Knurled Component Driving Shaft for Tight-Space Torque Transfer
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Solution Overview
Problem
Existing tools, such as pliers, often fail to effectively rotate components with knurling patterns in tight spaces without damaging surrounding items, and may not work in very small spaces or apply the necessary torque.
Innovation Solution
A tool with a partial cylindrical shaft featuring serrations that match the knurling pattern, allowing engagement and rotation of the component, and optionally beveled for tolerance in outer diameters, and additional features like notches for different components and driver compatibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pliers are used to rotate components with knurling patterns, then the component can be gripped and rotated, but surrounding items may be damaged and the tool may not work in very small spaces
Solution Approach 1:
The shaft is designed with a specific local geometry (partial cylinder with inner diameter less than the knurling outer diameter) that concentrates the gripping action only on the knurling pattern, preventing contact with and damage to surrounding items while maintaining effective rotation capability
2Ease of operation
If pliers are used to rotate components with knurling patterns, then the component can be gripped, but the necessary torque may not be applied
Solution Approach 1:
The partial cylindrical shape of the shaft provides a curved gripping surface that conforms to the knurling pattern, distributing the gripping force evenly around the component and enabling effective torque application without slipping
3Volume of moving object
If a shaft with inner diameter equal to knurling outer diameter is used, then the shaft can fit the component, but the shaft cannot engage the knurling pattern for rotation
Solution Approach 1:
The shaft's inner diameter is specifically designed to be less than the outer diameter of the knurling pattern, creating a localized interference fit that enables mechanical engagement and torque transmission while the shaft rotates the component
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
Enables efficient rotation of components with knurling patterns in tight spaces without damaging surrounding items and allows for precise torque application, accommodating various component sizes and types.
Implementation Method 1
Serrations in the shaft have a pattern that matches the knurling pattern, which allow the serration in the shaft to engage with the knurling pattern so that when the shaft is rotated, the component is rotated
Data Source
AI summary
A tool for driving a component with a knurling pattern around an outer surface of the component is provided. A shaft, with a first end, is in the form of at least a partial cylinder, where the at least partial cylinder has a first inner diameter that is less than an outer diameter of the knurling pattern. Serrations in the shaft have a pattern that matches the knurling pattern, which allow the serration in the shaft to engage with the knurling pattern so that when the shaft is rotated, the component is rotated.