Fish Scaling Tool with Replaceable Segmented Scrapers

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Solution Overview

Problem

Existing fish scaling methods are inefficient, requiring multiple passes and often using serrated knives that can be cumbersome, failing to provide a reliable and cost-effective solution for removing fish scales.

Innovation Solution

A hand tool with elongated body having scraping blades on two sides, where one side features larger blades for bigger fish and smaller blades for smaller fish, designed for quick and efficient scale removal, with replaceable serrated circular edges and a buoyant handle for convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional serrated knives are used for fish scaling, then scales can be removed, but multiple passes are required and the process is time-consuming

Engineering Contradiction:
Improvescaling efficiencyVSAvoidtime for scaling process
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The fish scaler is divided into multiple independent scraping elements (three scraping elements per side) arranged in a triangular pattern. Each element can independently contact and remove scales from different areas of the fish simultaneously, allowing one pass to replace what previously required two or three passes with a traditional single-element knife

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple scraping elements are combined into a single tool head that attaches to the elongated body. The elements work together in coordination during a single scaling pass, merging their functions to achieve complete scale removal in one operation rather than requiring sequential passes with a single element

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If a single fish scaler design is used, then the tool is simple, but it cannot efficiently handle fish of various sizes

Engineering Contradiction:
Improveaccommodation of various fish sizesVSAvoidtool design complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The fish scaler is designed with two sides, each containing three scraping elements of different sizes. This multi-functional design allows the same tool to effectively scale fish of various sizes by selecting the appropriate side and scraping element size, making the tool universally applicable rather than size-specific

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The scraping elements on each side are arranged asymmetrically in a triangular pattern with varying sizes. One side has larger scraping elements suited for bigger fish, while the other side has smaller elements for smaller fish. This asymmetric design optimizes performance for different fish sizes without requiring multiple separate tools

Inventive Principle:
Principle #4Asymmetry

3Ease of repair

If fixed blades are used in the fish scaler, then the structure is simple, but worn blades cannot be replaced

Engineering Contradiction:
Improveblade replacement capabilityVSAvoidcoupling mechanism complexity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The coupling mechanism between the scraping elements and the elongated body is designed to be dynamic rather than fixed. The twist-lock coupling allows the scraping elements to be easily attached and detached by rotating them, providing a simple yet effective means of replacement that maintains structural integrity during use but allows quick changes when blades wear

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS9380795B1Fish scaling systems
Publication Date: 2016.07.05 ANDERSON PAULINE
  • US9380795B1 patent drawing
  • US9380795B1 patent drawing
  • US9380795B1 patent drawing

AI summary

The fish scaling system is a device having an elongated body with a first side and a second side and a proximate end and a distal end. The proximate end forms a handle and the distal end has three large circular serrated scrapers on the first side and three small circular serrated scrapers on the second side for removing scales from a fish. The large and small circular scrapers are replaceable when they become worn.