Trigger Guard Adaptor Kit for Small Handgun Brace Fit

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Solution Overview

Problem

Small handguns, such as the GLOCK 43 and GLOCK 48, do not fit in existing pistol brace stabilizers due to their compact size, necessitating separate stabilizer designs which are economically unfeasible.

Innovation Solution

An adaptor kit comprising a trigger guard adaptor and a rear beavertail adaptor that extend the handgun's dimensions to fit within a standard pistol brace assembly, including a trigger guard adaptor with a forward member and a rear beavertail adaptor that snap onto the handgun's trigger guard and receiver, respectively, securing it in place.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a standard pistol brace stabilizer is used, then it provides stabilization for larger handguns, but it cannot accommodate small handguns due to size constraints

Engineering Contradiction:

Improvecompatibility with small handgunsVSAvoidtrigger guard length

Core Design Contradiction:

Adaptability or versatilityVSLength of moving object

Solution Approach 1:

The patent introduces an adaptor assembly as an intermediary component between the small handgun and the pistol brace stabilizer. The adaptor includes a trigger guard adaptor portion that attaches to the handgun's trigger guard and extends forward, and a receiver adaptor portion that attaches to the receiver. This intermediary structure effectively increases the trigger guard length and provides mounting surfaces that interface with the pistol brace stabilizer, enabling compatibility without modifying the original handgun or stabilizer designs.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The adaptor assembly is divided into multiple segments: a trigger guard adaptor portion and a receiver adaptor portion. These segmented components can be independently attached to different parts of the handgun (trigger guard and receiver respectively), allowing the system to accommodate small handguns while maintaining compatibility with the standard pistol brace stabilizer interface.

Inventive Principle:

Principle #1Segmentation

2Adaptability or versatility

If separate stabilizer designs are created for small handguns, then fitment is improved, but manufacturing cost increases

Engineering Contradiction:

Improvededicated stabilizer designVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The adaptor assembly serves multiple functions: it increases trigger guard length, provides mounting surfaces for the pistol brace stabilizer, and interfaces with both the trigger guard and receiver of the handgun. By creating a universal adaptor that can be used with standard pistol brace stabilizers, the invention avoids the need to manufacture separate dedicated stabilizers for small handguns, thereby reducing manufacturing costs while maintaining adaptability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250305794A1Adaptor kit for small handguns to fit pistol brace assembly

Publication Date: 2025.10.02 RECOVER INNOVATIONS LTD

AI summary

An adaptor kit assembly includes a trigger guard adaptor including attachment structure for coupling to a front portion of a trigger guard of a handgun so that the trigger guard adaptor increases a length of the trigger guard towards a firing direction of the handgun. A rear beavertail adaptor may be provided for coupling to a rear portion of a receiver of the handgun.