Bottom-fitted sheet and method of making
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional bottom-fitted sheets are difficult to manage, especially for individuals with mobility or vision issues, and existing combined designs are expensive, restrictive, and do not accommodate beds with walls, leading to discomfort and claustrophobia.
Innovation Solution
A bottom-fitted sheet design featuring a top layer and a bottom layer joined laterally along a fraction of their length with elastic elements, allowing for easy placement over a mattress and accommodating bed shapes with wall edges, using materials like cotton, nylon, or silk, and incorporating elastic strings or fabrics for comfort and secure fit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a separate top sheet is used with the bottom-fitted sheet, then the sleeper can have a top sheet, but it must be carefully adjusted and tucked in, rendering making up the bed complicated and difficult
Solution Approach 1:
The patent combines the top sheet and bottom-fitted sheet into a single integrated unit. The top sheet is attached to the bottom layer at the foot end, creating a unified piece that eliminates the need for separate adjustment and tucking operations. This merging resolves the contradiction by maintaining the functionality of both sheets while simplifying the bed-making process.
2Reliability
If the top sheet is attached to the bottom-fitted sheet at the foot end, then the top sheet is held in place, but the sleeper's feet have too little space to move
Solution Approach 1:
The attachment between the top sheet and bottom layer is localized specifically at the foot end region, rather than extending along the entire length. This local attachment provides security where needed (preventing the top sheet from coming untucked) while leaving the lateral sides and upper portions free to accommodate the sleeper's feet and movements.
3Reliability
If known designs combine bottom-fitted sheet with top sheet, then the top sheet is held in place, but the design is expensive to manufacture and difficult to handle
Solution Approach 1:
The integrated sheet is constructed as a single-piece garment with distinct functional zones: a bottom layer for fitting over the mattress, a top sheet portion for covering the sleeper, and elastic elements strategically positioned at the foot end for attachment. This segmented design within a unified structure simplifies manufacturing compared to multi-component systems while maintaining the security benefits of integration.
4Reliability
If known designs combine bottom-fitted sheet with top sheet, then the top sheet is held in place, but the design does not accommodate a bed with one or more edges abutting a wall
Solution Approach 1:
The integrated sheet design incorporates elastic elements that can accommodate various bed configurations. The elastic attachment at the foot end allows the sheet to adapt to beds with walls or headboards, while the extended lateral sides provide coverage for different bed widths and styles. This universal design resolves the contradiction by maintaining secure top sheet placement across diverse bed types.
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
The design ensures easy sheet management, comfort by preventing claustrophobia, and accommodates various bed types, including those with wall edges, while maintaining a secure fit over the mattress.
Implementation Method 1
at least one first elastic element coupling the top layer to the bottom layer
Data Source
AI summary
Elements and methods for providing bottom-fitted sheet are provided. In some embodiments, the bottom-fitted sheet can include a bottom layer and a top layer, wherein the feet ends of the two layers are joined together. In some embodiments, one or more elastic elements can also be used for coupling at least a portion of the bottom layer to the top layer.