Hard Folding Tonneau Cover With Direct-Mount Flush Panels

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Solution Overview

Problem

Existing hard folding truck bed covers either have a bulky side profile or require auxiliary side rail frames, which are costly, complex, and prone to water ingress, while prior art latches necessitate lowering the tailgate for access, posing safety and convenience issues.

Innovation Solution

A hard folding cover that mounts directly to the truck bed without auxiliary side rail frames, using no-drill mounting plates and rubber extrusions for hinges, allowing panels to fold flush with the bed, and includes a top-accessible latch for enhanced security and convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If auxiliary side rail frames with clamps are used to achieve a flush profile, then the cover profile is improved, but the device complexity and cost increase

Engineering Contradiction:

Improveflush profileVSAvoidauxiliary side rail frames

Core Design Contradiction:

ShapeVSDevice complexity

Solution Approach 1:

The patent removes the auxiliary side rail frames and clamps from the system entirely. Instead, the panel edges directly engage with the truck bed rails through integrated mounting features on the panels themselves, achieving the flush profile without the complex auxiliary framing structure.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The mounting function is merged directly into the panel structure. The panels include integrated mounting features that combine the previously separate functions of side rail frames, clamps, and panel edges into a unified system where the panels themselves provide both the cover surface and the mounting interface.

Inventive Principle:

Principle #5Merging (Combining)

2Shape

If auxiliary side rail frames are used to achieve a flush profile, then the cover profile is improved, but the manufacturing cost increases

Engineering Contradiction:

Improveflush profileVSAvoidmanufacturing cost

Core Design Contradiction:

ShapeVSEase of manufacture

Solution Approach 1:

The patent eliminates the auxiliary side rail frames and clamps, reducing the number of parts that need to be manufactured, inventoried, and assembled. This directly reduces manufacturing complexity and cost while maintaining the flush profile through integrated panel mounting features.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent uses simpler, more cost-effective materials and construction methods for the panels. By eliminating the need for expensive auxiliary rail frames and multiple clamps, the overall bill of materials is reduced, making the cover more cost-effective to manufacture.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Shape

If auxiliary side rail frames are used to achieve a flush profile, then the cover profile is improved, but water ingress risk increases

Engineering Contradiction:

Improveflush profileVSAvoidwater ingress

Core Design Contradiction:

ShapeVSObject-affected harmful factors

Solution Approach 1:

The patent removes the auxiliary side rail frames that created water ingress pathways. By having the panels directly engage with the truck bed rails through integrated features, the system eliminates the gaps and joints between separate components where water could penetrate.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent incorporates flexible sealing elements or weatherstripping as thin film barriers between the panels and the truck bed rails. These flexible seals conform to the interface geometry and prevent water ingress while maintaining the flush profile, without requiring complex rigid sealing structures.

Inventive Principle:

Principle #30Flexible shells and thin films

4Reliability

If latches are positioned on the bottom of panels, then the panel can be secured, but the tailgate must be lowered for access

Engineering Contradiction:

Improvepanel securityVSAvoidlatch access

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent inverts the traditional latch positioning by placing the latches on the top surface of the panels instead of the bottom. This allows the user to access and operate the latches from above the truck bed, eliminating the need to lower the tailgate, while still providing secure panel engagement through the same or similar locking mechanism.

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentUS12503895B2Folding tonneau cover

Publication Date: 2025.12.23 M2 DISTRIBUTION LTD

AI summary

A hard folding tonneau cover for a pickup truck bed is described. The cover assembly is affixed directly to the truck bed instead of prior art mounting frames attached to the sides of the truck bed. Each cover assembly includes a fixed bulk head panel and at least three foldable cover panels, connected to the bulk head panel, to enclose the open truck bed. A rubber hinge connector is provided between each panel to allow the panels to rotate up to 180 degree into a folded-open configuration. The panels are supported over the truck bed in a flush position by laterally projecting side frame elements. The cover panel adjacent the truck bed tail gate includes a locking latch assembly mounted exteriorly on the top surface and the bottom surface. Slam latching mechanisms mounted on the bottom cover panel surfaces secure the closed cover panels against the inside edge of the truck bed. The cover panels can be released without dropping the tailgate. The bulk head panel supports the stack of folded cover panels in a vertical position.