Interchangeable Rose Cover Plates for Fast Door Hardware Customization
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Solution Overview
Problem
Conventional door trims require replacement of the entire rose and/or other components to change the aesthetic or function, which is costly and time-consuming.
Innovation Solution
A cover plate with a support substrate, coupler, and electronic device that can be easily replaced to alter the function and aesthetic of the door hardware, featuring a releasable coupling mechanism with a mounting plate and electrical connectivity for control systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the entire rose assembly is replaced to change aesthetic or function, then the desired customization is achieved, but the cost and time required increase significantly
Solution Approach 1:
The rose assembly is divided into separate functional modules: a base rose assembly and interchangeable cover plates. Each cover plate can be independently replaced to change aesthetic appearance or electronic functionality without replacing the entire rose assembly, thereby reducing replacement time and cost while maintaining customization capability.
Solution Approach 2:
The base rose assembly is designed with a universal mounting structure that can accommodate multiple different cover plates. The standardized interface allows a single base assembly to work with various cover plates serving different functions (aesthetic, electronic, security), enabling one component to perform multiple roles through interchangeable attachments.
2Adaptability or versatility
If the entire rose assembly is replaced to change aesthetic or function, then the desired customization is achieved, but the cost increases significantly
Solution Approach 1:
By segmenting the rose assembly into a base unit and separate cover plates, the manufacturing cost is reduced. Only the necessary components are manufactured separately, allowing for more efficient production and lower material costs. The base rose assembly can be manufactured once and reused with different cover plates.
Solution Approach 2:
Instead of manufacturing entirely new rose assemblies for different functions, the invention uses standardized cover plates that can be copied and interchangeably attached to the base assembly. This allows for economies of scale in manufacturing the standardized interface components.
3Adaptability or versatility
If electronic devices are integrated into the rose assembly, then functionality is enhanced, but the complexity of the assembly increases
Solution Approach 1:
Electronic devices are segmented into separate cover plates rather than being integrated into the base rose assembly. This allows the base assembly to remain simple while functionality is added through interchangeable electronic cover plates. The electrical connectors are designed to interface with the base assembly without requiring integration during manufacturing.
Solution Approach 2:
The base rose assembly includes standardized electrical connector interfaces that act as intermediaries between the simple base structure and the electronic cover plates. This intermediary interface enables electronic functionality to be added without increasing the complexity of the base assembly itself.
Data Source
AI summary
A cover plate according to certain embodiments is configured for use with a mounting plate and a control system, and has a front side and a rear side opposite the front side. The cover plate includes a support substrate, a cover plate coupler, and an electronic device. The support substrate includes an opening sized and shaped to receive a spindle of a door hardware apparatus associated with the rose assembly. The cover plate coupler is configured to releasably couple with a mounting plate coupler of the mounting plate. The electronic device is mounted to the support substrate, and includes a first electrical connector accessible from the rear side of the cover plate and configured for electrical connection with a second electrical connector of the control system, and an electronic component electrically connected with the first electrical connector.