Portable Computer Display Stability via Sliding Roller Mechanism
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Solution Overview
Problem
Existing portable computers, such as notebook PCs, face challenges in stabilizing the display at a tilted angle for touch operations due to torque-induced vibrations and the risk of the display toppling, with prior solutions being either unsuitable for notebook PCs or aesthetically and functionally cumbersome.
Innovation Solution
A portable computer design featuring a base with a sliding assembly that includes a roller sliding element and a slide rail, allowing the display module to rotate and slide to a suitable angle, supported by a pivotally connected support element, ensuring stability and aesthetics while minimizing bulkiness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a reactive torsion of a pivot bearing is used to keep the display at a fixed position, then the display can be held at a suitable angle, but the display vibrates back and forth when touched due to generated torque
Solution Approach 1:
The patent transitions from a static pivot bearing to a dynamic support arm mechanism that can actively adjust and maintain display position. The support arm incorporates movable components and adjustable linkages that adapt to touch forces, preventing vibration while maintaining stability through dynamic balance rather than fixed reactive torsion.
Solution Approach 2:
The support arm acts as an intermediary mechanism between the display and the base. Instead of directly relying on the pivot bearing's reactive torsion, the support arm with its multiple linkages and movable elements mediates the force transmission, distributing and balancing the torque to eliminate vibration while maintaining display stability.
2Stability of the object's composition
If the display is supported by a pivot bearing, then the display can be held at a tilted angle, but it can topple and fall backwards when too much force is applied
Solution Approach 1:
The support arm mechanism is designed with built-in mechanical limits and guiding structures that prevent the display from toppling backward. The linkage system inherently restricts the range of motion, providing protective constraints before excessive force can cause damage, rather than relying solely on the pivot bearing's passive resistance.
Solution Approach 2:
The dynamic support arm mechanism actively responds to applied forces by adjusting its configuration through movable elements. When force is applied, the mechanism redistributes loads through its linkages, preventing the display from toppling by dynamically adapting to the force rather than passively resisting it.
3Adaptability or versatility
If a support arm with complicated linkage elements is used to move the display, then the display can be rotated to change viewing angle, but the design becomes bulky and thick
Solution Approach 1:
The support mechanism is segmented into modular linkage elements that can be compactly arranged. By dividing the support function into discrete, manageable components (support arm, linkages, movable elements), the design achieves angle adjustment capability while minimizing overall volume through efficient spatial organization of these segmented parts.
Solution Approach 2:
The linkage elements and support components are nested within each other and integrated into the device structure. The support arm and its mechanisms are positioned to utilize existing structural spaces, and components are arranged in nested configurations that reduce the overall footprint and device thickness while maintaining full functionality.
4Stability of the object's composition
If guide grooves and pivoting mechanisms are disposed on both sides of the base, then the display can be supported, but additional spaces are required making the device bulky
Solution Approach 1:
The support function is merged into a centralized support arm mechanism rather than being distributed to both sides of the base. By combining the guidance, pivoting, and support functions into a single integrated support arm structure, the design eliminates the need for separate guide grooves and mechanisms on both sides, significantly reducing the base area requirement.
Solution Approach 2:
The support and guidance functions are extracted from the base structure and consolidated into the support arm mechanism. Instead of embedding guide grooves and pivoting mechanisms into the base on both sides, these functions are taken out and implemented in the support arm, freeing up base space and reducing overall device bulk.
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 design allows for stable and convenient touch operations by maintaining the display at a tilted angle, reducing the risk of damage and enhancing user experience with a compact, aesthetically pleasing structure.
Implementation Method 1
Each sliding assembly comprises a roller sliding element and a slide rail, wherein the slide rail is at least disposed in the second area of the base, the roller sliding element is connected with the connecting end of the display module, and the roller sliding element can roll and slide along the slide rail.
Implementation Method 2
the roller sliding element can roll and slide along the slide rail
Implementation Method 3
the second fixed end is pivotally connected to the rear end or a proximity of the rear end of the base, so that the support element is able to rotate relative to the base
Implementation Method 4
the first fixed end is pivotally connected to a portion of the display module other than the display face, so that the display module is able to rotate relative to the support element
Data Source
AI summary
A portable computer comprises a base, a display module, at least one support element and at least one sliding assembly. The base comprises a first area and a second area. The display module comprises a connect end and a display face. Each support element comprises a first end pivoted on a portion of the display module other than the display face and a second end pivoted on the rear end of the base. Each sliding assembly comprises a slide rail disposed at least in the second area and a roller sliding element connected with the connect end and moved along the slide rail.