Tailgate Platform Slide Assembly for Work Surface and Step Access
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Solution Overview
Problem
Existing vehicle tailgates lack multifunctionality, failing to provide expandable work surfaces and steps that enhance usability and functionality.
Innovation Solution
A multi-function tailgate with a platform that can be moved between a stowed, work, bed extender, and step position, featuring a slide assembly and pivot link mechanism to extend and rotate the platform for expanded workspace and step functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional fixed tailgate is used, then the structure is simple and reliable, but the functionality is limited and cannot provide expandable work surfaces or steps
Solution Approach 1:
The tailgate incorporates a movable platform that can transition between multiple positions (stowed, work, bed extender, and step positions) through a slide assembly and pivot link mechanism. This dynamic configuration allows the same structure to serve multiple functions: providing a flush work surface when extended, creating bed extension when rotated upward, and forming steps when positioned at specific angles, thereby resolving the contradiction between versatility and structural simplicity
Solution Approach 2:
The platform is designed to perform multiple functions within a single integrated structure. It can extend outward to create a work surface, rotate upward to extend the truck bed, and position itself to form steps for accessing the bed. This multi-functionality directly addresses the need for enhanced adaptability while maintaining a relatively compact and unified structural design
2Area of moving object
If the platform is extended outward to provide work surface, then the work area is increased, but the platform must be precisely aligned to remain flush with the inner facia
Solution Approach 1:
The slide assembly acts as an intermediary mechanism between the platform and the inner facia, providing guided linear movement that ensures the platform extends precisely in the correct direction. The pivot link serves as another intermediary that controls the rotation movement. These intermediary components translate simple actuation inputs into precise, controlled movements that automatically maintain proper alignment and flush positioning, reducing the need for high manufacturing precision in the platform-facia interface
3Adaptability or versatility
If the platform is rotated to create bed extender or steps, then the versatility is enhanced, but the mechanism complexity increases with slide link and pivot link
Solution Approach 1:
The movement mechanism is segmented into two independent functional components: the slide assembly for linear extension and the pivot link for rotation. This segmentation allows each component to perform its specific function with simple, well-defined motion, rather than requiring a complex single mechanism to handle both extension and rotation simultaneously. The platform button release further segments the control system, providing independent actuation for each position change
4Length of stationary object
If the platform is kept compact in stowed position, then the tailgate profile is sleek, but the work surface area is limited when extended
Solution Approach 1:
The platform is designed to nest within the inner facia recess when in the stowed position, creating a sleek, compact profile that integrates seamlessly with the tailgate. When work surface area is needed, the platform extends outward from this nested position. The nested configuration maximizes the retraction capability, allowing the platform to disappear completely into the recess, thereby providing the maximum possible extension length while maintaining a compact stowed profile
Data Source
AI summary
A multi-function tailgate may include an inner facia. A multi-function tailgate may include a slide assembly coupled to the inner facia. A multi-function tailgate may include a platform coupled to the slide assembly, wherein the platform is movable between a stowed position, a work position, a bed extender position, and a step position.