Vehicle Rooftop Rack Sliding Clamp Rail Assembly
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Solution Overview
Problem
Rooftop tents often require complex and time-consuming bolt-and-bail attachment mechanisms to vehicles, which are cumbersome and difficult to implement.
Innovation Solution
A rooftop tent mounting system featuring sliding clamps with adjustable jaws and a rail system that allows for easy alignment and secure fastening to vehicle crossbars, reducing installation complexity and improving robustness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If bolt-and-bail attachment mechanisms are used to secure rooftop tents to crossbars, then the attachment can support heavy loads, but the installation becomes complex and time-consuming
Solution Approach 1:
The attachment system is divided into separate functional components: a clamp body with jaws for gripping the crossbar, a separate mounting plate for attaching to the tent, and an integrated rail system. This segmentation allows each component to be optimized independently and simplifies installation by reducing the number of parts that need to be assembled together.
Solution Approach 2:
The clamp incorporates movable jaws that can open and close to grip the crossbar, transforming from a static bolted connection to a dynamic clamping mechanism. The sliding clamp design allows the mounting position to be adjusted along the rail while maintaining a secure grip, combining ease of installation with strong attachment.
2Reliability
If traditional bolt-and-bail mechanisms are used, then secure attachment is achieved, but installation time increases
Solution Approach 1:
The clamp is pre-configured with integrated mounting plates and attachment points, so that when the clamp is installed on the crossbar, the tent can be directly mounted without additional alignment or fastening operations. The rail system is pre-installed on the tent, allowing clamps to be slid into position and immediately secured.
Solution Approach 2:
The traditional bolt-and-bail mechanism is replaced with a sliding clamp system that uses friction grip and mechanical leverage through the jaw closure action. This substitution eliminates the need for multiple bolts, nuts, and washers, reducing installation time while maintaining secure attachment through the clamping force.
3Adaptability or versatility
If adjustable clamp positions are implemented along the rail, then versatility improves, but device complexity increases
Solution Approach 1:
The rail-clamp system serves multiple functions: it provides structural support for the tent, enables adjustable mounting positions for different crossbar configurations, and allows for easy installation and removal. The same basic clamp design can be positioned at various locations along the rail, eliminating the need for multiple specialized components.
Solution Approach 2:
The rail acts as an intermediary element between the tent structure and the crossbar mounting points. It provides a standardized interface that simplifies the connection while allowing positional adjustment, mediating between the fixed tent structure and the variable crossbar locations without requiring complex adjustment mechanisms.
Data Source
AI summary
An assembly for mounting a platform to a vehicle rooftop is disclosed. The assembly includes a rail mounted on a bottom side of the platform, having a linear track. A clamp assembly is slidably mounted in the linear track, and is configured to grip a crossbar. The clamp assembly includes a fixation device configured to stop movement of the clamp assembly in a selected position along the track.