Dual-Axis Hinge Structure for Stable Tablet Rotation

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Solution Overview

Problem

Conventional transformable notebooks with central hinge structures are larger, heavier, and less stable for touch operations due to their size and weight, causing discomfort during use as a conventional notebook or flat computer.

Innovation Solution

A portable electronic device with a hinge structure comprising a support frame, rotating component, and pivotal components that allow for dual-axis rotation, reducing size and enhancing stability for touch operations by separating the components and incorporating a column-shaped battery and skidproof components for improved support and friction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a hinge structure is installed at the central portion of the display module with a large rotating base, then the transformable notebook can achieve transformable functionality between conventional notebook and flat computer modes, but the size and weight of the device become larger and heavier

Engineering Contradiction:
Improvetransformable functionalityVSAvoiddevice weight
Core Design Contradiction:
Adaptability or versatilityVSWeight of stationary object

Solution Approach 1:

The hinge structure is divided into multiple independent components: a rotating component with first and second rotating portions, pivotal components, and a support frame. This segmentation allows each part to be optimized independently, reducing the overall size and weight while maintaining the transformable functionality between notebook and flat computer modes.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If a hinge structure is installed at the central portion of the display module as the only pivot, then the transformable notebook can achieve mode transformation, but the display module becomes easy to shake causing user discomfort during touch operations

Engineering Contradiction:
Improvemode transformation capabilityVSAvoiddisplay module stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The single central hinge is segmented into a rotating component connected to the display module and a support frame connected to the host module, with pivotal components providing additional support points. This creates multiple pivot points rather than a single central pivot, significantly improving display module stability during touch operations while maintaining mode transformation capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The support frame acts as an intermediary structure between the host module and the rotating component. It provides additional support and stabilization to the display module during touch operations, preventing shaking while still allowing the display module to rotate between different modes through the rotating component.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Stability of the object's composition

If a large rotating base is used in the hinge structure, then the transformable notebook can achieve stable rotation between modes, but the device size becomes larger

Engineering Contradiction:
Improverotation stabilityVSAvoiddevice size
Core Design Contradiction:
Stability of the object's compositionVSWeight of stationary object

Solution Approach 1:

The rotation function is segmented into a rotating component with first and second rotating portions, each handling specific rotation axes. This allows for smaller, more compact rotation bases compared to a single large rotating base, reducing device size while maintaining rotation stability through the distributed rotational support across multiple components.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9042091B2Portable electronic device with hinge structure
Publication Date: 2015.05.26 WISTRON CORP
  • US9042091B2 patent drawing
  • US9042091B2 patent drawing
  • US9042091B2 patent drawing

AI summary

portable electronic device includes a host module, a display module and a hinge structure. The hinge structure is pivotally connected to the host module and the display module. The hinge structure includes a support frame, a rotating component and two pivotal components. An end of the rotating component is installed inside the support frame and another end of the rotating component is installed inside the display module, so that the display module is capable of rotating in a first rotating direction relative to the support frame. The two pivotal components are disposed at opposite sides of the support frame and separated from the rotating component. An end of each pivotal component is installed inside the support frame and another end of each pivotal component is installed inside the host module, so that the display module is capable of rotating in a second rotating direction relative to the host module.