Multi-Axis Tablet Stand With Nested Folding Mechanism

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Solution Overview

Problem

Existing supporting devices for tablet computers are either bulky due to a fixed frame structure or thick due to a movable frame structure, making them inconvenient for storage, and often require additional weight to prevent the device from falling, which further increases thickness and weight.

Innovation Solution

A supporting device with a multi-axis rotation mechanism, featuring a base, connecting member, and supporting member with nonparallel rotation axes, allowing for flexible unfolding and folding, and incorporating an accommodating slot for stable support of the tablet's side edge, which reduces the overall thickness when folded, facilitating easier storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a fixed frame structure is used for supporting the tablet computer, then the supporting device provides stable support, but the device occupies a relatively large space and is inconvenient for storage

Engineering Contradiction:
Improvesupport stabilityVSAvoidstorage space
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The supporting device employs a movable frame structure with rotation joints that allow the base and supporting plate to move between extended and retracted positions. This dynamic structure enables the device to provide stable support when needed while being collapsible for compact storage, directly resolving the contradiction between support reliability and storage volume.

Inventive Principle:
Principle #15Dynamics

2Volume of moving object

If a movable frame structure is used to reduce occupied space, then the supporting device is more convenient for storage, but the thickness of the structure becomes larger than the tablet computer

Engineering Contradiction:
Improvestorage spaceVSAvoidstructure thickness
Core Design Contradiction:
Volume of moving objectVSLength of stationary object

Solution Approach 1:

The supporting plate and base are designed to nest within each other when retracted, with the supporting plate fitting into the base structure. This nesting arrangement minimizes the overall thickness of the movable frame structure when folded, ensuring it does not exceed the tablet computer's thickness while maintaining convenient storage capability.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Reliability

If the supporting device is weighted to prevent the tablet from falling, then the support stability is improved, but the weight and thickness of the device increase

Engineering Contradiction:
Improvesupport stabilityVSAvoiddevice weight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The movable frame structure is designed with counterbalancing mechanisms through its geometric configuration and distribution of components. The base and supporting plate are positioned and dimensioned to create natural balance points that provide support stability without requiring additional heavy weighting materials, thus maintaining portability while ensuring the tablet remains securely supported.

Inventive Principle:
Principle #8Anti-weight (Counterweight)

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 flexible and space-efficient way to support tablet computers, allowing for compact storage while maintaining stability without the need for excessive weight or thickness, enhancing portability and convenience.

Implementation Method 1

The connecting member is capable of rotating relative to the base about a first rotation axis

Methodology Applied
Scientific EffectRotation:

Implementation Method 2

The supporting member is capable of rotating relative to the connecting member about a second rotation axis

Methodology Applied
Scientific EffectRotation:

Implementation Method 3

the supporting device supports a tabular electronic device by a side edge portion of the tabular electronic device being accommodated in the accommodating slot

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentUS9690333B2Supporting device and portable electronic apparatus assembly
Publication Date: 2017.06.27 WISTRON CORP
  • US9690333B2 patent drawing
  • US9690333B2 patent drawing
  • US9690333B2 patent drawing

AI summary

A portable electronic apparatus assembly includes a tabular electronic device and a supporting device. The supporting device includes a base, a connecting member pivotally connected to the base, and a supporting member pivotally connected to the connecting member. The connecting member can rotate about a first rotation axis relative to the base. The supporting member can rotate about a second rotation axis relative to the connecting member. The first rotation axis and the second rotation axis are nonparallel. The supporting device can support the tabular electronic device by accommodating the tabular electronic device in an accommodating slot of the supporting member. Thereby, unfolding and folding of the supporting member relative to the base is more flexible. The whole thickness of the supporting device after folded can avoid being restrained by the thickness of the tabular electronic device.