Knife Block Storage Slots With Integrated Blade Sharpeners
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Solution Overview
Problem
Users often fail to maintain their knife blades effectively due to lack of knowledge, skill, or reminders for sharpening, leading to dull edges and improper techniques, and existing solutions require user intervention and may not accommodate varying knife sizes and types.
Innovation Solution
A knife block with multiple storage slots, each equipped with a dedicated sharpener aligned to contact the blade when inserted or withdrawn, ensuring consistent sharpening across different knife sizes and types, eliminating the need for user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a knife block with integrated sharpeners is used, then knife edges are automatically sharpened with regular use, but the device complexity increases
Solution Approach 1:
The patent combines the knife storage block and sharpener into a single integrated unit. Each storage slot is equipped with an associated sharpener that automatically contacts the knife blade when the knife is inserted or withdrawn, merging two previously separate functions (storage and sharpening) into one unified device.
Solution Approach 2:
The sharpener is positioned to automatically contact the knife blade during insertion or withdrawal from the storage slot, enabling the knife to sharpen itself without requiring separate user action. The system uses the natural motion of placing or removing the knife to trigger the sharpening action.
2Manufacturing precision
If multiple dedicated sharpeners are provided for different knife sizes, then sharpening effectiveness is improved, but the manufacturing cost and complexity increase
Solution Approach 1:
The patent provides different sharpener configurations for different storage slots to match specific knife types and sizes. Each sharpener is tailored to the local requirements of its associated knife slot, ensuring optimal sharpening alignment and effectiveness for each knife size and type.
Solution Approach 2:
The knife block is divided into multiple independent storage slots, each with its own dedicated sharpener. This segmentation allows each slot-sharpener pair to be optimized independently for specific knife types while maintaining overall system functionality.
3Ease of operation
If automatic sharpening upon insertion/withdrawal is implemented, then user intervention is eliminated, but the risk of improper technique is transferred to the system design
Solution Approach 1:
The system automatically performs the sharpening action when the knife is inserted or withdrawn from the storage slot, eliminating the need for user knowledge or skill in sharpening technique. The mechanical design ensures proper contact between the sharpener and blade without requiring user intervention or skill.
Solution Approach 2:
The sharpener is pre-positioned in the storage slot at the correct angle and location to ensure proper contact with the knife blade. This preliminary setup eliminates the need for the user to determine or adjust the sharpening angle during operation.
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 solution ensures that knife edges are sharpened automatically with regular use, maintaining their effectiveness and reducing the risk of improper sharpening, while accommodating various knife sizes and types within the cutlery set.
Implementation Method 1
The first and second knife sharpeners are each positioned to contact a blade of a respective one of the first and second knives when inserted into or withdrawn from the first and second slots, respectively
Data Source
AI summary
A knife block is described that includes a block body and a block insert that is coupled to the block body. The block insert includes a sharpening element holder and a cap attached to the sharpening element holder. The cap and the sharpening element holder have matching geometry. The cap or the sharpening element holder comprises one or more pins and the other of the cap or the sharpening element holder comprises a corresponding number of holes, such that the pins are received within the holes to align the cap and the sharpening element holder. The first sharpening element and a second sharpening element form a V-shape having a first sharpener angle that is greater than a first blade edge angle of the first knife.