AK Iron Sight Rail Adapter Using Pressure Clamps
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Solution Overview
Problem
AK type rifles lack standardized accessory rail systems, making it difficult to mount various small arms accessories like advanced sights and lights, unlike AR type rifles which have widely available Picatinney rail systems.
Innovation Solution
Development of removable and fixed rail systems for AK type rifles that can be mounted over the iron sight assembly using pressure clamps, screws, and set screws, allowing for adjustable height and secure engagement with the rifle's existing structures, utilizing materials like steel and aluminum with various surface finishes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rail system is added to an AK type rifle, then accessory mounting capability is improved, but device complexity increases
Solution Approach 1:
The rail adapter enables the AK rifle to accommodate multiple types of accessories (Picatinney, Weaver, and custom AK mounts) through a single universal mounting interface that attaches to the existing iron sight assembly, making the rifle adaptable to various accessory standards without requiring separate mounting systems for each type
Solution Approach 2:
The rail adapter is designed to nest over the existing AK iron sight assembly, utilizing the sight's side surfaces and mounting holes as the foundation structure. This nested configuration allows the rail system to be integrated within the existing sight housing without requiring separate mounting brackets or external attachment points
2Ease of operation
If a removable rail system is used, then ease of operation is improved, but reliability decreases
Solution Approach 1:
The pressure clamp mechanism provides dynamic adjustability, allowing the user to easily tighten or loosen the clamp to secure or remove the rail. The spring-loaded pressure clamp maintains constant engagement pressure on the iron sight assembly, ensuring reliable retention during operation while still allowing for quick removal when needed
Solution Approach 2:
The pressure clamp is pre-configured with spring tension that automatically engages when the rail is installed, eliminating the need for separate locking steps. The clamp is designed to self-tighten as the rail is pushed into place, ensuring immediate secure engagement without requiring additional user actions to ensure reliability
3Reliability
If brackets are designed to fit tightly over the iron sight assembly, then reliability is improved, but ease of manufacture worsens
Solution Approach 1:
The rectangular opening dimensions of the brackets are specifically designed to match the external dimensions of standard AK iron sight assemblies. By standardizing the bracket geometry to accommodate the common sight profile, the manufacturing process is simplified while ensuring a tight, reliable fit that engages properly with the sight's side surfaces and mounting holes
Data Source
AI summary
A removable rail for mounting over an AK iron sight assembly of an AK type rifle includes a pair of brackets that fit outer side surfaces of an AK iron sight assembly. At least one pressure clamp is disposed on a side of at least one bracket of the pair of brackets. When the pressure clamp is in an open position, the pair of brackets can be slid over the AK iron sight assembly for mounting or for removal. When the pressure clamp is in a closed position, the pair of brackets are held in a non-moving engagement with the outer side surfaces of the AK iron sight assembly. A fixed AK rail, another type of AK rail, and a method for adding a small arms accessory rail system to an AK rifle by mounting a rail over an AK iron sight assembly are also described.