Fitted-sheet retention arrangement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional bed sheets are difficult to fasten securely to large and heavy mattresses, often requiring repetitive lifting and can be easily pulled out during use, especially for restless sleepers, and fitted sheets with elastic corners still face issues with dislodging and untucking.
Innovation Solution
A bed set featuring a band with anchoring regions using hook-and-loop fasteners around the mattress perimeter and a fitted sheet with complementary fastening regions, along with integrated tensioning elements and diagonal strips for secure fitting, eliminating the need for repetitive tucking and enhancing stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional bed sheets are fastened by tucking edges under the mattress, then the sheets can be secured to the mattress, but repetitive lifting is required which is difficult for large and heavy mattresses
Solution Approach 1:
The fastening function is segmented from the sheet body into separate fastening elements (elastic bands, hooks, Velcro fasteners) that can be independently applied to corners and edges, eliminating the need to lift and tuck the entire heavy sheet under the mattress
Solution Approach 2:
Fastening elements are pre-attached to the sheet corners and edges during manufacturing, so that when the sheet is placed on the mattress, the fastening action is already prepared and only requires simple attachment to the mattress surface rather than repetitive lifting and tucking
2Reliability
If bed sheet edges are tucked under the mattress, then the sheets can be fastened, but they can be easily pulled out during use especially for restless sleepers
Solution Approach 1:
Elastic bands are used to create a curved, flexible fastening mechanism that can wrap around the mattress corners and edges, providing continuous retention force that resists pulling while maintaining ease of application and removal
Solution Approach 2:
Fastening elements such as Velcro strips and hooks act as intermediaries between the sheet and mattress, creating a secure mechanical connection that prevents pulling out while allowing simple attachment and detachment without complex tucking operations
3Reliability
If fitted sheets with elastic elements are used, then the sheets can be fastened to the mattress, but the elastic elements do not always prevent pulling out and the sheets are awkward to deploy
Solution Approach 1:
The fastening system is divided into multiple independent corner units, each with its own elastic band and fastening elements, allowing each corner to be secured independently rather than requiring complex coordinated deployment of a single elastic system
Solution Approach 2:
Velcro fasteners and hooks serve as intermediary attachment mechanisms that simplify deployment by providing clear attachment points at each corner, eliminating the awkward stretching and coordination required by traditional elastic corner fittings
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 solution provides a secure, one-time installation of bed sheets that remain in place during use, preventing untucking and dislodging, facilitating easy deployment, and accommodating mattress size variations without modification.
Implementation Method 1
each of the anchoring regions providing a first part of a hook-and-loop fastener; at least one sheet configured for placement on the mattress, the at least one sheet comprising a central region for covering the top surface of the mattress and a fitted skirt having four corner portions and shaped for fitting closely around the periphery of the mattress, the sheet being provided with fastening regions associated with the four corner portions, each of the fastening regions having a complementary part of a hook-and-loop fastener for fastening to said anchoring regions
Implementation Method 2
at least one corner of the at least one sheet includes an integrated tensioning element fixed to the sheet for enhancing a fit of the sheet on the mattress
Data Source
AI summary
The present invention provides a bedding system where a band is placed along the periphery of a mattress, the band including regions of one of a hook or loop type fastener. A sheet with the corresponding hook or loop fastener covers the mattress, and the corresponding fastener on the sheet contacts the band at the region, such that the sheet attaches to the band.