Multi-Layer Truck Bed Hardtop With Stable Slat Positioning
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Solution Overview
Problem
Existing truck bed covers face issues such as leather detachment due to large adhesive areas, unstable movement of slats, and uneven gaps during unrolling, leading to waterproof failure and inconvenience in positioning.
Innovation Solution
A multi-layer hardtop structure with connected slat units, end support mechanisms, and positioning mechanisms to stabilize and secure the cover assembly, using connectors, limit assemblies, and quick fasteners to prevent detachment and ensure stable movement and accurate positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If leather is bonded to slats by adhesive to achieve continuous waterproof coverage, then waterproof integrity is improved, but adhesive cost increases and leather detachment occurs after long-term use
Solution Approach 1:
The patent replaces the chemical bonding method (adhesive) with a mechanical connection system. Connectors with clamping structures are used to mechanically attach the soft waterproof layer to the slats, eliminating the need for adhesive while maintaining waterproof integrity and reducing long-term detachment issues.
Solution Approach 2:
The patent changes the bonding mechanism from chemical (adhesive) to mechanical (connector with clamping force). This parameter change in the connection method eliminates adhesive cost and prevents leather detachment while maintaining the waterproof function.
2Ease of operation
If slats are connected only through hinge to enable rotation, then movement flexibility is improved, but movement stability deteriorates
Solution Approach 1:
The patent merges the hinge connection with additional limiting structures. The connector includes both a hinge component for rotation and limiting components that constrain the movement range, combining flexibility and stability in a single integrated connection system.
Solution Approach 2:
The patent introduces a connector as an intermediary component between slats. This connector includes a hinge for rotation and additional limiting structures that mediate the movement, providing both flexibility and stability through its dual-function design.
3Ease of operation
If gaps between adjacent slats are left for rotation movement, then operational flexibility is improved, but positioning accuracy deteriorates
Solution Approach 1:
The patent incorporates positioning mechanisms that pre-establish accurate positions for the slats during assembly and operation. The limiting structures and positioning mechanisms are designed in advance to ensure precise positioning while maintaining the necessary gaps for rotation.
Solution Approach 2:
The patent replaces simple gaps with a mechanical positioning system. The connector includes limiting structures and positioning mechanisms that mechanically control the position of slats, providing accurate positioning while maintaining operational flexibility.
Data Source
AI summary
A multi-layer hardtop structure includes a lower assembly, an upper assembly, and a soft layer, where the lower assembly includes multiple lower slat units, and the upper assembly includes multiple upper slat units; the upper slat unit is connected to the lower slat unit to form a rotation unit, or the lower slat unit alone forms a rotation unit; and the soft layer continuously covers the lower assembly, and is partially limited between the lower slat unit and the upper slat unit. In the multi-layer hardtop structure, the upper slat unit is connected to the lower slat unit, and the soft layer is provided between the upper slat unit and the lower slat unit. Therefore, the multi-layer hardtop structure has a desired waterproof effect and increases the load-bearing capacity of the entire hardtop.