Take-down Rifle Accessory Mount with Barrel Engagement
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Solution Overview
Problem
Take-down or break-down rifles exhibit increased tolerance stack-up and relative movement between the receiver and barrel, requiring more time and effort to sight in and maintaining accuracy, especially due to temperature variations and component loosening, making it challenging to attach aftermarket scopes without gunsmithing.
Innovation Solution
A no-gunsmithing accessory mount for take-down rifles featuring a first portion with an accessory interface and a second portion with a locking block, designed to engage the receiver assembly and provide a barrel engagement surface, allowing for secure and accurate attachment of scopes to the barrel without machining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If iron sights are mounted to barrels, then the firearm is light-weight and low cost, but optical sights cannot be mounted close to the eye
Solution Approach 1:
The mount is divided into separate components: a barrel-mounted base and a receiver-mounted top portion, allowing the optical sight to be positioned close to the eye while maintaining a simple, lightweight barrel mount without requiring a complex cantilever structure
2Ease of operation
If scopes are mounted to receivers, then the scope is held closer to the eye, but additional complexity and weight are added
Solution Approach 1:
The mounting system is segmented into two simple parts: a basic barrel mount and a receiver mount that connects via a top portion, eliminating the need for a complex cantilever structure while still achieving close-to-eye scope positioning
Solution Approach 2:
A top portion acts as an intermediary element connecting the barrel-mounted base to the receiver-mounted components, providing a simple interface that reduces overall system complexity compared to traditional cantilever mounts
3Ease of operation
If forward mounted scopes are used, then long eye-relief is achieved, but they are limited to fixed-barrel rifle applications
Solution Approach 1:
The mount is designed with dynamic adaptability through a locking block mechanism that can accommodate different barrel types and configurations, allowing the same mount to work with both fixed and interchangeable barrels while maintaining proper eye relief
4Adaptability or versatility
If take-down rifles are used, then reconfiguration is possible, but tolerance stack-up and relative movement increase
Solution Approach 1:
The mount incorporates preliminary alignment features and a locking block mechanism that pre-establishes proper positioning and secures the optical sight before shooting, compensating for tolerance stack-up and preventing movement during use
Solution Approach 2:
The design allows for adjustment and verification of sight alignment, enabling the user to compensate for tolerance variations and ensure accurate sighting despite the take-down rifle's inherent movement and tolerance issues
5Adaptability or versatility
If after-market barrels are attached, then barrel customization is achieved, but gunsmithing is required to provide fastening features
Solution Approach 1:
The mount base is designed with universal compatibility features that can attach to various barrel types without requiring custom fastening features or gunsmithing, allowing after-market barrels to be used with standard mounting procedures
Data Source
AI summary
A firearm accessory mount for a take-down rifle is disclosed. The mount has a first portion having an accessory interface, and a second portion opposing the first portion. The second portion has a locking block with a proximal end and a distal end. The proximal end is shaped and positioned to engage a receiver assembly of the take-down rifle. At least one of the first portion or the second portion has a barrel engagement surface. A related method is also disclosed.