS9841254B2Front-grip lighting device
Publication Date: 2017.12.12 CRIMSON TRACE CORP
  • US9841254B2 patent drawing
  • US9841254B2 patent drawing
  • US9841254B2 patent drawing

AI summary

A fore grip for a firearm houses a light source and power source. The light source is preferably a laser and the power source is preferably one or more batteries. A first switch is connected to a PCB and can be moved to respective positions that correspond to each of various operating conditions, such as continuously on, continuously off, and on when a second switch is activated.