Multimode Tailgate Assembly with Segmented Connection Mechanisms

Solution Overview

Problem

The existing tailgate systems on trucks, off-road vehicles, and trailers lack versatility and ease of conversion between different operational modes, limiting their functionality for handling various cargo tasks.

Innovation Solution

A multi-mode tailgate system with upper and lower connection mechanisms and side cables that allow the tailgate to pivot, extend, and change positions, enabling it to function as a co-planar surface, spreader, workbench, and removable panel for enhanced cargo handling and access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the tailgate assembly is designed with fixed functionality, then the structure is simple, but the versatility and adaptability are limited

Engineering Contradiction:

ImprovefunctionalityVSAvoidstructure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The tailgate assembly is divided into multiple independent connection mechanisms: an upper connection mechanism and a lower connection mechanism. Each mechanism can be independently engaged or disengaged, allowing the tailgate to assume different positions and functions. This segmentation enables versatile operation modes (vertical, horizontal, removed) without requiring a completely complex redesigned structure, as each segment contributes a specific degree of freedom.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The tailgate assembly transitions from a static, fixed-position structure to a dynamic system where the tailgate panel can move between multiple positions. The upper and lower connection mechanisms provide controlled mobility, allowing the tailgate to pivot between vertical and horizontal positions or be completely removed. This dynamic capability delivers versatility while maintaining structural integrity through defined movement paths.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If the tailgate assembly includes multiple connection mechanisms for versatile operation, then the adaptability improves, but the ease of operation decreases due to complex adjustment requirements

Engineering Contradiction:

Improveoperational modesVSAvoidconversion between modes

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The upper and lower connection mechanisms are designed with self-latching or self-locking capabilities that automatically engage when the tailgate is positioned correctly. This self-service feature eliminates the need for manual adjustment or complex operation procedures, allowing users to switch between operational modes (vertical, horizontal, removed) simply by moving the tailgate to the desired position, where the mechanisms automatically secure it.

Inventive Principle:

Principle #25Self-service

3Productivity

If the tailgate is designed to remain in vertical position only, then the structural stability is maintained, but the productivity and cargo handling efficiency are reduced

Engineering Contradiction:

Improvecargo handling efficiencyVSAvoidtailgate position stability

Core Design Contradiction:

ProductivityVSStability of the object's composition

Solution Approach 1:

The tailgate assembly transitions from a static, fixed-position structure to a dynamic system where the tailgate panel can move between multiple positions. The upper and lower connection mechanisms provide controlled mobility, allowing the tailgate to pivot between vertical and horizontal positions or be completely removed. This dynamic capability delivers versatility while maintaining structural integrity through defined movement paths.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The tailgate assembly is divided into multiple independent connection mechanisms: an upper connection mechanism and a lower connection mechanism. Each mechanism can be independently engaged or disengaged, allowing the tailgate to assume different positions and functions. This segmentation enables versatile operation modes (vertical, horizontal, removed) without requiring a completely complex redesigned structure, as each segment contributes a specific degree of freedom.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS11273876B2Multimode tailgate assembly

Publication Date: 2022.03.15 MAHINDRA N A TECH CENT

AI summary

A cargo assembly is provided for use with a vehicle or trailer including a cargo area having a bed floor and a pair of sidewalls on opposite sides of the bed floor. The cargo area including an open end along an edge of the bed floor. A tailgate panel is disposed in the open end and includes first and second side edges having an upper connection mechanism and a lower connection mechanism that are each releasably and pivotally engaged with the pair of sidewalls.