Rotating Tactical Foregrip Assembly for Cover Optimization

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Solution Overview

Problem

Typical foregrip and accessory mounting systems on firearms do not allow for dynamic positioning of the grip or light, making it difficult for operators to optimize their position behind cover during room clearing operations, leading to increased exposure and altered bullet trajectories.

Innovation Solution

A tactical foregrip assembly with a stationary mount, a radially rotatable grip mount, and an independently rotatable light mount, allowing for quick reconfiguration of accessories and improved visibility without exposing the operator.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the light assembly is permanently mounted on a bottom rail or side rail, then the mounting structure is simple and stable, but the operator cannot optimize position behind cover and must divert attention to repositioning the sling or exposing themselves to negotiate turns

Engineering Contradiction:
Improveoperator position optimizationVSAvoidmounting system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The foregrip assembly incorporates a radially rotatable grip mount assembly that allows the grip and attached light to be rotated dynamically around the firearm barrel. This enables the operator to optimize positioning behind cover without permanently fixed constraints, resolving the contradiction between operational flexibility and mounting simplicity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The mounting system is divided into separate functional components: a stationary mount assembly attached to the receiver, a radially rotatable grip mount assembly, and an independently rotatable light mount assembly. This segmentation allows each component to be optimized independently while providing overall system flexibility.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the foregrip is fixed in a vertical direction, then the structure is simple and stable, but the operator cannot maintain optimal position behind cover and must assume rollover prone position which alters bullet flight path

Engineering Contradiction:
Improveoperator position optimizationVSAvoidforegrip structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The grip mount assembly is made radially rotatable about the stationary mount assembly, allowing the foregrip to be rotated from vertical to horizontal positions. This dynamic capability enables the operator to maintain optimal position behind cover without altering the firearm's firing orientation, thus preserving accurate bullet trajectories.

Inventive Principle:
Principle #15Dynamics

3Object-affected harmful factors

If the light is mounted on a side rail, then the mounting structure is simple, but the orientation causes unnecessary exposure to the operator when circumventing corners

Engineering Contradiction:
Improveoperator exposureVSAvoidlight mounting complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The light mount assembly is made independently rotatable relative to the grip assembly, allowing the light to be positioned dynamically to avoid projecting light toward the operator during corner negotiations. This independent rotation capability decouples the light positioning from the grip positioning, enabling optimal exposure management.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS7676975B2Tactical foregrip assembly
Publication Date: 2010.03.16 BREACHING TECH
  • US7676975B2 patent drawing
  • US7676975B2 patent drawing
  • US7676975B2 patent drawing

AI summary

A tactical foregrip assembly for use with a firearm, the assembly having an independently rotatable grip mount assembly and an independently rotatable light mount assembly. The invention comprises a stationary mount assembly attachable to the receiver of a firearm, a grip mount assembly radially rotatable about and electrically coupled to the stationary mount assembly, and a light mount assembly radially rotatable about and electrically coupled to the stationary mount and engagable with said grip assembly. The present invention allows the operator to provide light to illuminate an area while simultaneously positioning himself in a manner so as to maximally use available cover.