Bed sheet fastening system
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Solution Overview
Problem
Existing bed sheet fastening systems are prone to easy release during sleep movements, causing discomfort and potential falls, as they lack secure anchoring mechanisms.
Innovation Solution
A bed sheet fastening system featuring a substantially oblong pressing element with anchoring means, such as ribbon elements, that can be securely anchored to the mattress, allowing for easy positioning and adjustment to prevent sheet movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If laces or straps are used to fasten the sheet to the mattress corners, then the sheet can be secured, but the fastening elements are easily released during sleep movements
Solution Approach 1:
The pressing element features rounded ends instead of angular shapes, creating a smooth, capsule-like form that eliminates impact surfaces and angular areas. This curved geometry prevents the fastening element from catching on bedding materials during sleep movements, maintaining secure fastening while reducing release resistance.
Solution Approach 2:
The system pre-positions the pressing element to apply continuous pressure on the sheet before any release can occur. By maintaining constant engagement through this preliminary positioning action, the system prevents the fastening elements from being easily released during subsequent sleep movements.
2Reliability
If fastening elements are distributed on the mattress or blanket, then the sheet can be constrained, but the fasteners act as impact and snag elements during sleep
Solution Approach 1:
The pressing element is designed with completely rounded ends and a smooth capsule-like form, eliminating all angular areas and sharp edges. This curved geometry removes impact surfaces that could harm users during sleep, while the smooth surface prevents snagging on bedding materials, thereby eliminating harmful factors while maintaining sheet constraint.
3Device complexity
If angular areas or impact surfaces are present on the fastening system, then the structure can be simple, but disturbance during sleep occurs
Solution Approach 1:
The pressing element adopts a simple capsule-like form with rounded ends, achieving structural simplicity through a single continuous curved geometry. This design eliminates complex angular features and multiple components, while the smooth rounded surfaces simultaneously prevent sleep disturbance by removing impact areas and snag points.
Data Source
Figure 1~3
Figure 4~5
Figure 6~7a
AI summary
The present invention relates to a bed sheet fastening system 100,101 to retain at least a portion of a cover sheet positioned on a mattress, with respect to the mattress, said system comprising a substantially oblong pressing element 50, configured to be positioned above the sheet. The pressing element 50 has a first 5 and a second 15 terminal end, and anchoring means 10,11,12, configured to anchor the pressing element 50 with respect to the mattress, the overall configuration of the bed sheet fastening system 100,101 being such that, when the pressing element 50 is positioned at a portion of the sheet to keep it in contact with the mattress, at least one covered housing compartment between the mattress and the sheet is defined, said housing compartment being delimited by a fastened portion of the covering sheet and from a perimetral edge of the sheet.