Keyboard Stabilizer Mechanism for Quiet, Even Keycap Motion
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Solution Overview
Problem
Current keyboard stabilizer mechanisms fail to provide optimal stabilization, leading to undesirable effects like seesaw, rattle, and vibration due to loose or binding parts, and require frequent maintenance with high-viscosity grease applications.
Innovation Solution
A stabilizer mechanism with a wire extending between two bases, supported by perpendicular hinges, and a flexible arm to maintain contact with the wire, ensuring the keycap moves evenly and quietly with minimal maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If high-viscosity grease is applied to fill gaps between hard plastic and wire parts, then rattle and vibration are reduced, but maintenance becomes labor-intensive and quality control becomes challenging
Solution Approach 1:
The patent removes the grease lubrication system entirely from the stabilizer mechanism. Instead of using grease to reduce friction and dampen noise, the invention uses a wire with inherent damping properties and a different mechanical configuration that eliminates the need for lubricant application and maintenance
Solution Approach 2:
The wire component is designed as a maintenance-free, long-lasting element that replaces the grease lubrication system. The wire's material properties provide both structural function and damping characteristics without requiring periodic replacement or re-lubrication
2Ease of operation
If grease is applied to lubricate stabilizer parts, then movement smoothness is improved, but production and shipping become labor-intensive
Solution Approach 1:
The grease application step is completely removed from the manufacturing process. The stabilizer mechanism is assembled without any lubrication step, allowing for faster production and easier shipping while achieving smooth operation through the wire's mechanical design and material properties
3Ease of operation
If stabilizer parts are held loosely to prevent binding, then movement freedom is improved, but rattle and vibration increase
Solution Approach 1:
The patent changes the physical parameters of the wire component, specifically its diameter and material properties, to provide optimal damping characteristics. The wire is designed with specific dimensional parameters that allow it to dampen vibrations while maintaining smooth movement freedom
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The mechanism provides reliable, quiet operation with reduced rattle and ticking, maintaining stability over time with minimal manual tuning and maintenance.
Implementation Method 1
A first hinge has a first leaf with a pivot cooperating with the first stem, a second leaf having a pivot cooperating with the first base, and a pivot disposed between its first leaf and its second leaf
Implementation Method 2
At least one wire holder is configured and disposed to rotatingly hold a portion of the wire, between its first arm and its second arm, at a substantially constant distance from the switch plate or PCB
Implementation Method 3
Each of the keys has a lifting mechanism configured and disposed to bias its keycap from the switch plate or PCB
Data Source
AI summary
Presently provided is a keyboard, key stabilizer mechanism, and method. At least one of the keys on the keyboard has a stabilizer mechanism with spaced apart bases. A stem is supported on each of the bases with perpendicularly disposed hinges. A wire is disposed to cooperate with a hinge supporting each of the stems.