Pull-through Gun Cleaning Device with Double Coned Pressure Sections
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Solution Overview
Problem
Cleaning firearm barrels is challenging due to accumulated carbon and residue, requiring partial disassembly and existing cleaning tools have limitations in effectively reaching and removing debris from the barrel's interior.
Innovation Solution
A pull-through gun cleaning device featuring cylindrical double coned pressure sections with a tubular woven sheath and a cable member, designed to be inserted into the barrel, providing radial pressure and extending beyond the barrel end for efficient cleaning, with optional attachments for swabs, brushes, and scrapers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional swabbing and brushing tools are used to clean firearm barrels, then partial disassembly is required to access the barrel, but these tools fail to effectively reach and remove residue from the barrel's interior
Solution Approach 1:
The cleaning device is divided into multiple sections including a cable member, tubular woven sheath, and pressure sections that can be inserted through the barrel without disassembly. The segmented structure allows the cleaning tool to pass through the entire barrel length while maintaining cleaning contact with the interior surfaces.
Solution Approach 2:
The invention transitions from external swabbing/brushing to internal pull-through cleaning by inserting the cleaning device through the barrel bore. This dimensional change allows the cleaning tool to access and clean the interior surfaces directly, overcoming the limitation of external tools that cannot effectively reach inside the barrel.
2Productivity
If a pull-through cleaning device is inserted into the barrel, then cleaning contact with the barrel interior is improved, but the device must be compressed to fit through the bore
Solution Approach 1:
The pressure sections are made of compressible material that changes its dimensional parameters under compression. When inserted into the barrel, the sections compress radially to fit through the bore, then expand to provide cleaning contact with the interior surfaces. This parameter change allows the device to adapt to the barrel dimensions without complex mechanical mechanisms.
Solution Approach 2:
The tubular woven sheath and pressure sections are constructed from flexible materials that can be compressed radially during insertion and then expand to maintain cleaning contact. The flexible structure eliminates the need for complex spring-loaded or mechanically actuated expansion mechanisms while still providing the necessary adaptability to fit various barrel dimensions.
3Length of moving object
If the cleaning device is designed to fit through the barrel bore, then insertion is enabled, but the contact pressure with the barrel interior surface is reduced
Solution Approach 1:
The pressure sections are designed to be dynamically compressible, allowing them to be compressed during insertion and then expand within the barrel to generate cleaning contact pressure. The dual-cone geometry creates a mechanical advantage where the expanding sections naturally generate radial outward force against the barrel interior surfaces as they return to their uncompressed state.
Solution Approach 2:
The double-cone (biconical) geometry of the pressure sections creates a curved, tapered structure that naturally generates radial outward pressure when compressed axially during insertion. The conical surfaces convert axial compression force into radial expansion force, providing effective cleaning pressure against the barrel interior without requiring additional mechanical pressure generation mechanisms.
4Productivity
If multiple pressure sections are used to improve cleaning coverage, then the device length increases, but the cable member must be threaded through multiple sections
Solution Approach 1:
The cable member serves multiple functions: it provides structural support, enables pull-through operation, and threads through all pressure sections to maintain their alignment. This universal component simplifies the overall assembly structure by using a single element to accomplish multiple tasks rather than requiring separate mechanisms for each function.
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 device provides superior contact with the barrel's interior, effectively removing residue and debris with reduced need for user effort, suitable for various barrel types and sizes, and can be adapted for cleaning other tubular members.
Implementation Method 1
each of said plurality of cylindrical double coned pressure sections is intended to be compressed by insertion into said bore of said barrel to provide a radial force pressing the tubular woven sheath
Implementation Method 2
provide a radial force pressing the tubular woven sheath of each cylindrical double coned pressure section against an inside surface or a rifling of the barrel
Data Source
Figure 1
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AI summary
A pull through gun cleaning device includes a plurality of cylindrical double coned pressure sections having a longitudinal tunnel disposed therein. A cable member is threaded through the tunnel of each cylindrical double coned pressure section. A tubular woven sheath is disposed over each cylindrical double coned pressure section disposed along the cable member, and the cable member to form a pull cord. A total length of the pull cord is configured such that where the plurality of cylindrical double coned pressure sections are inserted into one end of a barrel, the pull cord extends past another end of the barrel. Each of the plurality of cylindrical double coned pressure sections provides a radial force pressing the tubular woven sheath of each cylindrical double coned pressure section of the plurality of cylindrical double coned pressure sections against an inside surface or a rifling of the barrel.