Lift Drive Coupler Offset Orientation Linkage Redirection
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Solution Overview
Problem
Existing lift technologies face challenges in efficient positioning between storage and utilization positions, safety during transition, and cost-effective production, with none fully addressing these requirements.
Innovation Solution
A lift system comprising a main frame coupled to an upper surface, a carrier frame transitioning between elevations, a drive mechanism, and a linkage block system that redirects the drive's orientation, allowing for adjustable displacement and reduced height, enhancing safety and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a lift is positioned for utilization between lower and upper elevations, then transition capability is enabled, but positioning time increases and storage becomes problematic
Solution Approach 1:
The lift is divided into modular components including a carrier frame, drive mechanism, and linkage blocks that can be independently positioned and assembled. The carrier frame segments allow the lift to be quickly deployed between elevations without requiring complex positioning procedures, reducing the time loss identified in the technical contradiction.
Solution Approach 2:
The linkage block system provides dynamic reconfiguration capability, allowing the lift to transition between stored and operational positions through mechanical advantage. The movable linkage blocks enable rapid deployment without time-consuming adjustments, improving positioning efficiency while maintaining structural integrity.
2Adaptability or versatility
If a lift structure is designed for utility between elevations, then space utilization improves, but device complexity increases
Solution Approach 1:
The lift structure is designed as a universal system that can operate between different elevations and accommodate various loads. The standardized carrier frame and drive mechanism provide multi-functional capability for both residential and commercial applications, achieving space utilization without proportionally increasing complexity.
Solution Approach 2:
The linkage block system acts as an intermediary mechanism between the drive and the carrier frame, simplifying the overall structure by using intermediate mechanical elements to transmit force. This intermediary approach reduces direct complexity while maintaining the lift's ability to operate between multiple elevations.
3Reliability
If traditional lift mechanisms are used, then lifting function is achieved, but safety during transition is compromised
Solution Approach 1:
The lift incorporates safety features that provide beforehand cushioning against potential failures during transition. The drive mechanism includes emergency stopping capabilities and the carrier frame includes structural reinforcement that acts as a safety buffer, ensuring that even if anomalies occur during operation, the system maintains safety standards.
Solution Approach 2:
The lift system incorporates feedback mechanisms that monitor operational parameters during transition and provide real-time safety checks. The control system receives feedback from sensors monitoring the carrier frame position and drive operation, enabling automatic safety interventions if abnormal conditions are detected, thereby improving both reliability and ease of operation safety.
Data Source
AI summary
A lift is disclosed for ascending and descending between a lower elevation and an upper elevation. The lower elevation has a lower surface and the upper elevation has an upper surface. The lift comprises a main frame coupled to the upper surface. A carrier frame transitions between the lower elevation and the upper elevation. A drive is coupled to the main frame. A linkage extends between the carrier frame and the drive. A linkage block system is coupled to the main frame and engages the linkage for redirecting the direction of the linkage. A drive coupler secures the drive to the main frame. The drive coupler defines an eccentric position relative to the main frame for positioning the drive in an offset orientation relative to the main frame.