Sliding Mattress Deck for Easy Access Behind Fixed Nightstands

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Solution Overview

Problem

Recreational vehicle beds with fixed frames and adjacent nightstands limit access to the mattress head, requiring users to bend awkwardly during sheet changes and bed-making, especially challenging for older users, and existing solutions do not provide an easy, automated, and adaptable solution for easy access.

Innovation Solution

A mattress deck slide system with an actuator attached to the bed deck, allowing the mattress deck to slide relative to the bed deck from a non-extended to an extended position, enabling easy access to the mattress head without bending, and can be built-in or retrofitted, using a 12-volt linear actuator and rail system for minimal exertion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the bed frame and nightstands are fixed in place, then the furniture structure is stable and space-efficient, but the user cannot access the mattress head without bending awkwardly

Engineering Contradiction:

ImproveAccess to mattress headVSAvoidFixed furniture structure

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The mattress deck is transformed from a static fixed structure to a dynamic movable structure. The deck can slide along rails between a retracted position (aligned with nightstands) and an extended position (protruding beyond nightstands), allowing the system to adapt between stability and accessibility as needed

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The bed structure is divided into separate functional components: a fixed bed frame with nightstands, a movable mattress deck, and support rails. This segmentation allows the mattress deck to move independently while the frame remains stable, resolving the contradiction between fixed structure and movable access

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If the mattress deck is made movable to improve access, then ease of operation improves, but the device complexity increases

Engineering Contradiction:

ImproveMattress deck accessibilityVSAvoidSlide mechanism structure

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

Fixed rails are introduced as intermediary elements that guide and support the movable mattress deck. These rails provide a simple mechanical pathway that enables smooth movement without requiring complex actuators or control systems, maintaining mechanical simplicity while achieving mobility

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The slide mechanism is designed to be manually operable without requiring external power sources or complex control systems. Users can easily move the mattress deck along the rails by hand, making the system self-sufficient and avoiding added complexity from motors or electronic controls

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If manual sliding is used, then the structure remains simple, but physical exertion is required which limits usability for users with physical limitations

Engineering Contradiction:

ImproveUsability for all usersVSAvoidPhysical exertion required

Core Design Contradiction:

Adaptability or versatilityVSForce

Solution Approach 1:

A motorized actuator replaces the purely manual mechanical sliding mechanism. The actuator automatically moves the mattress deck along the rails, eliminating the need for users to apply physical force and making the system accessible to users with physical limitations while maintaining the simple rail-guided mechanical structure

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 system allows users to access the mattress head without bending, reducing physical exertion and accommodating users with physical limitations, providing easy access and automation for making beds or changing sheets.

Implementation Method 1

Methodology Applied

Scientific EffectLinear actuator: Linear Motor

Data Source

PatentUS8935816B1Mattress deck slide

Publication Date: 2015.01.20 SWEET FRANK

AI summary

A bed that allows a user to easily slide the mattress away from the wall for making the bed or changing the sheets without having to reach around the nightstand or other furniture and then slide the mattress back into place for use.