Manual Skate Blade Sharpening Tool with Segmented Channel
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Solution Overview
Problem
Existing hand sharpening tools for skate blades lack precision and efficiency in maintaining the unique geometry of skate blades, particularly in manual sharpening processes, which can lead to reduced performance and flexibility in choosing hollow profiles and bite angles.
Innovation Solution
A manual blade sharpening tool with a longitudinally extending channel and a longitudinally extending cutter, featuring a cutter pocket and a transverse cutter surface, allows for precise adjustment and asymmetrical engagement of the cutter profile to maintain the specific geometry of skate blades, enabling the user to choose preferred hollow profiles and bite angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the entire blade surface is sharpened simultaneously, then the sharpening process is simplified, but precision and accuracy are reduced
Solution Approach 1:
The blade sharpening process is segmented into two distinct operations: first sharpening one edge, then the other edge. This is achieved by positioning the blade in a channel with the first edge exposed for sharpening, then repositioning to sharpen the second edge. This segmentation maintains precision while keeping the process simple and manageable.
Solution Approach 2:
The blade repositioning mechanism allows dynamic adjustment of the blade orientation within the channel. The blade can be rotated or repositioned to expose different edges to the sharpening surface, enabling precise control over which edge is being sharpened while maintaining ease of operation through a flexible, adaptable system.
2Productivity
If powered sharpening tools are used for skate blades, then sharpening efficiency is improved, but operator skill requirement increases
Solution Approach 1:
The manual sharpening tool is designed to be self-guiding through the channel structure that positions and guides the blade during sharpening. The channel walls and positioning features automatically ensure correct blade orientation and contact with the sharpening surface, eliminating the need for skilled operator intervention while maintaining high sharpening efficiency.
Solution Approach 2:
The channel structure acts as an intermediary between the operator and the blade sharpening process. It mediates the interaction by providing fixed geometric references and positioning mechanisms that translate simple operator actions into precise sharpening operations, reducing the skill gap between novice and expert users.
3Ease of operation
If manual sharpening tools are used, then operator skill requirement is reduced, but precision and efficiency are insufficient
Solution Approach 1:
The channel geometry is designed with specific parameters (width, depth, angle) that precisely control the blade positioning and sharpening angle. By carefully selecting these geometric parameters, the tool achieves professional-grade precision while remaining a simple manual device that does not require advanced operator skills.
Solution Approach 2:
The blade is pre-positioned in the channel at the correct orientation before sharpening begins. The channel structure预先 establishes the proper blade angle and position, so that when the operator applies the sharpening force, the precision is already built into the system setup, eliminating the need for skilled real-time adjustments.
4Manufacturing precision
If specialized sharpening equipment is used, then blade geometry precision is maintained, but device complexity increases
Solution Approach 1:
The channel structure serves multiple functions simultaneously: it positions the blade, guides the sharpening motion, maintains the correct angle, and supports the blade during repositioning. This multi-functionality consolidates what would otherwise require multiple separate specialized devices into a single simple tool, maintaining precision while reducing complexity.
Solution Approach 2:
The positioning features, guiding surfaces, and sharpening support functions are merged into a single integrated channel structure. This consolidation eliminates the need for multiple separate adjustment mechanisms and positioning devices, achieving professional-grade geometry maintenance through a unified, simple design.
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 tool provides a precise and efficient method for reshaping and restoring the working edge of skate blades, allowing for customizable sharpening that matches professional equipment standards without requiring extensive training or specialized tools.
Implementation Method 1
known hand sharpening tools have been developed that involve the removal of skate blade material through abrasion
Data Source
AI summary
In at least one embodiment, the present invention discloses a manual blade sharpening tool having a longitudinally extending at least partial channel defined by a longitudinally extending first channel wall, a cutter pocket and a distal planar guide surface located in the longitudinally extending first channel wall, and a longitudinally extending cutter having a longitudinally extending first cutter wall, a longitudinally extending second cutter wall and a transverse cutter surface, the transverse cutter received in the cutter pocket such that one of the longitudinally extending first cutter wall and the longitudinally extending second cutter wall abuts the cutter pocket.