Bracket Assembly for Hot Swapping Key Switches
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Solution Overview
Problem
Users often need to purchase multiple keyboards to accommodate different key switch types for various applications, as existing keyboards require complex assembly or disassembly to swap key switches, limiting versatility and convenience.
Innovation Solution
A bracket assembly that allows 'hot swapping' of key switches by coupling to a printed circuit board with conductive leads and a top plate, enabling quick removal and replacement of key switches without extensive disassembly, while accommodating LEDs for illumination and providing structural support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a keyboard uses a fixed key switch structure, then the structural integrity and stability are maintained, but the adaptability and versatility are reduced
Solution Approach 1:
The bracket assembly is divided into distinct functional components: a base portion that couples to the PCB, a top plate that provides structural support, and side walls with integrated features. This segmentation allows each component to be optimized independently while maintaining overall functionality, enabling key switch interchangeability without compromising structural integrity.
Solution Approach 2:
The bracket assembly serves multiple functions simultaneously: it provides structural support through the top plate, enables electrical connectivity via conductive leads integrated into the side walls, facilitates key switch mounting through recesses and protrusions, and allows for LED illumination. This multi-functionality achieves versatility without proportionally increasing complexity.
2Illumination intensity
If the bracket covers the entire bottom surface of the key switch, then structural support is maximized, but LED illumination functionality is blocked
Solution Approach 1:
The bracket is designed with non-uniform coverage: the top plate provides extensive coverage for structural support, while the side walls include localized openings and recesses that allow LED light to pass through. This local variation in coverage quality enables both strong structural support and effective illumination without requiring the bracket to be partially absent.
3Ease of operation
If key switches are permanently mounted to the PCB, then connection reliability is ensured, but ease of operation for swapping is reduced
Solution Approach 1:
The bracket assembly acts as an intermediary component between the key switch and the PCB. It provides a reversible mounting interface that allows easy removal and replacement of key switches while maintaining reliable electrical connections through integrated conductive leads. The intermediary bracket absorbs the complexity of connection management, enabling simple user operation without compromising connection reliability.
4Adaptability or versatility
If multiple keyboards are purchased for different applications, then adaptability is achieved, but loss of substance and cost increase
Solution Approach 1:
The bracket assembly creates a universal keyboard platform that can accommodate different key switch types (mechanical, membrane, magnetic) through standardized mounting interfaces. This universality allows a single keyboard to be adapted for various applications (gaming, office work, programming) by simply replacing key switches, eliminating the need to purchase multiple specialized keyboards and reducing resource consumption.
Data Source
AI summary
A system may comprise a printed circuit board (PCB) including a top surface, and a bracket including a top surface configured to receive and couple to a key switch and a bottom surface including at least two protrusions that extend normal to the bottom surface of the bracket. The bracket can be configured to mount to the PCB such that the bottom surface of the bracket is coupled to the top surface of the PCB, and the at least two protrusions may each include conductive leads that couple to the top surface of the PCB. The bracket is configured to only cover a portion of a bottom surface of the key switch when coupled to the key switch. An LED can be mounted to the top surface of the PCB, laterally adjacent to the bracket, and under the key switch at a location not covered by the bracket.