Remote Tonneau Cover Drive Layout for Compact Cargo Box Integration
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Solution Overview
Problem
Conventional tonneau covers for vehicles are cumbersome, require significant manual interaction, and fail to integrate fully with the cargo box, leading to operational inefficiencies and increased space usage, while also being prone to misalignment and debris entry.
Innovation Solution
A tonneau cover system with a drive system that includes opposing side rails, a slat moving along these rails, and a motor-controlled cable mechanism for wireless or remote operation, allowing for automatic opening and closing, and integration with the cargo box to reduce packaging space and enhance usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional powered tonneau covers are used, then automation is improved, but device complexity increases and packaging space increases
Solution Approach 1:
The drive system is segmented into modular components: a motor assembly, a cable spool, and cable routing mechanisms distributed along the side rails. This segmentation allows each component to be independently optimized and simplifies the overall system architecture, reducing complexity while maintaining automation.
Solution Approach 2:
The cable spool is nested within the motor assembly, and the cable is routed through channels integrated into the side rails. This nesting approach minimizes the space required for the drive system components, reducing packaging space while maintaining full automation capability.
2Extent of automation
If conventional powered tonneau covers are used, then automation is improved, but packaging space increases
Solution Approach 1:
The cable routing system utilizes the vertical dimension by routing the cable through channels in the side rails rather than horizontally across the cargo box. This dimensional change allows the drive system to be compact and integrated along the length of the tonneau cover, minimizing the packaging space required.
Solution Approach 2:
The drive system components are merged with the structural elements of the tonneau cover. The cable channels are integrated into the side rails, and the motor assembly is positioned at the front panel, combining functional and structural elements to reduce overall packaging space.
3Device complexity
If manual operation is used, then device complexity is reduced, but ease of operation deteriorates
Solution Approach 1:
The tonneau cover drive system is designed to be self-servicing through automated motor-driven operation. The system can be controlled via wireless remote, sensor-activated, or integrated with vehicle systems, eliminating the need for manual cranking or complex mechanical operation while maintaining simple overall design.
4Ease of manufacture
If conventional tonneau covers are used, then ease of manufacture is improved, but reliability deteriorates due to misalignment
Solution Approach 1:
The cable routing system incorporates guidance channels and alignment features within the side rails that provide continuous feedback and constraint on the cable position. This ensures proper alignment during operation, preventing misalignment issues while maintaining ease of manufacture through standardized rail components.
Data Source
AI summary
A tonneau cover configured to cover a cargo box of a vehicle, comprising: (a) opposing side rails configured to attach to opposing sides of the cargo box; (b) a slat extending between and supported by the opposing siderails, wherein the slat is configured to move along the siderails; and (c) a drive system that drives the slat and moves the slat along the side rails from a closed position where the slat covers an interior of the cargo box, to an open position where the interior of the cargo box is exposed, wherein the drive system is controlled wirelessly by a remote device, by a sensor located along the cargo box, or both.