Backing Plate Magnetic Attachment Rotation Resistance
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Solution Overview
Problem
Current magnetic holder backing plates allow items to rotate downward due to gravity, causing unsightly appearance and reduced visibility, and adhesive deterioration leads to product failure and choking hazards.
Innovation Solution
The backing plate design features a wider width to increase resistance torque, a thin magnet retainer front wall to enhance magnetic attraction, and optional ridge and groove features for secure fit, replacing adhesive for long-term durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adhesive is used to secure magnets, then initial attachment is achieved, but adhesive deteriorates over time causing product failure
Solution Approach 1:
The patent removes the adhesive component from the attachment system entirely, replacing it with a mechanical retention structure. The magnet retainer holds magnets through physical containment rather than chemical bonding, eliminating the deterioration issue inherent in adhesive-based systems.
Solution Approach 2:
The patent replaces the chemical bonding mechanism (adhesive) with a mechanical retention system. The magnet retainer uses physical structures such as recesses, clips, or interference fits to secure magnets, substituting a degradable chemical bond with a durable mechanical connection.
2Force
If magnet is placed close to fabric, then magnetic attraction is enhanced, but adhesive shatters under sudden attachment force
Solution Approach 1:
The patent eliminates the adhesive layer that is vulnerable to shattering, allowing magnets to be positioned close to the fabric without relying on adhesive strength. The mechanical retention system absorbs sudden attachment forces without the brittleness problem of cured adhesive.
Solution Approach 2:
The magnet retainer structure is designed to absorb and distribute sudden attachment forces before they reach the magnet-fabric interface. This cushioning effect prevents the shock from shattering any remaining adhesive bonds and protects the magnetic attachment system.
3Stability of the object's composition
If backing plate width is increased, then rotation resistance is improved, but device complexity increases
Solution Approach 1:
The patent addresses rotation resistance not by simply increasing the overall backing plate width, but by strategically positioning magnetic elements and structural features in specific dimensional arrangements. The magnet retainer and magnetic element placement create rotational stability through spatial configuration rather than sheer size.
Solution Approach 2:
The patent provides rotation resistance through localized structural features such as the magnet retainer geometry, magnetic element positioning, and targeted reinforcement areas. Rather than uniformly increasing the entire backing plate width, stability is achieved through specific local structural optimizations.
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 design minimizes rotation, maintains visibility, and ensures long-term magnetic attachment security without adhesive failure, reducing choking hazards.
Implementation Method 1
a magnet retainer 2, a magnet 3
Implementation Method 2
The width of the backing versus the length provides a greater resistance torque to the common rotation of items attached to the backing
Implementation Method 3
the adhesive that secures the magnets over time deteriorates or loses its hold
Data Source
AI summary
A backing plate having a front wall, a rear wall, a magnet, and a magnet retainer. The magnet retainer comprises magnet retainer front wall, and a thin wall that is thinner than the magnet retainer front wall. The magnet is located between the thin wall and the rear wall.