Clamshell Dock Assembly for Stable Keys and Compact Display Expansion
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Solution Overview
Problem
Existing computing devices with swivel hinge assemblies experience undesirable springiness in their keys, which can interfere with user grip and comfort, especially in tablet orientations, and lack efficient mechanisms for expanding the viewing area without increasing footprint.
Innovation Solution
A computing device assembly featuring a clamshell dock with a swivel hinge assembly that allows the auxiliary display to face forward or backward, and a secure magnetic attachment system for connecting with a computing device, enabling a seamless expansion of the display area and maintaining ergonomic key orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a swivel hinge assembly is used in a computing device, then the device can transition between different orientations (tablet, laptop, tent modes), but the keys exhibit undesirable springiness that interferes with user grip and comfort
Solution Approach 1:
The device is divided into separate functional modules: a keyboard assembly with stabilizing mechanisms and a display assembly with swivel hinge capability. This segmentation allows the keyboard to maintain stable key orientation while the display provides orientation versatility, resolving the contradiction between adaptability and ease of operation.
Solution Approach 2:
The keyboard assembly incorporates dynamic stabilizing mechanisms including magnets and springs that actively counteract the springiness caused by the swivel hinge. These dynamic elements adjust to maintain key stability during orientation transitions, allowing the system to achieve both versatility and operational comfort.
2Area of moving object
If the display area is expanded by adding external displays, then the viewing area increases, but the device footprint increases
Solution Approach 1:
The auxiliary display is designed to nest against the main display when not in use, similar to a nested doll structure. When expanded, the auxiliary display provides additional viewing area; when collapsed, it occupies minimal space, effectively resolving the contradiction between display area expansion and footprint reduction.
Solution Approach 2:
The display expansion is achieved in a dimensional direction that does not increase the device's footprint. The auxiliary display folds out from the side or top edge, utilizing vertical or lateral space rather than expanding the horizontal footprint, thus maintaining a compact form factor while providing expanded display capability.
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 solution provides a comfortable and ergonomic user experience by stabilizing key orientation and allowing seamless expansion of the display area, enhancing usability and mobility without increasing the device's footprint.
Implementation Method 1
a secure magnetic attachment system for connecting with a computing device
Data Source
AI summary
An assembly can include a clamshell computing device that includes a display, a keyboard and a side connector; and a clamshell dock that includes an auxiliary display and a side connector that mates with the side connector of the clamshell computing device.


