Overhead Lift Rail Docking Portion with Elevator Track
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Solution Overview
Problem
Existing overhead lift systems require unstable methods like ladders for operators to reach and remove lift units from overhead rails, posing safety risks and potential damage.
Innovation Solution
An overhead lift system with a docking portion and elevator track that allows the lift unit to be lowered from the overhead rail to a more accessible height, enabling safe and easy removal and transport of the lift unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If operators use ladders or other structures to reach lift units on overhead rails, then they can manually remove the lift units, but the method becomes unstable and leads to possible injury or damage
Solution Approach 1:
The patent introduces a service platform as an intermediary structure between the operator and the lift unit. The platform provides stable support at the overhead rail height, eliminating the need for unstable ladders. The platform includes a platform body positioned at the overhead rail level with a support structure that interfaces with the building structure, creating a safe working platform for service operations.
Solution Approach 2:
The patent adds a vertical dimension to the service access system by introducing a vertically movable platform that can be positioned at the overhead rail height. This vertical movement capability allows the platform to reach the lift unit level safely, transforming the access method from ground-level ladder climbing to elevated platform operation.
2Reliability
If lift units are suspended well-above the ground on the overhead rail system, then the overhead lift system can function properly, but operators cannot easily reach the lift units for servicing
Solution Approach 1:
The service platform acts as an intermediary that bridges the height gap between ground level and the overhead rail level. It provides a stable working surface at the required elevation, allowing operators to access lift units without compromising the overhead system's functional integrity.
Solution Approach 2:
The platform is designed with vertical movement capability, allowing it to dynamically adjust its position to reach the overhead rail level when needed for servicing, and potentially return to a lower position when not in use. This dynamic positioning enables easy access while maintaining system reliability.
Data Source
AI summary
An overhead lift system for supporting a person with a lift unit includes an overhead rail and an elevator track. The overhead rail includes a subject support portion and a docking portion. An end of the docking portion is removably coupled to an end of the subject support portion. The elevator track is coupled to the docking portion of the overhead rail. The elevator track is configured to convey the docking portion of the overhead rail from a height of the subject support portion of the overhead rail toward a position below the height of the subject support portion of the overhead rail.