Detachable Tie-Down With Magnetic or Suction Surface Mounting

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Solution Overview

Problem

Traditional cargo securing devices require an existing anchor on the structure for attachment, which limits their usability on surfaces without anchors or where permanent anchors are undesirable.

Innovation Solution

A securing device comprising a frame, tether, and attachment device that allows attachment to surfaces without existing anchors, using magnets or suction cups for ferrous surfaces and optional covers to prevent scratching.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional cargo securing devices with hooks and loops are used, then they can engage existing anchors on structures, but they cannot be attached to surfaces without existing anchors

Engineering Contradiction:

Improveattachment surface compatibilityVSAvoiddevice structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent introduces a magnetic attachment device as an intermediary between the cargo securing device and the surface. This magnetic attachment device includes a magnet that can attach to ferrous surfaces without requiring pre-existing anchors, thereby enabling the securing device to be used on surfaces that previously could not be secured to.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the traditional mechanical anchor engagement system with a magnetic attachment system. Instead of requiring hooks and loops to engage physical anchors, the magnetic attachment device uses magnetic force to adhere to ferrous surfaces, eliminating the need for mechanical anchor points.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If permanent anchors are affixed to surfaces, then cargo can be securely attached, but the surfaces are permanently modified and cannot be used where permanent modification is undesirable

Engineering Contradiction:

Improveattachment securityVSAvoidsurface damage

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The magnetic attachment device serves as a non-permanent intermediary that provides secure attachment without permanently modifying the surface. The magnet can be attached and removed as needed, leaving no permanent damage to the surface while still providing reliable cargo securing.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the attachment mechanism from permanent mechanical fastening to temporary magnetic adhesion. This parameter change allows the attachment to be secure during use but removable without damage, transforming the attachment characteristics from permanent to temporary.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If magnets are used for attachment to ferrous surfaces, then attachment to surfaces without anchors is enabled, but the magnets may scratch or damage the surface

Engineering Contradiction:

Improveattachment capabilityVSAvoidsurface scratching

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a protective cover as an intermediary layer between the magnet and the surface. This cover prevents direct contact between the magnet and the surface, eliminating scratching while maintaining the magnetic attachment capability through the cover material.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent uses a thin protective cover or film over the magnet. This flexible or rigid thin layer protects the surface from magnet-induced scratching while allowing the magnetic field to penetrate and maintain attachment force.

Inventive Principle:

Principle #30Flexible shells and thin films

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 secure attachment of cargo to various surfaces, including flat and ferrous surfaces, with adjustable tethers and magnets providing strong pulling force while minimizing surface damage.

Implementation Method 1

The attachment device includes a magnet, and the magnet provides a pulling force that facilitates the attachment of the attachment device to the ferrous object

Methodology Applied

Scientific EffectMagnetism: Magnetism

Data Source

PatentUS20260008403A1Detachable Tie Down

Publication Date: 2026.01.08 JAMES JR LEWIS WILLIAM

AI summary

A novel securing device includes a frame having an anchor, a tether coupled to the anchor, and an attachment device coupled to the frame. The attachment device is configured to facilitate selective attachment to a planar surface. In a particular embodiment, the attachment device is a magnetic attachment device. Optionally, the magnetic attachment device is encased between the frame and a cover that prevents scratching of the planar surface to which the device is secured. In another particular embodiment, the attachment device is a suction cup. The magnetic attachment device and the suction cup may be interchangeable.