Pivoting Line Nut Remover for Confined-Space Connections
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Solution Overview
Problem
Traditional wrenches require multiple tools and are cumbersome for loosening and tightening line nuts in confined spaces, leading to increased effort, risk of damage, and personal injury, and lack adaptability to various sizes and types of connections.
Innovation Solution
A single, compact line nut remover with pivotally connected links that apply opposing forces for tightening or loosening line nuts, adaptable to different sizes and types, allowing operation in confined spaces without multiple wrenches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional wrenches are used to loosen and tighten line nuts, then the task can be completed, but multiple tools are required and the operation becomes cumbersome
Solution Approach 1:
The patent combines two separate wrenches into a single integrated tool. The first and second links are pivotally connected to form a unified structure that performs both tightening and loosening functions, eliminating the need for multiple separate tools and reducing operational complexity
Solution Approach 2:
The line nut remover is designed as a universal tool that can perform multiple functions: tightening line nuts, loosening line nuts, and adapting to various nut sizes and types through adjustable link configurations. This multi-functionality replaces the need for multiple specialized tools
2Force
If multiple wrenches are used to loosen line nuts, then sufficient force can be applied, but the physical effort and time required increase significantly
Solution Approach 1:
The tool is pre-configured with pivotally connected links that are positioned and oriented to apply force directly to the line nut. The user simply needs to apply a single twisting motion to the drive receiver, and the linkage mechanism automatically positions itself to deliver the necessary force, eliminating the need for preliminary positioning of multiple tools
Solution Approach 2:
The pivotal linkage mechanism ensures continuous and efficient force transmission from the drive receiver directly to the line nut. The geometric configuration of the links maintains optimal force application throughout the rotational motion, eliminating the interruptions and adjustments required when using multiple separate wrenches
3Ease of operation
If traditional wrenches are used in confined spaces, then the task can be performed, but the tool size and maneuverability become problematic
Solution Approach 1:
The tool is segmented into multiple links of varying lengths that can be independently adjusted. The first link extends from the drive receiver to the first offset socket, while the second link connects to the second offset socket. This segmentation allows the tool to be configured with optimal lengths for confined spaces while maintaining sufficient leverage
Solution Approach 2:
The links are pivotally connected, creating a dynamic structure that can adapt its configuration based on the working space constraints. The pivot joint allows the links to move relative to each other, enabling the tool to maneuver in confined spaces while maintaining the necessary mechanical advantage for tightening and loosening operations
4Adaptability or versatility
If a single tool is designed to be adaptable to various sizes and types of connections, then versatility is improved, but the tool design becomes more complex
Solution Approach 1:
The offset sockets are made adjustable and repositionable along the links, allowing the tool to adapt to various nut sizes and connection types. The pivot joint enables dynamic reconfiguration of the tool geometry, providing versatility without requiring multiple specialized tools
Solution Approach 2:
The tool is designed with universal applicability through adjustable offset sockets that can engage with different nut sizes and types. The same basic linkage structure serves multiple functions across various applications, from automotive to industrial hydraulic systems, eliminating the need for specialized tools for different connection types
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
Reduces physical effort, minimizes damage and injury risk, and enhances operational safety and efficiency by enabling single-action loosening and tightening of line nuts in hydraulic and fluid systems.
Implementation Method 1
a pair of linkages pivotally connected provides for pivotal movement that is capable of tightening the line nut or loosening the line nut depending on the application of a twisting force to the drive receiver
Implementation Method 2
The line nut remover is configured to reduce the physical effort required from the user, minimize the risk of component damage or personal injury
Data Source
AI summary
A line nut remover is provided. The line nut remover includes two linkages connected to each other and each linkage has tight clearance offset sockets, also known as “crows foot wrenches.” One of the linkages includes a drive receiver able to receive a torque. When each offset socket is engaged with a line nut, the configuration of the line nut remover enables a first force applied to the drive receiver to loosen at least one of the line nuts in a single actuation. Simultaneously, the application of an opposing second force is able to cause the tightening of at least one of the line nuts. The line nut remover eliminates the need for multiple wrenches to be used simultaneously to tighten or loosen line nuts. This tool is particularly advantageous for mechanics and pipefitters working with various line connections in confined spaces where traditional tools are impractical.