Pivotable Blade Sharpener Assembly with Damping
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Solution Overview
Problem
Existing blade sharpeners lack a compact and versatile design that allows for easy storage and multiple sharpening configurations, limiting their usability and convenience.
Innovation Solution
A blade sharpening device with a pivotable assembly comprising arms with different abrasive surfaces, which can be configured for stowed and operational positions, featuring a housing with receivers for supporting the assembly and allowing selection of grit levels for sharpening, along with a pivot damper to control movement and protective features to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the blade sharpener assembly is designed with multiple arms and abrasive surfaces for versatile sharpening, then the adaptability and versatility improve, but the device complexity increases
Solution Approach 1:
The blade sharpener assembly is divided into multiple independent arms (first arm, second arm, third arm, fourth arm) that can be independently positioned and configured. Each arm contains separate abrasive sharpening surfaces that can be selectively engaged, allowing versatile sharpening configurations without requiring a single complex monolithic structure.
Solution Approach 2:
The multiple arms and abrasive surfaces are designed to handle various blade types and sharpening requirements through a single assembly. The first and second arms provide one configuration mode while the third and fourth arms provide another, enabling the device to universally sharpen different blade geometries and angles.
2Ease of operation
If the blade sharpener assembly is designed to be pivotable for operational configurations, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The blade sharpener assembly incorporates pivot connections that allow the arms to be dynamically repositioned between stowed and operational configurations. This dynamic capability enables users to easily adjust the assembly for different sharpening tasks while maintaining a compact form when not in use.
Solution Approach 2:
In the stowed configuration, the arms are positioned nested alongside each other within the housing interior. This nesting arrangement allows the complex multi-arm assembly to be compactly stored when not in use, while still providing full operational flexibility when deployed.
3Reliability
If the blade sharpener assembly is designed with protective features and pivot dampers, then the reliability improves, but the device complexity increases
Solution Approach 1:
A pivot damper is incorporated into the pivot connection to provide controlled damping of the arms during movement. This beforehand cushioning prevents sudden impacts or drops that could damage the abrasive surfaces or other components, enhancing reliability without requiring complex protective structures.
Solution Approach 2:
Protective features are designed into the assembly to prevent damage before it occurs. The pivot damper and protective structures counteract potential harmful effects (impacts, misalignment, accidental drops) before they can damage the sharpening surfaces or mechanical components.
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 sharpening with adjustable grit levels, compact storage, and secure positioning, enhancing user convenience and sharpening precision while preventing accidental damage to the blade.
Implementation Method 1
a pivot damper to control movement and protective features to prevent damage
Data Source
AI summary
A sharpening device, components thereof, and associated methods. The sharpening device includes a sharpening assembly and a housing. The sharpening assembly is selectively receivable in the housing in a stowed configuration and supportable by the housing in an operational configuration to support the sharpening assembly for sharpening a blade. The sharpening assembly can include first and second arms having respective abrasive sharpening surfaces pivotable away from each other about a pivot connection.