Bedsheet-holder

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Solution Overview

Problem

Bedding materials such as sheets and comforters often fall off the bed during sleep and are difficult to secure, especially for children and seniors, due to existing bedsheet-holding devices that require tucking under the mattress, which can be cumbersome and lead to uneven coverage.

Innovation Solution

A bedsheet-holder with an elongated flexible strap equipped with evenly spaced fasteners and spring-biased clips, allowing secure attachment to the bed frame without needing to tuck bedding under the mattress, ensuring even distribution of tension and preventing displacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If bedding materials are secured by tucking under the mattress at the foot of the bed, then the bedding is held in place, but the overall length of the bedding is reduced and the process becomes cumbersome

Engineering Contradiction:

Improvebedding securityVSAvoidbed-making convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The bedsheet holder is divided into multiple functional segments: an elongated flexible member for spanning the bed width, multiple fasteners distributed along its length for securing bedding at different points, and mating buckles at the ends for attachment to the bed frame. This segmentation allows the bedding to be secured without compression, maintaining its length while preventing displacement.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The bedsheet holder acts as an intermediary device between the bedding materials and the bed frame. Instead of directly tucking bedding under the mattress, the holder's fasteners engage with the bedding while the mating buckles attach to the frame, providing a mechanical mediation that secures bedding without altering its dimensions.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If bedding is tucked under the mattress, then it is secured, but children and seniors find it difficult to perform this task

Engineering Contradiction:

Improvebedding securityVSAvoidoperation difficulty

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The bedsheet holder enables users to secure bedding independently without requiring assistance or complex manual manipulation. The elastic member automatically adjusts to tension when fasteners are attached, and the mating buckles provide straightforward attachment and detachment mechanisms that can be operated by individuals with limited strength or dexterity.

Inventive Principle:

Principle #25Self-service

3Area of stationary object

If the bed is positioned against a wall, then space is saved, but the side against the wall becomes inaccessible for making the bed

Engineering Contradiction:

Improvespace utilizationVSAvoidbed-making accessibility

Core Design Contradiction:

Area of stationary objectVSEase of operation

Solution Approach 1:

Instead of requiring access to the side of the bed against the wall for tucking, the bedsheet holder inverts the approach by attaching to the accessible ends of the bed frame and spanning across to the inaccessible side. The fasteners engage with the bedding from the accessible side, allowing the entire operation to be performed without reaching behind the wall-positioned bed.

Inventive Principle:

Principle #13The other way round (Inversion)

4Reliability

If high friction coatings are used on the bed frame to hold bedding, then bedding can be secured through pressure, but these devices do not provide reliable attachment

Engineering Contradiction:

Improvebedding securityVSAvoiddevice design

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The fasteners utilize spring-biased clips with curved, flexible elements that conform to the bedding material. This curvature allows the clips to grip the bedding securely through elastic deformation, providing reliable attachment that is more dependable than friction alone while maintaining manufacturing simplicity.

Inventive Principle:

Principle #14Spheroidality (Curvature)

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 effectively keeps bedding materials in place during sleep and simplifies bed-making by eliminating the need for tucking, providing consistent coverage and ease of use.

Implementation Method 1

each of the plurality of fasteners further include a spring biased clip including rubber teeth for receiving and retaining the plurality of bedding material therein

Methodology Applied

Scientific EffectSpring bias: Spring

Data Source

PatentUS10638852B2Bedsheet-holder

Publication Date: 2020.05.05 DOWNES KIMBERLY K

AI summary

A bedsheet-holder for securing bedding materials together when in use on a mattress. The bedsheet-holder includes an elongated flexible member having a first end and a second end designed to secure a plurality of bedding materials in place. A plurality of fasteners positioned along the length of the elongated member are designed to secure the elongated member to the plurality of bedding materials, such that the plurality of bedding materials remain attached to one another and are prevented from falling off of a bed when in use. The bedsheet-holder further includes a first mating fastener on the first end of the member designed to removably attach the member to a first side of a frame of a bed, and a second mating fastener on the second end of the member designed to removably attach the elongated member to an opposite second side of a frame of a bed.