Snap-fit Elevator Lantern Tray Assembly
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Solution Overview
Problem
Existing elevator lantern systems often present challenges in accessing and servicing their components due to cumbersome designs and the need for large faceplates or wall plates, making maintenance difficult and inefficient.
Innovation Solution
The elevator lantern system features a design with a tray and control board that can be easily assembled and disassembled without tools, using snap-fit mechanisms and pressure tabs, allowing for front-side access and removal of components like the lens and tray, eliminating the need for faceplates or wall plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional elevator lantern systems are designed with faceplates or wall plates, then structural stability is improved, but device complexity and ease of repair deteriorate due to cumbersome designs that require tools for disassembly
Solution Approach 1:
The lantern system is divided into separate modular components including a faceplate assembly and a lantern assembly. The faceplate can be removed independently to provide access to the lantern components, allowing maintenance without complete disassembly while maintaining structural integrity during operation
Solution Approach 2:
The snap-fit mechanisms provide dynamic connectivity - components are firmly secured during normal operation but can be easily released when needed. The snap-fit tabs and recesses allow for tool-free disassembly and reassembly, transitioning from a fixed state to a serviceable state without permanent installation
2Stability of the object's composition
If traditional elevator lantern systems use faceplates or wall plates, then structural stability is improved, but ease of operation deteriorates due to difficulty in accessing components for maintenance
Solution Approach 1:
The system separates the faceplate from the lantern assembly, allowing the faceplate to be removed independently. This provides direct access to the lantern components for maintenance operations while the faceplate remains structurally integrated during normal use
Solution Approach 2:
The snap-fit mechanisms are pre-configured with tabs and recesses that automatically engage when components are assembled. This preliminary design ensures that components can be quickly accessed and serviced without requiring complex disassembly procedures or special tools
3Ease of repair
If snap-fit mechanisms are used for assembly, then ease of repair is improved, but manufacturing precision deteriorates due to potential misalignment
Solution Approach 1:
The snap-fit tabs and recesses are designed with asymmetric geometries that provide both alignment guidance and secure engagement. The tabs have specific shapes that fit into corresponding recesses, ensuring proper positioning while allowing for easy snap-fit assembly and disassembly
Solution Approach 2:
The snap-fit mechanisms are designed to be self-aligning during assembly. The geometric features of the tabs and recesses guide the components into proper alignment automatically, eliminating the need for precise manual positioning or specialized alignment tools during installation or repair
4Stability of the object's composition
If faceplates or wall plates are used, then structural stability is improved, but device complexity deteriorates due to additional structural components
Solution Approach 1:
The faceplate and lantern assembly are merged into an integrated system where the faceplate serves dual purposes: as a structural mounting component and as an access cover. This eliminates the need for separate access panels or additional structural elements, reducing overall device complexity while maintaining stability
Data Source
AI summary
An elevator lantern apparatus uses a snap-fit assembly and disassembly configuration where the lantern apparatus includes components such as a tray, a lens, and a control board having one or more illuminating features. These components are configured to assemble through an opening in a surface such as a wall. In some versions, assembly and disassembly is done without the use of tools. In some versions, disassembly of the lantern apparatus is done from the front side of the lantern apparatus by removing the lens to access other components.