Duvet Cover Panel Segmentation for Solo Insertion and Removal

Solution Overview

Problem

The existing duvet covers are cumbersome and difficult to use, requiring two people to insert or remove a duvet, leading to inefficiency and potential hygiene issues due to their sealed and restrictive design.

Innovation Solution

A duvet cover design featuring a top and bottom fabric panel with a closed head edge, partial side joins forming an end pocket, and a composite fabric panel at the foot edge to create secure insertion points, along with closable fastening devices and clipping accessories to keep the duvet in place, facilitating easy insertion and removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a sealed and restrictive duvet cover design is used, then the duvet is securely held in place, but the insertion and removal of the duvet becomes arduous and time-consuming

Engineering Contradiction:

Improveduvet security in coverVSAvoidduvet insertion and removal

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The duvet cover is segmented into multiple panels (first panel, second panel, third panel) with distinct functional zones. The first and second panels form the main body with envelope ends, while the third panel creates a separate pocket at the foot end. This segmentation allows different portions of the cover to serve different purposes: secure containment versus easy access for insertion/removal.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention extracts the fastening function from the entire perimeter of the duvet cover and concentrates it only at the foot end through the closable fastening device on the third panel. The head end and side edges remain open or partially joined, creating extraction points that allow the duvet to be easily inserted and removed while maintaining security elsewhere.

Inventive Principle:

Principle #2Taking out (Extraction)

2Reliability

If a sealed and restrictive duvet cover design is used, then the duvet is securely held in place, but the operation requires two people and creates hygiene issues

Engineering Contradiction:

Improveduvet security in coverVSAvoidoperation efficiency

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The duvet cover is segmented into multiple panels (first panel, second panel, third panel) with distinct functional zones. The first and second panels form the main body with envelope ends, while the third panel creates a separate pocket at the foot end. This segmentation allows different portions of the cover to serve different purposes: secure containment versus easy access for insertion/removal.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The design enables single-person operation by providing easy access points that allow one person to manipulate the duvet cover independently. The envelope ends and the foot end pocket with fastening device can be opened and closed by one person, eliminating the need for two people to work together and reducing the time and effort required for the task.

Inventive Principle:

Principle #25Self-service

3Device complexity

If a traditional duvet cover design is used, then the structure is simple, but the insertion process requires stuffing and shoving the duvet

Engineering Contradiction:

Improvecover structureVSAvoidduvet insertion process

Core Design Contradiction:

Device complexityVSEase of operation

Solution Approach 1:

The duvet cover is segmented into multiple panels (first panel, second panel, third panel) with distinct functional zones. The first and second panels form the main body with envelope ends, while the third panel creates a separate pocket at the foot end. This segmentation allows different portions of the cover to serve different purposes: secure containment versus easy access for insertion/removal.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The envelope ends are pre-formed by joining the side edges of the first and second panels, creating ready-made insertion points at the head end. The third panel is pre-attached to form a pocket at the foot end with a closable fastening device. These preliminary structural preparations eliminate the need for stuffing and shoving during insertion, as the duvet can be easily guided into the pre-formed pockets and secured.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS11490748B1Effortless duvet cover

Publication Date: 2022.11.08 OGEDENGBE LOLA

AI summary

A duvet cover for housing an assembly includes a top fabric panel and a bottom fabric panel that together form a flexible fabric envelope for receiving the duvet, wherein head edges of the top fabric panel and the bottom fabric panel are joined together and may form a permanently closed head edge. Side edges of the top fabric panel and the bottom fabric panel and foot edges of the top fabric panel and the bottom fabric panel edges may be equipped with closable fastening devices to engage each other thereby defining at least three closable edges and a composite fabric panel that forms a second end pocket at a foot edge of the bottom fabric panel. The foot edge of the composite fabric panel is joined with the foot edge of the bottom fabric panel securing the duvet in place inside the duvet cover.