Asymmetric Wall-Mount Assembly for Tool-Free Adhesive Removal

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Solution Overview

Problem

Existing adhesive technologies for mounting assemblies on walls often require tools for installation and removal, and they may leave residue or cause visual disfigurement, lacking flexibility in positioning and orientation.

Innovation Solution

A removably mountable assembly comprising a base plate and a mounting plate with a double-faced adhesive, where the mounting plate is asymmetrically deflectable, allowing for manual decoupling without tools and minimizing adhesive contact during positioning, using a coupling mechanism that allows a first portion to deflect outward while a second portion remains inward or moves slightly inward.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If double-faced adhesive tapes are used for mounting, then adhesive bonding capability is provided, but tools are required for installation and removal and residue or visual disfigurement may occur

Engineering Contradiction:
Improvetool-free mounting and removalVSAvoidadhesive residue and visual disfigurement
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The mounting plate is divided into two functional portions: a first portion with adhesive capability for bonding to the wall, and a second portion without adhesive for positioning and orientation. This segmentation allows the adhesive to be applied only where needed, enabling tool-free installation while preventing residue and visual disfigurement on the visible portion.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting plate has different properties in different regions: the first portion has adhesive properties for bonding, while the second portion has non-adhesive properties for positioning. This local differentiation of quality allows the assembly to be mounted without tools while avoiding harmful adhesive effects on the visible portion.

Inventive Principle:
Principle #3Local quality

2Reliability

If the mounting plate is fully bonded to the wall, then secure mounting is achieved, but positioning and orientation flexibility is lost

Engineering Contradiction:
Improvesecure mountingVSAvoidpositioning and orientation flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The mounting plate is designed to be positioned and oriented on the wall before the adhesive portion is fully bonded. The asymmetric configuration allows the second portion to be used for preliminary positioning, and then the first portion can be bonded to achieve secure mounting, ensuring both flexibility and reliability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The mounting plate transitions from a movable, adjustable state during positioning to a fixed, bonded state for secure mounting. The asymmetric design enables this dynamic transition by separating the positioning function (second portion) from the bonding function (first portion).

Inventive Principle:
Principle #15Dynamics

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 easy, tool-free mounting and removal of assemblies on walls without residue or visual disfigurement, allowing for precise positioning and orientation of accessories, and allows for partial bonding to facilitate temporary detachment and reattachment.

Implementation Method 1

a double-faced adhesive with a first major adhesive surface that is adhesively attached to a major surface of the mounting plate

Methodology Applied
Scientific EffectAdhesive bonding: Adhesive

Data Source

PatentUS9970475B2Wall-mountable assembly and method of use
Publication Date: 2018.05.15 3M INNOVATIVE PROPERTIES CO
  • US9970475B2 patent drawing
  • US9970475B2 patent drawing
  • US9970475B2 patent drawing

AI summary

An assembly that is removably mountable to a wall, the assembly including a base plate and a mounting plate that is asymmetrically deflectably coupled to the base plate.