Magnetic Construction Tiles With Rotatable Magnets for Flexible Connections

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Solution Overview

Problem

Existing manipulative construction sets face limitations due to mechanical interlocking structures requiring precise alignment, excessive connection forces, and cost issues, while embedded magnets result in weaker bonds and limited connection orientations.

Innovation Solution

A manipulative construction set with rotatable magnets exposed in pockets on the tile perimeter, allowing flexible connection orientations and stronger magnetic bonds, enabling self-organization into three-dimensional structures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If magnets are embedded entirely in the plastic construction tile, then the magnet is prevented from being removed from the tile, but the magnetic bond strength between connected tiles is reduced due to the plastic barrier

Engineering Contradiction:
Improvemagnet retention in tileVSAvoidmagnetic bond strength
Core Design Contradiction:
Stability of the object's compositionVSStrength

Solution Approach 1:

The magnet is partially extracted from the plastic tile, with a portion extending beyond the tile surface. This allows the magnet to maintain secure retention within the tile while exposing sufficient magnetic material to create strong magnetic bonds with adjacent tiles, eliminating the plastic barrier effect.

Inventive Principle:
Principle #2Taking out (Extraction)

2Stability of the object's composition

If the magnet is embedded in the plastic construction tile, then the magnet is secured in the tile, but the polarity of the magnet is fixed resulting in limited connection orientations

Engineering Contradiction:
Improvemagnet positioning in tileVSAvoidconnection orientation flexibility
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The magnet is configured to be rotatable within the tile, transitioning from a static embedded position to a dynamic position that allows rotation. This enables the magnet's polarity to reorient freely, allowing construction tiles to connect in multiple orientations while the magnet remains secured within the tile structure.

Inventive Principle:
Principle #15Dynamics

3Strength

If mechanical interlocking structures are used to connect construction tiles, then connection strength can be achieved, but precise alignment and critical alignment requirements are needed

Engineering Contradiction:
Improveconnection strengthVSAvoidalignment precision requirement
Core Design Contradiction:
StrengthVSManufacturing precision

Solution Approach 1:

The mechanical interlocking system is replaced with a magnetic field-based connection system. The magnetic attraction between magnets on adjacent tiles provides strong connections without requiring precise mechanical alignment or critical dimensional tolerances, as magnetic fields can attract tiles from slightly offset positions.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Strength

If mechanical interlocking structures are used, then connection strength can be achieved, but excessive connection forces are required

Engineering Contradiction:
Improveconnection strengthVSAvoidconnection force
Core Design Contradiction:
StrengthVSForce

Solution Approach 1:

The mechanical interlocking system requiring excessive insertion and alignment forces is replaced with a magnetic field-based system. Magnetic attraction provides strong holding forces without requiring high connection forces during assembly, as tiles are attracted to each other rather than requiring forceful mechanical engagement.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 rotatable magnets facilitate stronger connections and enable self-organization into various geometric structures, overcoming alignment and bond strength issues, and allowing for flexible assembly and disassembly.

Implementation Method 1

the polarity of the magnet is fixed resulting in limited orientations for connection of the construction tiles

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Implementation Method 2

The exposed portion of the magnet can rotate about between a first polarity and a second polarity such that a magnet of a first tile in the plurality of tiles and a magnet of a second tile in the plurality of tiles are capable of attracting the side of the first tile to the side of the second tile

Methodology Applied
Scientific EffectMagnetic rotation: Magnetism

Data Source

PatentUS12377362B2Magnetic construction tile set
Publication Date: 2025.08.05 RETROSPECTIVE GOODS LLC
  • US12377362B2 patent drawing
  • US12377362B2 patent drawing
  • US12377362B2 patent drawing

AI summary

A manipulative construction set comprising a plurality of construction tiles. Each of the tiles can comprise a side forming a tile perimeter, wherein the side includes an inward extending pocket formed therein. Each of the tiles can further comprise a magnet rotatably retained within the pocket, wherein a portion of the magnet retained in the pocket is exposed. The exposed portion of the magnet can rotate between a first polarity and a second polarity such that a magnet of a first tile in the plurality of tiles and a magnet of a second tile in the plurality of tiles are capable of attracting the side of the first tile to the side of the second tile by rotating to generate attracting polarities between the magnet of the first tile and the magnet of the second tile.