Magnetic Sheet Hanging Device to Prevent Poster and Wall Damage

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing methods for hanging posters on walls damage both the poster and the wall due to piercing, which is undesirable for collector's items and can be costly and time-consuming to repair.

Innovation Solution

A sheet hanging device comprising a magnet and a metal member that securely attaches to a substrate without piercing, using a releasable adhesive and magnetic attraction to hang posters without causing damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a thumbtack or pushpin is used to attach a poster to the wall, then the poster can be securely hung, but the poster and wall are damaged due to piercing

Engineering Contradiction:

Improvesecure attachmentVSAvoiddamage to poster and wall

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the mechanical piercing system (thumbtack or pushpin physically penetrating the poster and wall) with a magnetic field-based attraction system. The magnet in the hanging device creates magnetic attraction to hold the metal member against the wall, eliminating the need for physical penetration and thus preventing damage to both the poster and wall while maintaining secure attachment.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of operation

If piercing methods are used to hang posters, then attachment is simple and quick, but repair becomes time-consuming and costly

Engineering Contradiction:

Improveease of hangingVSAvoiddifficulty of wall repair

Core Design Contradiction:

Ease of operationVSEase of repair

Solution Approach 1:

The patent replaces the piercing-based attachment system with a magnetic attraction system that requires no penetration of the wall. The magnet and metal member create a reversible magnetic bond that can be easily detached and reattached without any damage to the wall, making both installation and removal simple and eliminating repair needs entirely.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Object-affected harmful factors

If adhesive is used to attach the metal member to the wall, then no piercing is required, but residue may be left upon removal

Engineering Contradiction:

Improveavoidance of piercing damageVSAvoidadhesive residue

Core Design Contradiction:

Object-affected harmful factorsVSObject-generated harmful factors

Solution Approach 1:

The patent replaces the adhesive-based attachment system with a magnetic field-based attraction system. The magnet creates a physical magnetic force that holds the metal member against the wall without requiring any chemical adhesive. This eliminates the problem of adhesive residue while still providing secure attachment that can be easily removed by simply overcoming the magnetic attraction.

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

Enables posters to be hung on walls without damaging the poster or the wall, preserving the integrity of both and allowing for easy adjustment and removal without leaving residue.

Implementation Method 1

a magnet and a metal member that securely attaches to a substrate without piercing, using a releasable adhesive and magnetic attraction to hang posters without causing damage

Methodology Applied

Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentUS9861216B2Method and apparatus for hanging sheet material

Publication Date: 2018.01.09 UNDER THE ROOF DECORATING

AI summary

A sheet hanging device is configured to attach a sheet of material (e.g., a poster) to a substrate (e.g., a wall) without causing any damage to the sheet or the substrate. The sheet hanging device includes a magnet and a metal member disc. The metal member disc is releasably attached to the substrate via adhesive. The magnet is carried by body member, and may be attached to an insert. The sheet is secured between the magnet and the metal disc as the two are brought together to create an attraction therebetween.