Expandable fitted bed sheet
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Solution Overview
Problem
Fitted bed sheets are typically designed for a specific mattress size, requiring multiple sizes to accommodate different mattresses, which is inconvenient and inefficient.
Innovation Solution
An expandable fitted bed sheet with reconfigurable closure features, including pairs of engagement members and a main zipping member, allowing it to adjust between enlarged and reduced configurations to fit various mattress sizes, such as queen to full or king to California king.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fitted bed sheets are designed for specific mattress sizes, then the sheet fits the mattress properly, but multiple different sheet sizes are required to accommodate different mattress sizes
Solution Approach 1:
The fitted sheet incorporates reconfigurable closure features with engagement members that can be adjusted between different positions, allowing the sheet to dynamically change its effective size. The closure system enables the sheet to be reconfigured from a first configuration for a first mattress size to a second configuration for a second mattress size, providing adaptability without requiring multiple separate sheets.
Solution Approach 2:
A single fitted sheet design serves multiple functions by accommodating different mattress sizes through its reconfigurable closure system. The sheet can be used for both a first mattress size and a second mattress size by adjusting the closure features, eliminating the need for separate sheets for different bed sizes.
2Area of stationary object
If the sheet is made larger to fit bigger mattresses, then it accommodates larger mattresses, but it does not fit smaller mattresses properly
Solution Approach 1:
The sheet's effective size is made dynamic through the reconfigurable closure system. By adjusting the engagement members between engaged and disengaged positions, the sheet can change its dimensions to match different mattress sizes, ensuring proper fit for both smaller and larger mattresses with a single sheet design.
3Reliability
If multiple sheet sizes are produced, then each sheet fits its designated mattress size, but inventory complexity and cost increase
Solution Approach 1:
Instead of producing multiple sheet variants for different mattress sizes, a single universal sheet design is created with reconfigurable closure features. This universal sheet can be adjusted to fit different mattress sizes by modifying the closure configuration, reducing inventory complexity while maintaining reliable fit accuracy across different bed sizes.
Data Source
AI summary
An expandable fitted bed sheet for fitting with mattresses of different sizes. In example embodiments, the expandable fitted bed sheet is reconfigurable between an unzipped or enlarged configuration for fitting with a first mattress comprising a first mattress size and a zipped or reduced configuration for fitting with a second mattress comprising a second mattress size. At least one closure feature is provided for providing adjustability to the fitted bed sheet between the enlarged configuration and the reduced configuration.