Accessory cart
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Solution Overview
Problem
Current mobile accessory carts in healthcare and other industries lack ergonomic adjustability, leading to cumbersome adjustment mechanisms and improper ergonomic positioning, which results in repetitive strain injuries among users due to inadequate training and complex adjustment processes.
Innovation Solution
An automatically adjustable mobile accessory cart with a sensor-driven height adjustment system that automatically sets the work platform to ergonomic heights based on user input or detection, featuring a deployable tracking wheel for improved mobility and wireless charging for convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual adjustment mechanisms are provided for work surface height, then ergonomic adaptability is improved, but device complexity and ease of operation deteriorate due to cumbersome adjustment procedures
Solution Approach 1:
The cart automatically adjusts the work surface height to match the user's height without manual intervention. A sensor detects the user's approach and the system autonomously positions the work surface at the appropriate height, eliminating the need for complex manual adjustment mechanisms while maintaining ergonomic adaptability.
Solution Approach 2:
The patent replaces manual mechanical adjustment mechanisms with an automated sensor-based system. Instead of requiring users to manually operate levers or buttons to adjust height, the system uses sensors to detect user presence and automatically actuates the height adjustment mechanism, simplifying the user interface while maintaining adaptability.
2Adaptability or versatility
If manual adjustment mechanisms are provided for work surface height, then ergonomic adaptability is improved, but ease of operation deteriorates due to multiple adjustment steps
Solution Approach 1:
The cart automatically adjusts the work surface height to match the user's height without manual intervention. A sensor detects the user's approach and the system autonomously positions the work surface at the appropriate height, eliminating the need for complex manual adjustment mechanisms while maintaining ergonomic adaptability.
Solution Approach 2:
The system performs the height adjustment action before the user actually begins working. The sensor detects user approach in advance and pre-positions the work surface at the correct height, so that when the user arrives at the cart, the ergonomic positioning is already complete, eliminating the need for the user to perform adjustment steps.
3Ease of operation
If tracking wheel is deployed, then mobility is improved, but device complexity increases due to deployable mechanism
Solution Approach 1:
The tracking wheel automatically deploys and retracts based on detected user presence. When a user approaches, the wheel deploys to assist with pushing the cart. When no user is present, it retracts to avoid obstruction. This automated behavior eliminates the need for manual deployment while maintaining mobility assistance when needed.
Data Source
AI summary
In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.