Scientific Calculator Cover Component With Integrated Protrusion

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Solution Overview

Problem

The provision of a soft material like a rubber foot separately from the cover component increases the cost of protecting an electronic apparatus.

Innovation Solution

A cover component with a protrusion that abuts on a fastening member exposed on the back surface of the electronic apparatus, eliminating the need for a separate soft material.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a soft material such as a rubber foot is attached separately to the protrusion, then the electronic apparatus is protected from scratching, but the cost increases

Engineering Contradiction:

Improvescratch protectionVSAvoidmanufacturing cost

Core Design Contradiction:

Object-affected harmful factorsVSEase of manufacture

Solution Approach 1:

The patent integrates the soft material directly into the protrusion structure, merging two previously separate components (the protrusion and the soft material) into a single integrated element. This eliminates the need for separate attachment of rubber feet while maintaining scratch protection functionality and reducing manufacturing cost.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent employs composite material construction where a soft material is incorporated into the protrusion structure, creating a composite element that combines the structural function of the protrusion with the protective function of the soft material. This allows the protrusion to provide both mechanical support and scratch protection simultaneously.

Inventive Principle:

Principle #40Composite materials

2Object-affected harmful factors

If a soft material such as a rubber foot is attached separately to the protrusion, then the electronic apparatus is protected from scratching, but the device complexity increases

Engineering Contradiction:

Improvescratch protectionVSAvoidcomponent quantity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent merges the protective soft material with the protrusion structure into a single integrated component, reducing the total number of parts from two separate elements (protrusion plus rubber foot) to one unified structure, thereby simplifying the overall device complexity.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The integrated protrusion structure performs multiple functions simultaneously: it provides mechanical support for the electronic apparatus and incorporates the soft material to prevent scratching. This multi-functionality eliminates the need for separate dedicated protective components.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250315403A1Cover component and electronic apparatus

Publication Date: 2025.10.09 CASIO COMPUTER CO LTD

AI summary

A cover component is disposed at a position to abut on at least one fastening screw exposed on a back surface of a scientific calculator when the cover component is attached to the back surface of the scientific calculator.