Articulating Tailgate Assembly With Extendable Steps for Bed Access
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Solution Overview
Problem
Existing pickup truck tailgates are large and cumbersome, limiting access to the cargo bed and lacking functional enhancements.
Innovation Solution
A multi-functional tailgate system integrating features such as sliding, accordion, extendable, and split gates, along with accessories like steps, lighting, and power sources, to enhance access and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the tailgate is made large to cover the cargo bed opening, then the cargo bed is fully protected and covered, but access to the cargo bed becomes difficult and requires climbing over the tailgate
Solution Approach 1:
The tailgate is divided into multiple segments including a main tailgate portion and one or more extendable steps. These segments can be independently positioned to provide both full coverage when closed and stepped access when opened, resolving the contradiction between coverage area and accessibility.
Solution Approach 2:
The tailgate incorporates dynamic elements such as extendable steps that can be deployed or retracted based on operational needs. The steps can be extended to provide climbing assistance and retracted to provide full coverage, allowing the system to adapt between the two opposing requirements.
2Ease of manufacture
If the tailgate is made as a single solid structure, then it provides simple construction and good structural strength, but it lacks additional functionality and cannot provide access enhancement features
Solution Approach 1:
The tailgate system is designed to perform multiple functions: it serves as a protective barrier when closed, provides stepped access when opened, and can be configured in various positions. The integration of extendable steps and multiple opening configurations transforms a single-function structure into a multi-functional system that addresses both security and accessibility needs.
Solution Approach 2:
The extendable steps are nested within or integrated with the main tailgate structure when not in use. This nesting approach allows the additional functional elements to be stored compactly within the tailgate assembly, maintaining a relatively simple overall structure while providing enhanced functionality when needed.
3Ease of operation
If the tailgate is rotated down to the open position, then some access is provided, but the large size and bulk of the tailgate still limit effective access to the cargo bed
Solution Approach 1:
By dividing the tailgate into a main portion and separate extendable step segments, the system allows the steps to be positioned independently. When the tailgate is opened, the steps can be extended to create intermediate platforms that bridge the height gap, effectively reducing the impact of the tailgate's full height on access difficulty.
Solution Approach 2:
The extendable steps act as intermediary elements between the ground and the cargo bed. These intermediate platforms provide stepping surfaces that facilitate gradual ascent to the cargo bed, mediating the transition and making access easier despite the tailgate's substantial height.
Data Source
AI summary
An articulating tailgate assembly with improved accessibility into a cargo bed of a vehicle, incorporating at least one door. The tailgate system provides a tailgate with a combination of predetermined plurality of functions for accessibility into the cargo bed of the vehicle and to improve functionality of the tailgate assembly.