Foldable Magnetic Stand Cover for Stable Tablet Support

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Solution Overview

Problem

Conventional stand devices for electronic apparatuses, such as tablet PCs, lack usability improvements, particularly in terms of compact storage and easy switching between usage modes.

Innovation Solution

A stand device with pivotably connected plate portions forming an endless annular shape, allowing it to switch between a stand mode for upright electronic apparatus support and a cover mode for compact storage, featuring magnetic attraction for stable positioning and easy switching between modes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the stand device is designed to hold electronic apparatus in upright posture, then the support stability is improved, but the storage compactness deteriorates

Engineering Contradiction:
Improvesupport stabilityVSAvoidstorage compactness
Core Design Contradiction:
Stability of the object's compositionVSVolume of moving object

Solution Approach 1:

The first cover is divided into multiple plate portions (first, second, third, and fourth plate portions) that can be independently positioned and folded. This segmentation allows the cover to transform between a stable upright configuration for supporting the electronic apparatus and a compact folded configuration for storage, resolving the contradiction between support stability and storage compactness

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The plate portions are designed to be movable relative to each other through pivotable connections, enabling the stand device to dynamically transition between different modes (stand mode and cover mode). This dynamic capability allows the device to achieve both stable support when needed and compact storage when not in use

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the stand device structure is made complex to enable mode switching, then the functionality is improved, but the device complexity increases

Engineering Contradiction:
Improvemode switching capabilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The stand device combines multiple functions into a single integrated structure. The first cover serves both as a protective cover and as a stand support, while the plate portions simultaneously provide structural framework and enable mode switching. This merging of functions reduces the need for separate components, thereby limiting the increase in device complexity despite enhanced versatility

Inventive Principle:
Principle #5Merging (Combining)

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

Enhances usability by enabling easy switching between stand and cover modes, allowing for compact storage and stable support of electronic apparatuses, improving user convenience and design aesthetics.

Implementation Method 1

a first magnetic body is arranged in the second plate portion, a second magnetic body is arranged in the third plate portion, and the magnetic bodies are attracted to each other when the stand device is in the stand mode and in the cover mode

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentUS11181948B1Stand device
Publication Date: 2021.11.23 LENOVO SWITZERLAND INTERNATIONAL GMBH
  • US11181948B1 patent drawing
  • US11181948B1 patent drawing
  • US11181948B1 patent drawing

AI summary

A stand device includes a first cover and a second cover. The first cover and the second cover are pivotably connected to each other at their opposing side portions thereof. The first cover includes a first plate portion which support a rear surface of an electronic apparatus, a second plate portion coupled to the first plate portion, a third plate portion coupled to the second plate portion and a fourth plate portion 14 coupled to the third plate portion and the first plate portion, and the first to fourth plate portions are connected with each other to form an endless annular shape. The stand device is switchable between a stand mode and a cover mode.