Adjustable Angle Guide for Knife Sharpening
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Solution Overview
Problem
Existing sharpening tools with fixed angle guides are inconvenient and cost-ineffective, as they require multiple tools for different knives and cannot be easily repositioned or adjusted to match the height of various sharpening surfaces, leading to inefficiencies in sharpening and storage.
Innovation Solution
An angle reference apparatus with adjustable angle guides that can be placed on a base or adjacent to a sharpening tool, allowing for multiple angle settings from 0 to 89 degrees, and featuring anti-slip materials and elastic bands for secure positioning, enabling users to choose the appropriate angle for each knife and adjust height to match the sharpening surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixed angle guides are used in sharpening tools, then the sharpening angle is consistent and reliable, but multiple tools are needed for different knives and storage space increases
Solution Approach 1:
The angle guide is made adjustable rather than fixed, allowing users to change the angle setting according to different knife types. The guide includes an adjustable guide surface that can be repositioned to provide different sharpening angles while maintaining angle consistency for each setting, thus resolving the contradiction between reliability and adaptability.
Solution Approach 2:
The angle guide is divided into multiple guide surfaces with different predetermined angles, where each guide surface can be independently positioned and used. This segmentation allows a single tool to handle multiple knife types by selecting the appropriate guide surface, eliminating the need for multiple separate tools.
2Device complexity
If fixed angle guides are used in sharpening tools, then the structure is simple, but the tools cannot be repositioned when the sharpening surface is worn out
Solution Approach 1:
The angle guide is designed with movable and adjustable components rather than fixed attachments. The guide surface can be repositioned along the sharpening tool, and the adjustment mechanism allows the guide to be relocated when the sharpening surface wears out, maintaining adaptability while keeping the overall structure relatively simple.
Solution Approach 2:
The position and angle parameters of the guide surface can be changed according to different sharpening needs. The guide includes adjustment mechanisms that allow users to modify the guide's position and orientation, enabling repositioning when the sharpening surface deteriorates without requiring a completely new tool.
3Device complexity
If traditional fixed height angle guides are used, then the structure is simple, but it is inconvenient when sharpening surfaces are at different heights
Solution Approach 1:
The angle guide incorporates adjustable height mechanisms that allow the guide surface to be positioned at different vertical levels. This dynamic adjustment capability enables the guide to accommodate sharpening surfaces at various heights, improving ease of operation while maintaining a relatively simple overall structure through modular design.
Data Source
AI summary
An angle reference apparatus for sharpening a blade on a sharpening surface of a sharpening tool comprises at least one angle guide having a guide surface and a bottom surface, wherein the guide surface has a predetermined angle between about 0 degrees to about 89 degrees relative to the bottom surface; and at least one base; wherein the at least one angle guide can be disposed on the at least one base; wherein the base can be disposed on the sharpening surface or alternatively the base can be disposed on a surface adjacent to the sharpening tool; wherein the blade can be placed on the guide surface of the angle guide; wherein the angle reference apparatus is substantially stationary to the sharpening surface when the blade is moved on the sharpening surface.