Portable Rebounding Device with Screw-Driven Force Adjustment Assembly
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Solution Overview
Problem
Conventional rocking solutions are limited in their adaptability, versatility, and flexibility, requiring significant space, being expensive, and unable to accommodate users of varying sizes and preferences, making them unsuitable for portable use and integration with existing furniture.
Innovation Solution
A portable rebounding device with an adjustable spring mechanism that allows users to adjust the rebounding force to suit their size, shape, and needs, using a combination of spring elements and a force adjustment assembly to provide a gentle rocking motion without straining muscles or joints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional rocking furniture is used, then a stable rocking motion is provided, but the device requires large floor space and cannot be easily moved or stored
Solution Approach 1:
The rocking device is divided into separate components: a portable rebounding mechanism that can be detached from furniture. This allows the rocking function to be separated from bulky furniture, reducing floor space requirements while maintaining stable rocking motion through the spring-based rebounding mechanism
Solution Approach 2:
A spring-based rebounding mechanism serves as an intermediary between the user and the furniture surface. This intermediary component provides the rocking motion without requiring the entire furniture piece to be mobile, allowing stable rocking while using minimal floor space
2Duration of action of moving object
If conventional rocking furniture is used, then continuous rocking motion is provided, but significant strain is placed on muscles and joints during prolonged use
Solution Approach 1:
The rebounding mechanism uses springs to provide dynamic, adaptive resistance that adjusts to the user's movements. This elastic rebounding force reduces the effort required to initiate and maintain rocking motion compared to conventional furniture that requires continuous manual force application, thereby reducing muscle and joint strain during prolonged use
Solution Approach 2:
The spring constant and rebounding force parameters can be adjusted to match user needs. By changing the mechanical parameters of the spring system, the device can provide gentle rocking for users with limited mobility or stronger rocking for able-bodied users, reducing strain while maintaining continuous motion capability
3Force
If conventional rocking furniture is used, then a fixed rocking force is provided, but it cannot accommodate users of varying sizes and physical conditions
Solution Approach 1:
The spring-based system provides dynamically adjustable rocking force that can be modified by changing spring constants or spring pre-compression. This allows the same device to accommodate users of varying sizes and physical conditions, from infants to adults, from those with limited mobility to able-bodied users
Solution Approach 2:
The mechanical parameters of the rebounding system, particularly spring constant and initial compression, can be changed to adjust the rocking force. This parameter adjustability enables the device to adapt to different user needs and physical conditions while maintaining consistent performance across diverse user populations
4Ease of operation
If conventional rocking furniture is used, then a dedicated rocking function is provided, but it cannot be combined with other furniture such as sofas or beds
Solution Approach 1:
The rocking function is segmented into a separate portable rebounding mechanism that can be independently positioned against various furniture surfaces. This segmentation allows the rocking functionality to be applied to sofas, beds, chairs, or walls without requiring the furniture itself to have built-in rocking mechanisms
Solution Approach 2:
The rebounding mechanism is designed to work with multiple types of furniture surfaces by positioning the stationary end against various surfaces. This universal design allows a single device to provide rocking functionality across different furniture types, increasing adaptability while maintaining ease of operation
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 device provides a customizable and portable rocking solution that can be used with various furniture types, accommodating different users and settings, reducing strain and cost while maintaining a comfortable rocking motion.
Implementation Method 1
a spring mechanism provided therebetween, the spring mechanism including a force adjustment assembly
Implementation Method 2
The rebounding device exerts a biasing force when compressed that gently propels the user's upper body forward
Data Source
Figure 1
Figure 2~3
Figure 4~6
AI summary
A rebounding device includes a front member, a rear member, and a spring mechanism including a first biasing element and force adjustment assembly. The force adjustment assembly includes a spring element including a front planar surface and a rear planar surface connected at a rounded portion, wherein the front planar surface contacts an inner surface of the front member; a screw housing secured to an inner surface of the rear member, wherein the screw housing includes a longitudinal channel and a bore on an upper surface; a drive screw positioned through the bore and along the longitudinal channel of the screw housing; a threaded block positioned within the longitudinal channel of the screw housing, wherein the threaded block is configured to move vertically along the longitudinal channel, and wherein the rear planar surface of the spring element is secured to the threaded block.