Firearm Grip Knife with Detachable Nesting Mechanism
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Solution Overview
Problem
Modern bayonets attached to firearms are heavy, impairing accuracy and are falling out of favor for use by militaries, hunters, and home defense operators, as they hinder precise firearm operation and require carrying separate knives for close encounters.
Innovation Solution
A knife designed to be partially positioned within a firearm's grip, featuring a detachable attachment mechanism that allows quick removal and integration with the firearm's grip without adding substantial weight, including a blade body, handle attachments, and a guard with an ergonomic finger support structure and male detent mechanism for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bayonet is attached to the end of a rifle, then a sharp object is available for close-combat situations, but the weight impairs the operator's ability to fire the weapon accurately
Solution Approach 1:
The knife is nested within the hollow interior of the firearm grip, with the blade body positioned inside the grip cavity and the handle extending along the grip's exterior. This nesting approach allows the knife to be integrated into the firearm structure without adding external weight or bulk, resolving the contradiction between having a sharp object available and maintaining firearm accuracy.
Solution Approach 2:
Instead of attaching the knife to the end of the rifle (one-dimensional extension), the knife is positioned within the three-dimensional interior space of the grip. This dimensional change allows the knife to be integrated into the existing grip structure, providing close-combat capability without the weight penalty of a traditional bayonet.
2Weight of moving object
If a knife is carried in a hilt or pocket for close encounters, then accuracy is maintained, but quick access during encounters is compromised
Solution Approach 1:
The knife and firearm grip are merged into a single integrated unit, with the knife positioned within the grip's interior and the handle extending along the grip's exterior. This merging allows the operator to access the knife immediately during close encounters without separating it from the firearm, eliminating the time loss associated with retrieving a separately carried knife while maintaining accuracy.
3Ease of operation
If a detachable attachment mechanism is used, then quick removal is enabled, but device complexity increases
Solution Approach 1:
The attachment mechanism uses a detent system with resilient members that can be dynamically engaged or disengaged. The detents normally hold the knife securely in the grip, but can be quickly released by applying lateral force to the handle. This dynamic design provides quick removal capability while keeping the mechanism simple and reliable.
Data Source
AI summary
Disclosed are various embodiments for a knife configured to be positioned, at least partially, within a grip of a firearm. The knife may include a blade body having a first blade side and a second blade side. The blade body may include a base and a knife edge portion. The knife may further include a handle portion. The handle portion may include the base of the blade body, a first handle attachment coupled to the base on the first blade side, and a second handle attachment coupled to the base on the second blade side. The knife may include an attachment mechanism for positioning at least the knife edge portion within an interior of the grip of the firearm.