Segmented Hand Guard Installation for Firearms Without Barrel Nut Removal
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Solution Overview
Problem
Existing hand guard installation methods for firearms often require disassembly of critical components, are cumbersome, and can disturb the firearm's aim or compatibility with accessories, especially for military and police personnel who lack the skills or authority to remove or adjust these components.
Innovation Solution
A method and assembly for installing a hand guard on a firearm that involves retracting the delta ring, positioning hand guard members around the barrel, and securing them to the barrel nut using a clamping mechanism, allowing for free-floating and rail system configurations without removing existing components like the barrel nut, delta ring, or front sight base.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing hand guard installation methods are used, then the hand guard can be secured to the firearm, but the installation requires disassembly of critical components like the barrel nut, delta ring, and front sight base
Solution Approach 1:
The hand guard is divided into multiple segments or sections that can be assembled in place around the barrel. This segmentation allows the hand guard to be installed without removing the barrel nut, delta ring, or front sight base, as the modular design enables step-by-step assembly around existing components rather than requiring complete disassembly.
Solution Approach 2:
The hand guard components are designed to nest around existing firearm components like the barrel nut and delta ring. The installation system incorporates elements that fit within or around the existing structure, allowing the hand guard to be attached without removing these critical components, effectively nesting the new hand guard within the existing firearm architecture.
2Reliability
If replacement hand guards are installed using attachment mechanisms, then the hand guard can be secured to the barrel nut, but the attachment mechanism is too large to fit between the barrel nut and delta ring
Solution Approach 1:
The attachment mechanism is divided into multiple smaller components that can fit within the limited space between the barrel nut and delta ring. Rather than using a single large clamping mechanism, the system employs segmented attachment elements that can be assembled in the confined space while still providing secure attachment.
Solution Approach 2:
The attachment mechanism utilizes the axial dimension along the barrel rather than only radial clamping. By extending attachment elements along the length of the barrel and using threaded or bayonet-style connections, the system achieves secure attachment without requiring a large radial profile that would interfere with the delta ring.
3Area of stationary object
If single-piece hand guards that encircle the barrel are used, then the hand guard provides complete coverage, but installing such a hand guard requires removing the front sight base and hand guard cap
Solution Approach 1:
The hand guard is divided into multiple sections or segments that can be assembled in place around the barrel. This segmentation allows each section to be installed independently without removing the front sight base or hand guard cap, while the segments are then connected to form the complete encircling hand guard.
Solution Approach 2:
The hand guard segments are pre-configured with connection features that allow them to be assembled in a specific sequence. By preparing the segments beforehand with appropriate mounting interfaces, the installation can proceed by simply adding and connecting segments rather than removing existing components like the front sight base.
4Reliability
If hand guards are installed by removing the delta ring, then the hand guard can be attached to the barrel nut, but the delta ring must be removed from the firearm
Solution Approach 1:
The attachment system is segmented into components that can be installed independently of the delta ring. Rather than using a single large attachment mechanism that requires delta ring removal, the system employs multiple smaller attachment points that can be secured around the barrel nut while the delta ring remains in place.
Solution Approach 2:
The invention introduces an intermediary attachment mechanism that connects the hand guard to the barrel nut without requiring delta ring removal. This intermediary system uses threaded rods, bayonet connectors, or other intermediate elements that bridge the hand guard and barrel nut, allowing attachment while leaving the delta ring intact as a mediator between the hand guard and the rest of the firearm.
Data Source
AI summary
Embodiments of the invention can include systems and methods for installing a hand guard on a firearm. In embodiments, a method of installing a hand guard on a firearm can be provided. The firearm includes a barrel, a barrel nut, and a delta ring. The delta ring is retracted away from the barrel nut. A number of hand guard members are positioned about the barrel. An annular groove associated with each hand guard member is mated with a portion of a flange of the barrel nut. The flange is secured within the annular groove of at least one hand guard member. The delta ring is advanced over a portion of some or all the hand guard members.