Magnetic Mesh Tailgate Cover for Debris Retention

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Solution Overview

Problem

Existing solutions for preventing debris discharge from vehicle tailgates are costly, complex, and do not adequately address safety and convenience concerns, particularly in preexisting truck configurations.

Innovation Solution

A mesh-like canvas cover assembly with encapsulated magnets for secure attachment to the tailgate and truck bed, allowing air flow while preventing detachment during travel, and designed for easy installation, removal, and storage, accommodating various vehicle sizes and designs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If rigid covers are used to prevent debris discharge, then debris retention is improved, but air flow is blocked and the cover may detach due to wind pressure

Engineering Contradiction:

Improvedebris retentionVSAvoidair flow

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent employs mesh-like canvas material that is permeable to air, allowing air flow through the cover while still preventing debris from escaping. The mesh structure provides porosity that enables gas permeation while maintaining solid particle retention, resolving the contradiction between debris retention and air flow.

Inventive Principle:

Principle #31Porous materials

Solution Approach 2:

The patent uses flexible fabric panels instead of rigid covers. The flexible material can deform under wind pressure without detaching, and when combined with the magnetic attachment system, it provides reliable debris retention while maintaining air permeability.

Inventive Principle:

Principle #30Flexible shells and thin films

2Reliability

If complex attachment mechanisms are used to secure the cover, then attachment reliability is improved, but device complexity and cost increase

Engineering Contradiction:

Improveattachment reliabilityVSAvoidattachment mechanism

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical attachment mechanisms with a magnetic attachment system. Encapsulated magnets embedded in the fabric panels provide secure attachment to the vehicle body through magnetic attraction, eliminating the need for clips, straps, or other mechanical fasteners, thereby reducing device complexity while maintaining attachment reliability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The magnetic attachment system provides self-aligning and self-securing functionality. The magnets automatically attract to the vehicle body when the cover is placed in position, eliminating the need for complex adjustment mechanisms or manual fastening operations.

Inventive Principle:

Principle #25Self-service

3Reliability

If permanent fixed covers are installed, then debris retention is improved, but ease of installation and removal deteriorates

Engineering Contradiction:

Improvedebris retentionVSAvoidinstallation and removal

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent creates a dynamic attachment system using magnets that allows the cover to be easily attached and removed. The magnetic force provides sufficient retention during normal operation but allows simple manual removal when needed, enabling the system to transition between fixed and movable states as required.

Inventive Principle:

Principle #15Dynamics

4Reliability

If custom-fitted covers are made for each vehicle, then debris retention is improved, but adaptability to different vehicle configurations deteriorates

Engineering Contradiction:

Improvedebris retentionVSAvoidvehicle configuration compatibility

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent designs the fabric panel assembly to be universally applicable to different vehicle configurations. The flexible panels can be configured to fit various tailgate and bed combinations, and the magnetic attachment system works with different vehicle materials and designs, providing adaptability across multiple vehicle types while maintaining effective debris retention.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 solution provides a cost-effective, safe, and efficient debris collection system that is easy to use and store, offering a universal fit for multiple vehicle configurations, ensuring effective debris retention without compromising safety or convenience.

Implementation Method 1

The mesh-like canvas material is permeable to air thus allowing the passage of air therethrough from wind currents and other air flow

Methodology Applied

Scientific EffectPermeation: Permeation

Implementation Method 2

A mesh-like canvas cover assembly with encapsulated magnets for secure attachment to the tailgate and truck bed

Methodology Applied

Scientific EffectMagnetism: Magnetism

Data Source

PatentUS9126541B2Apparatus for collection of debris escaping around a vehicle tailgate

Publication Date: 2015.09.08 THE DUMPSTER DIAPER LLC

AI summary

A multi-panel cover includes end panels that connect first and second lateral panels. The lateral panels fit against the end and under the bed of a truck body and tailgate and are maintained in position by magnets incorporated into the seams along the edges and between the panels to collect debris that will otherwise escape through or around the tailgate of the vehicle.