Foldable Keyboard Cover Storage for Dust Protection

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Solution Overview

Problem

Conventional keyboard covers for electronic musical instruments either increase the weight and size of the instrument when integrated or are cumbersome and difficult to store when removable, leading to issues like dust accumulation and potential instrument malfunctions.

Innovation Solution

A keyboard cover with a foldable design featuring a handle, front hanging portion, and locking pieces that can be folded compactly and stored using a hook on the instrument, allowing easy retrieval and protection of the keyboard.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a lid is provided integrally with the instrument body to cover the keyboard, then the keyboard is protected from dust, but the weight and size of the instrument body increase

Engineering Contradiction:
Improvedust protectionVSAvoidinstrument body weight
Core Design Contradiction:
Object-affected harmful factorsVSWeight of moving object

Solution Approach 1:

The cover is divided into a removable fabric keyboard cover and a separate hard shell case, allowing the keyboard to be protected from dust by the fabric cover while the shell case stores the cover without adding integral weight to the instrument body

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The protective cover function is extracted from the instrument body structure and implemented as a separate removable fabric cover, eliminating the need for an integrated lid that would increase the instrument's weight and size

Inventive Principle:
Principle #2Taking out (Extraction)

2Weight of moving object

If a removable fabric keyboard cover is provided to protect the keyboard, then the instrument body weight is not increased, but it is difficult to store the cover quickly and conveniently

Engineering Contradiction:
Improveinstrument body weightVSAvoidcover storage convenience
Core Design Contradiction:
Weight of moving objectVSEase of operation

Solution Approach 1:

The fabric keyboard cover and hard shell case are combined into a single storage system where the cover fits inside the case, providing both weight advantage and convenient storage by integrating two protective elements into one portable unit

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The hard shell case acts as an intermediary storage container for the fabric keyboard cover, enabling quick and convenient storage by simply placing the cover into the case rather than finding a separate storage location

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If the keyboard cover is placed on the floor for storage, then storage space is utilized, but the cover may become dirty and transfer dirt to the instrument body

Engineering Contradiction:
Improvestorage accessibilityVSAvoidcontamination risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The hard shell case converts the potential harm of floor storage into a benefit by providing a protective barrier that prevents the fabric cover from contacting dirty surfaces, while still allowing the cover to be easily accessible when needed

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

4Volume of moving object

If the keyboard cover is designed to fold compactly, then storage space is reduced, but the structural complexity increases

Engineering Contradiction:
Improvecover storage volumeVSAvoidcover structure complexity
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The fabric keyboard cover utilizes flexible material properties to enable compact folding and rolling without requiring rigid structural elements, achieving reduced storage volume while maintaining simple construction

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentUS12531043B2Keyboard cover, storing method of keyboard cover, and electronic musical instrument
Publication Date: 2026.01.20 CASIO COMPUTER CO LTD
  • US12531043B2 patent drawing
  • US12531043B2 patent drawing
  • US12531043B2 patent drawing

AI summary

Disclosed is a keyboard cover including: an upper surface cover that is able to cover an upper surface of an instrument body including a keyboard; a front hanging portion that is provided at a front end of the upper surface cover so as to be able to turn into a folded-in state of overlapping with the upper surface cover and that is able to hang down so as to cover a front end surface of the keyboard; and a handle that is provided to the front hanging portion so as to extend in a longitudinal direction of the instrument body and is able to be bent to be deformed. The keyboard cover is able to be turned into a storable state by maintaining, with the handle, a state in which the entire keyboard cover is made compact.