Utility Knife Handle with Integrated Plumb Bob Alignment
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Solution Overview
Problem
Utility workers need to carry multiple tools for verifying the vertical alignment of utility poles, such as plumb bobs and carpenter's levels, which is inconvenient and inefficient.
Innovation Solution
A knife with a built-in plumb bob mechanism, featuring a pulley and string system integrated into the handle, allowing it to function as a plumb bob for verifying vertical alignment without additional tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If utility workers use traditional plumb bobs or carpenter's levels to verify vertical alignment, then measurement accuracy is achieved, but the number of tools to carry increases
Solution Approach 1:
The patent combines a plumb bob mechanism directly into the knife handle, merging two previously separate tools (knife and plumb bob) into a single integrated device. The handle contains a cavity with a pulley and string system that functions as a plumb bob when the knife is held vertically, eliminating the need to carry separate alignment tools.
Solution Approach 2:
The knife is designed to perform multiple functions: cutting (blade function) and vertical alignment verification (plumb bob function). The handle serves dual purposes as both the gripping structure for the knife and the housing for the plumb bob mechanism, allowing the single tool to replace multiple specialized tools.
2Adaptability or versatility
If utility workers carry multiple specialized tools for different functions, then task versatility is maintained, but ease of operation deteriorates due to handling multiple tools
Solution Approach 1:
The knife integrates multiple functions including cutting with the blade and vertical alignment verification with the built-in plumb bob mechanism. The handle cavity houses the pulley and string system that deploys when needed, allowing workers to perform both cutting and alignment tasks with a single tool rather than switching between multiple specialized tools.
Solution Approach 2:
The patent merges the knife and plumb bob into a single integrated tool. The handle structure incorporates the plumb bob mechanism, combining what were previously separate tools into one unified device that provides both cutting capability and vertical alignment verification in a single handle.
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 integrated plumb bob mechanism in the knife simplifies tool carrying by combining a utility knife with a plumb bob function, providing a convenient and efficient method to verify vertical alignment of structures.
Implementation Method 1
a pulley disposed in and rotatably connected to the second end of the housing; and a string connected to the pulley and configured to be stored on the pulley in a storage position and extend outwardly from the pulley in a use position
Data Source
AI summary
A knife is disclosed. The knife includes a housing having a first end and a second end; a blade connected to the first end of the housing; a pulley disposed in and rotatably connected to the second end of the housing; and a string connected to the pulley and configured to be stored on the pulley in a storage position and extend outwardly from the pulley in a use position.