Adjustable Length Wrench Handle with Segmented Design
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Solution Overview
Problem
Craftsmen face difficulties in tightening or untightening bolts or pipes due to the weight and cost associated with long handles, which are inconvenient for light load applications but necessary for heavy load jobs, necessitating a flexible tool with an adjustable length.
Innovation Solution
A hardware tool system with a handle and hollow tube featuring an adjustment pin, ratchet, and interchangeable wrench heads, allowing for adjustable length and independent or combined use of components for versatile handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a long handle is used to tighten or untighten bolts or pipes, then the leverage and effectiveness of the tool is improved, but the weight and cost of the hardware increases
Solution Approach 1:
The handle is divided into two separate components: a first handle and a second handle that can be connected together. This segmentation allows the user to select the appropriate handle length for different tasks - using only the first handle for light loads and combining both handles for heavy loads requiring extended leverage.
Solution Approach 2:
The handle system transitions from a static fixed-length design to a dynamic adjustable-length configuration. The connection mechanism between the first and second handles allows the effective handle length to be changed based on the specific task requirements, providing flexibility in the tool's configuration.
2Force
If a long handle is used for heavy load jobs, then the leverage and effectiveness is improved, but the convenience for light load applications deteriorates
Solution Approach 1:
By separating the handle into a first handle and a second handle, the system allows users to employ only the first handle for light load applications, maintaining ease of operation and portability. The second handle can be attached when extended leverage is needed for heavy loads.
Solution Approach 2:
The first handle serves multiple functions: it can be used independently for light load tasks and can be combined with the second handle to form a longer handle for heavy load tasks. This multi-functionality eliminates the need for separate tools for different load requirements.
3Ease of manufacture
If a fixed length handle is used, then the manufacturing simplicity is maintained, but the adaptability to different applications deteriorates
Solution Approach 1:
The handle is segmented into a first handle and a second handle that can be connected through a specific mechanism. This segmentation enables the tool to adapt to different applications by allowing or disallowing the connection of the second handle, while maintaining relatively simple manufacturing processes for each individual component.
Solution Approach 2:
The handle system incorporates a dynamic connection mechanism that allows the effective length to be adjusted based on application requirements. This dynamic capability provides adaptability to various tasks while keeping the individual components manufacturable using standard processes.
Data Source
AI summary
The present invention features a hardware tool with adjustable length separable into two independent tools. The device includes a handle with an adjustment pin disposed on the exterior of the handle and a hollow tube with a plurality of holes aligned and disposed on the exterior of the tube. A ratchet fixedly attached to the tube, wherein the ratchet comprises a ratchet key and a push latch to change the allowable rotation direction. An open-end wrench or a pipe wrench head is removably attached to the handle, wherein the wrench comprises a hardware head and a socket adapter, wherein the socket adapter is adaptive to snuggly fit into a locking collar disposed on the handle.