Bed Adapter for Exercise Device Stability
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Solution Overview
Problem
Therapeutic exercise devices with reciprocating ankle rests often fail to provide adequate support for bedridden individuals, as they are not designed to be effectively used on a bed, limiting their usability.
Innovation Solution
An adjustable exercise device assembly with a base plate and knee rest, featuring a bed adapter that stabilizes the device on soft surfaces, allowing for adjustable positioning and secure support, enabling use on a bed without the need to transfer to a hard surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the exercise device is designed for standard floor use, then it provides stable support on hard surfaces, but it cannot be adequately supported on a bed
Solution Approach 1:
A bed adapter is introduced as an intermediary component between the exercise device and the bed surface. The adapter includes a flat base plate with multiple support members that distribute the device's weight across the soft bed surface, providing stable support. This mediator allows the device to function reliably on beds without modifying the original device structure.
2Ease of operation
If the device structure is simplified for easy use, then it becomes easier to operate, but it loses the adjustability needed for different user positions
Solution Approach 1:
The knee rest is designed with adjustable positioning capabilities, allowing it to be moved to different locations along the device frame. This dynamic adjustability enables the device to accommodate various user positions and requirements while maintaining ease of operation through simple repositioning mechanisms.
3Reliability
If support members are added to improve bed support, then stability on soft surfaces improves, but device complexity increases
Solution Approach 1:
The support system is segmented into multiple individual support members distributed across the base plate. This segmentation allows the weight to be distributed across multiple contact points on the soft bed surface, improving stability. The modular nature of these support members also makes them easy to install and adjust without significantly increasing overall device complexity.
Data Source
AI summary
An exercise device assembly including an adjustable exercise device and a bed adapter is disclosed. The bed adapter may include a main body defining a first side and a second side. The main body may be provided with a first plurality of receptacles and a second plurality of receptacles that are for receiving and securing support members of the exercise device. In one aspect, the receptacles have a sidewall connecting the main body first side to a recessed support surface of the receptacle such that the support members of the exercise device are securely retained on the bed adapter.