Firearm Sight Mounting Plate Assembly for Tool-Free Sight Swaps

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Solution Overview

Problem

Changing the configuration of red dot sights on firearms, such as positioning them in front of or behind the rear iron sight, or removing the iron sight altogether, is often difficult, time-consuming, and may require special tools, making it challenging to adapt to different shooting preferences or applications.

Innovation Solution

A firearm sight mounting plate assembly that includes a mounting plate and a firearm slide with a recess, allowing for quick and tool-less attachment of various red dot and iron sights, featuring apertures, protrusions, and dovetail slots for secure mounting, enabling easy configuration changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional sight mounting methods are used, then secure mounting is achieved, but changing configurations is difficult and time-consuming

Engineering Contradiction:
Improveease of configuration changeVSAvoidtime required for sight changes
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The sight mounting system is divided into separate modular components: a base plate with multiple mounting patterns, interchangeable sight assemblies, and a selection mechanism. This segmentation allows users to quickly swap between different sight configurations without tools by simply changing the selected sight assembly on the base plate.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting system transitions from a static fixed mounting to a dynamic selectable mounting system. The base plate includes multiple predetermined mounting patterns that can be activated or deactivated, allowing the configuration to change dynamically based on user needs without requiring time-consuming disassembly and reassembly operations.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If traditional sight mounting methods are used, then secure mounting is achieved, but special tools are required for changes

Engineering Contradiction:
Improveease of sight configuration changeVSAvoidmounting system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The base plate serves as an intermediary component between the firearm receiver and the sight assemblies. It provides a standardized interface with multiple predetermined mounting patterns, eliminating the need for special tools by allowing tool-free attachment and detachment of sight assemblies through simple selection and engagement mechanisms.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The base plate is designed with universal functionality to accommodate multiple different sight assemblies and mounting patterns. This multi-functionality allows a single base plate to support various sight configurations (red dot sights, iron sights, suppressor height sights) without requiring tool-based adjustments or complex reconfiguration procedures.

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

3Adaptability or versatility

If fixed sight mounting is used, then mounting stability is achieved, but adaptability to different configurations is limited

Engineering Contradiction:
Improvesight configuration versatilityVSAvoidmounting stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system segments the mounting function into a stable base plate component and interchangeable sight assembly components. The base plate maintains mounting stability through its secure attachment to the firearm receiver, while the sight assemblies can be easily changed to achieve different configurations, thus resolving the contradiction between stability and versatility.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting system allows parameter changes in terms of sight type, position, and configuration by selecting different sight assemblies or activating different mounting patterns on the base plate. These parameter changes can be made without compromising mounting stability, as the base plate maintains its secure attachment while the sight configurations are varied through simple selection.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20260036397A1Firearm sight mounting plate assembly
Publication Date: 2026.02.05 AGENCY ARMS LLC
  • US20260036397A1 patent drawing
  • US20260036397A1 patent drawing
  • US20260036397A1 patent drawing

AI summary

A firearm mounting plate assembly is provided. The firearm mounting plate assembly includes a firearm slide with a first side, a second side, and a top side. A recess defined by a first slide wall, a second slide wall, and a recess base surface is disposed on the firearm slide top side. The recess includes a rib, a slot, and an ejector projection. The firearm mounting plate assembly includes a mounting plate with a top surface, a bottom surface, a front side, and a rear side. An ejector notch and a channel is disposed along the bottom surface. The mounting plate includes a stud, and one or more bosses. The mounting plate is configured to secure within the recess of the firearm slide.