Tri-Folding Tonneau Cover One-Step Cable Latching Mechanism
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Solution Overview
Problem
Existing tonneau cover securing systems are complex, costly, and require specific clamps for each truck model, making them difficult to use and install, especially in bad weather, and often result in rusting and disruption of the truck's original look.
Innovation Solution
A novel clamping and releasing mechanism using adjustable front clamps and a push-down rear latching system with a single cable for one-step opening and remote actuation, allowing for easy installation and use on various truck beds with a lightweight and compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional clamp or latch systems are used to secure the cover, then security and vibration prevention are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The cover is divided into multiple panels that can be independently secured, with each panel having its own latch mechanism. This segmentation allows the complex securing function to be distributed across multiple simple, identical modules rather than requiring a single complex system.
Solution Approach 2:
The latch system automatically engages and disengages through the action of opening or closing the tailgate, which moves the cable. The system serves itself by using the natural motion of the tailgate to operate the latches without requiring separate manual intervention for each latch.
2Reliability
If rails and tubes are added to the truck bed to secure the cover, then security is improved, but the original appearance of the truck is disrupted and rusting may occur
Solution Approach 1:
The securing mechanism is extracted from the truck bed structure itself and relocated to the cover assembly. Instead of adding rails and tubes to the truck bed, the latches are integrated into the cover panels, which then engage with receiving structures on the truck bed that require minimal modification.
Solution Approach 2:
Rather than modifying the entire truck bed structure with extensive rails and tubes, the securing points are localized to specific positions where latches engage with the truck bed. This minimal local modification preserves the overall appearance while providing adequate security.
3Ease of operation
If separate opening and closing operations are required for each side of the cover, then precise control is improved, but ease of operation deteriorates especially in bad weather
Solution Approach 1:
The latch mechanisms on both sides of the cover are merged into a single operational system through the cable connection. Pulling or pushing the cable simultaneously operates both latches, combining what would otherwise be separate operations into one unified action.
Solution Approach 2:
The cable serves multiple functions: it operates both latches simultaneously, and its movement is driven by the single action of opening or closing the tailgate. This multi-functionality eliminates the need for separate controls for each side of the cover.
4Adaptability or versatility
If specific clamps are designed for each pickup truck model, then adaptability to specific configurations is improved, but device complexity and customization requirements increase
Solution Approach 1:
The latch and cable system is designed as a universal mechanism that can be installed on various pickup truck models without requiring model-specific customization. The same basic components and installation procedure work across different truck configurations.
Solution Approach 2:
The system incorporates adjustable elements that allow adaptation to different truck bed configurations without changing the fundamental design. The dynamic adjustability enables a single standardized system to accommodate variations in truck models.
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 simple, customizable, and user-friendly locking system that can be easily opened and closed with one action, is remotely controllable, and can be installed with minimal effort, addressing the complexity and specificity issues of existing systems while preventing rust and maintaining the truck's appearance.
Implementation Method 1
cables connected to the latches on both sides of the cover are guided with a set of pulleys to the central rear section of the cover
Data Source
AI summary
A tri folding tonneau cover having multiplicity of cross beams, a soft cover extending over the frame, a set of adjustable front locking system attached onto the two ends of a cross-beam located close to the front side of the frame, and a set of rear latching mechanism. The rear latching mechanism comprising of a set of latches, cables, guiding spools and a cable handle. Each cable can release one latch and all cables are connected to the cable handle through the guiding spools. Therefore, all latched can be released at the same time with pulling onto the cable handle.