Modular Keyboard Switch Assembly for Manufacturing Alignment
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Solution Overview
Problem
Manufacturing keyboards is challenging due to the complexity of aligning and coupling numerous small mechanical and electrical components, leading to high failure rates and inefficiencies in assembly processes.
Innovation Solution
A modularized keyboard assembly approach where a switch assembly, including a dome, switch housing, and cover member, is pre-assembled as a single unit, allowing for easier handling and alignment, reducing the need for separate alignment and coupling of components, and enabling individual testing before final assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional keyboard assembly methods are used with separate mechanical and electrical components, then the keyboard can achieve functional complexity, but the manufacturing complexity and assembly difficulty increase significantly
Solution Approach 1:
The patent combines mechanical components (dome, suspension arms) and electrical components (circuit board, contacts) into a single integrated switch assembly. The circuit board is positioned within the dome support structure, and electrical contacts are pre-aligned with mechanical elements, allowing the entire assembly to be manufactured as one unit rather than separate parts requiring complex alignment during assembly.
2Reliability
If traditional keyboard assembly methods are used with multiple separate components, then the keyboard can achieve functional requirements, but the assembly failure rate increases due to alignment difficulties
Solution Approach 1:
The integrated switch assembly merges mechanical and electrical components into a single structural unit where alignment is built-in during manufacturing rather than requiring precision alignment during final assembly. The dome support structure provides a rigid framework that pre-positions electrical contacts relative to mechanical elements, eliminating alignment errors.
3Productivity
If traditional keyboard assembly methods are used with numerous small components, then the keyboard can achieve functional complexity, but the manufacturing time and productivity decrease
Solution Approach 1:
The patent consolidates multiple small components (dome, suspension arms, circuit board, contacts, housing elements) into a single integrated switch assembly that can be manufactured in one process. This eliminates the need for multiple separate assembly steps, significantly reducing manufacturing time and increasing productivity while maintaining all necessary functional elements.
Data Source
AI summary
An input mechanism is disclosed. The input mechanism includes a dome support structure defining an opening that extends through the dome support structure, a collapsible dome positioned in the opening and engaged with the dome support structure, and a cover member coupled to the dome support structure and covering the collapsible dome, thereby retaining the collapsible dome within the opening of the dome support structure.