Variable-Width Hoof Rasp for Easier Start and Higher Throughput
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Solution Overview
Problem
Traditional hoof rasps require significant strength to initiate rasping due to their constant width and weight distribution, leading to inefficiencies and increased physical strain, while wider rasps are cumbersome and heavier, and thinner ones lack productivity.
Innovation Solution
A hoof rasp design featuring a narrowed initial stroke area with fewer teeth for easier starting, transitioning to a wider, more productive central section with standard teeth for efficient rasping, balancing weight and reducing physical effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rasp has a constant width and standard teeth density, then productivity is maintained, but significant strength is required to initiate rasping
Solution Approach 1:
The rasp blade features variable width along its length: a narrower first portion (44.5mm) for initiating rasping with reduced force, and a wider second portion (53mm) for intensive work. This local variation in geometry allows each section to be optimized for its specific function, resolving the contradiction between ease of initiation and productivity.
2Productivity
If the rasp is made wider to increase productivity, then more teeth are provided, but weight increases and physical strength requirement increases
Solution Approach 1:
Instead of making the entire rasp wider, only the second portion is widened to 53mm while the first portion remains at 44.5mm. This localized widening provides more teeth for intensive work without proportionally increasing the overall weight, as the narrower first portion compensates for the weight increase.
Solution Approach 2:
The rasp blade is segmented into two distinct portions with different widths: a narrower first portion for initiation and a wider second portion for productivity. This segmentation allows the tool to achieve high productivity in the working section without the entire tool becoming excessively heavy.
3Weight of moving object
If the rasp is made thinner to reduce weight, then ease of use is improved, but productivity decreases due to fewer teeth
Solution Approach 1:
The second portion of the rasp is made wider (53mm) to provide more teeth for intensive rasping work, compensating for the reduced thickness. This local widening ensures that productivity is maintained in the working section even though the overall rasp is kept thinner for reduced weight.
4Ease of operation
If the rasp has a narrow width, then weight is reduced and ease of use is improved, but productivity decreases
Solution Approach 1:
The rasp features a narrow first portion (44.5mm) for ease of initiation and handling, and a wider second portion (53mm) for intensive productivity. This local variation allows the tool to be easy to use during initiation while maintaining high productivity during the main rasping work.
Data Source
Figure 1~4
AI summary
The invention relates to a hoof rasp (1) for filing/rasping and tidying the hoof of a horse, comprising at least one rasping side provided with a rasping section (2) with length L and width W between a rasp-free first and second end (3, 4) over a respective length L1 and L2, whereby the first end (3) tapers into a tang (5) intended for a handle and the second end (4) is for holding the hoof rasp (1), whereby the rasping section (3), toward the second end (4), comprises a narrowed area (6). The invention also relates to a method for filing/rasping a hoof with such a hoof rasp.