Foldable Bed Sheet Panel Assembly for Fitted Sheet Storage
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Solution Overview
Problem
Existing sheet folding devices fail to efficiently fold fitted sheets with elasticized corners and lack provisions for storing folded sheets, requiring two persons, causing damage to walls, and being bulky and heavy.
Innovation Solution
A foldable panel assembly with sheet retaining devices such as spring clips and elastic strips that allows a single user to fold and store fitted and flat sheets with clean edges, accommodating different sizes without wall attachment, using a lightweight and durable design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a spring clip and right angle hook device is used to fold sheets, then a single user can fold fitted and flat sheets, but the device does not have provisions for storing the folded sheets and requires semi-permanent mounting that damages the wall
Solution Approach 1:
The patent combines the sheet folding function and sheet storage function into a single integrated device. The U-shaped channel structure serves both as the folding surface and as the storage container, eliminating the need for separate storage provisions and reducing overall device complexity.
Solution Approach 2:
The device uses the user's own body (legs) as the mounting support structure. By positioning the device between the user's legs, it eliminates the need for wall mounting entirely, avoiding wall damage and simplifying installation while maintaining single-user operation capability.
2Ease of operation
If a table-mounted bar apparatus is used to hold sheet ends, then sheets can be folded, but the apparatus cannot be used to fold fitted sheets with elasticized corners and is rather large, heavy, and bulky
Solution Approach 1:
The patent replaces the rigid, heavy table-mounted bar structure with a flexible U-shaped channel that can accommodate fitted sheets with elasticized corners. The flexible design allows the channel to conform to the sheet material while maintaining structural integrity, eliminating the need for heavy mounting hardware.
Solution Approach 2:
Instead of mounting the folding apparatus to a heavy table or wall, the patent inverts the support approach by using the user's legs as the mounting structure. This eliminates the need for heavy apparatus construction and reduces overall weight and bulk significantly.
3Productivity
If traditional folding methods are used, then sheets can be folded, but neatly folding fitted sheets is particularly troublesome due to elasticized corners which inwardly draw the fitted sheet to a non-planar shape
Solution Approach 1:
The U-shaped channel acts as an intermediary structure between the fitted sheet and the final folded state. The channel's curved geometry provides a guided path that counteracts the inward pulling force of elasticized corners, allowing the sheet to be folded neatly without manual manipulation struggles.
Solution Approach 2:
The device performs preliminary folding action by guiding the sheet through the U-shaped channel before the final fold is completed. This preliminary guidance prevents the elasticized corners from creating non-planar shapes during the folding process, making the overall operation easier and more efficient.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables easy, neat folding and storage of bed sheet sets with clean edges, suitable for various bed sizes, requiring no special skills, and minimizing space and weight, while avoiding wall damage.
Implementation Method 1
spring clips
Implementation Method 2
elastic strips
Data Source
AI summary
A bed sheet storage device for compactly folding and storing a bed sheet set between uses. The storage device includes a foldable rectangular panel assembly with a center panel disposed between a pair of side panels hingedly connected together edgewise using living hinges, separate hinges, elastic strips, or intermediate panels hingedly connected edgewise thereto. A pair of semi-circular corner retaining panels may be hingedly connected edgewise to the side panels to retain two corners of the fitted sheet. The panel assembly has a flat opened position and a closed position which defines an enclosed channel therethrough to contain excess sheet material of a fitted sheet, a folded flat sheet, and two folded pillow covers of the bed sheet set. Sheet retaining devices include a non-skid pad, spring clips, spring boxes, and elastic retaining strips to retain the fitted sheet tautly folded around the panel assembly. Panel retaining devices include pairs of mutually-attracting magnets, locking hinges, spring clips, and elastic retaining bands to retain the panel assembly in the folded position.