Firearm Chamber Block with Visual Indicator for Safety
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Solution Overview
Problem
Existing firearm safety devices in retail environments are either costly, complex, interfere with inspection processes, or can be easily removed, failing to effectively indicate whether a firearm is unloaded and safe for handling across different calibers.
Innovation Solution
A resilient chamber block with a visual indicator that engages the firearm's case stop, preventing chambering of a cartridge and ensuring the firearm remains in a safe condition, combined with a removal tool to prevent unauthorized removal, and a flexible visual indicator extending past the muzzle for clear indication of safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a chamber blocking device is inserted to prevent cartridge chambering, then firearm safety is improved, but the device may interfere with inspection processes and increase complexity
Solution Approach 1:
The chamber block is divided into separate functional segments: a blocking portion that prevents cartridge chambering, a visual indicator portion that communicates safety status, and a removal tool portion that enables authorized removal. This segmentation allows each component to perform its specific function independently, reducing overall device complexity while maintaining safety effectiveness.
Solution Approach 2:
A visual indicator acts as an intermediary between the chamber block and the user, providing clear communication about the firearm's safety status without requiring complex mechanical indicators. The visual indicator serves as a simple mediator that translates the safety state into an easily understood visual signal, reducing the need for complex indication mechanisms.
2Loss of information
If a visual indicator is added to show safe condition, then safety indication is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The visual indicator utilizes color changes or color-coded indicators to communicate the safety status of the firearm. Different colors can indicate different states (e.g., green for safe, red for unsafe), providing clear information transmission through a simple and cost-effective visual mechanism that does not significantly increase device complexity.
Solution Approach 2:
The visual indicator creates a visual copy or representation of the safety state rather than requiring direct mechanical indication. This allows the safety status to be communicated through a simplified visual element that replicates the information without adding complex mechanical systems.
3Reliability
If the chamber block is made secure against removal, then safety reliability is improved, but ease of operation for authorized removal deteriorates
Solution Approach 1:
The removal tool is designed to work in conjunction with the chamber block from the beginning, with the tool's geometry pre-configured to match the chamber block's removal interface. This preliminary design ensures that authorized removal is straightforward when the proper tool is used, while maintaining security against unauthorized removal without requiring complex locking mechanisms.
Solution Approach 2:
The removal tool serves as an intermediary that provides a controlled method for removing the chamber block. The tool acts as a mediator between the user and the chamber block, enabling authorized removal through a simple interaction while maintaining the security and reliability of the installed state.
4Reliability
If existing safety devices are used, then safety function is provided, but manufacturing cost and complexity become prohibitive for mass use
Solution Approach 1:
The safety device is segmented into separately manufacturable components (chamber block, visual indicator, removal tool) that can be produced using standard manufacturing processes. This segmentation enables cost-effective mass production while maintaining the complete safety function, as each component can be optimized for its specific purpose and assembled efficiently.
Solution Approach 2:
The chamber block is designed with universal features that allow it to function across multiple firearm types and calibers. The standardized design elements and interchangeable components enable the same basic device to provide safety function in various applications, reducing manufacturing costs through economies of scale and eliminating the need for multiple specialized devices.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a cost-effective, easy-to-use firearm safety device that clearly indicates a safe condition without interfering with inspection and is secure against removal, suitable for mass use across various calibers, ensuring safety in retail environments.
Implementation Method 1
a resilient chamber block for being received in a chamber of a firearm, an internal area defined by inner walls of the chamber block for receiving a bullet of a cartridge so that when a bullet is received into the internal area, outer walls are biased outward
Data Source
AI summary
This invention is directed to a firearm safety device that has a chamber block for being received in a chamber of a firearm. An internal area is defined in the chamber block and can receive a bullet so that the bullet biases the outer walls outward. A visual indicator is attached to a distal end of the chamber block and is received in the bore of the barrel and extending outward past the muzzle providing a visual indication that the firearm is in a safe condition. In one embodiment, the chamber block can be inserted into the muzzle and the visual indicator extends through the barrel and chamber and out of the ejection port of magazine well. The visual indicator can be modifiable in length to accommodate various lengths of barrels and can be flexible.