Moving bed assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing rocking beds experience perturbations due to sudden motion discontinuities, which can awaken users or disrupt sleep cycles, limiting their effectiveness and commercial acceptance.
Innovation Solution
A moving bed assembly with a base frame supported by swing arms, driven by a motor through a drive shaft and drive arms, featuring adjustable shaft brakes to minimize perturbations, and a modular design for various mattress sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rocking motion is imparted to the bed frame, then sleep benefits are improved, but motion discontinuities cause perturbations that disrupt sleep
Solution Approach 1:
The patent applies dynamics by making the bed frame movable through swing arms that allow controlled rocking motion. The swing arms pivot on the base frame, enabling the bed frame to dynamically rock side-to-side while maintaining smooth continuous motion throughout the cycle, eliminating abrupt stops or starts that would cause sleep disruptions.
Solution Approach 2:
The patent ensures continuity of useful action by designing the swing arm mechanism to maintain uninterrupted rocking motion. The drive shaft with cranks and connecting rods continuously drives both swing arms in coordination, ensuring the bed frame rocks smoothly without sudden discontinuities or perturbations that would wake the user.
2Reliability
If a drive mechanism is added to create rocking motion, then sleep benefits are improved, but device complexity increases
Solution Approach 1:
The patent segments the drive mechanism into separate components: a drive shaft with cranks at each end, individual connecting rods for each swing arm, and separate swing arms. This segmentation allows each component to be simple and straightforward, avoiding the need for a complex single integrated mechanism while achieving the desired rocking motion.
Solution Approach 2:
The patent merges the drive function into a single central drive shaft that simultaneously drives both swing arms through cranks at its ends. This combining approach simplifies the overall system by using one power source and one central rotating component rather than requiring separate drive mechanisms for each side of the bed.
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 assembly provides a smooth, uninterrupted rocking motion, enhancing sleep quality by reducing noticeable disruptions and accommodating different mattress sizes through a modular design.
Implementation Method 1
Each swing arm of the at least first and second pairs of swing arms includes a pair of base members extending downwardly from base member upper ends attached to opposite sides of the respective one of the upper base cross members to base member lower ends
Implementation Method 2
a shaft brake engaging the drive shaft between the first and second drive arm ends to apply a braking force thereto
Data Source
AI summary
A moving bed assembly includes a base frame supporting a bed frame via a plurality of pairs of swing arms. A drive motor mounted on the base frame drives the bed frame through a continuous motion cycle through a drive shaft. Cranks are mounted at opposite ends of the drive shaft and connected to respective swing arms through respective drive arms. A shaft brake engages the drive shaft to prevent perceptible surges as the bed frame transitions through opposite extremes of the motion cycle.