Multi-Way Liftgate Assembly for Controlled Cargo Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing liftgate systems in SUVs require the entire rear compartment to be opened for access, which is time-consuming and inefficient, and lack controlled access to multiple secure areas within the cargo space.
Innovation Solution
A multi-way liftgate assembly with multiple access doors and dividers that allow controlled access to multiple secure compartments without opening the entire liftgate, featuring hinged and sliding doors that can be operated manually or automatically, and cargo trays for efficient cargo loading and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the entire liftgate is opened for access to the rear compartment, then full access to the cargo area is achieved, but the time and effort required to open and close the liftgate increases
Solution Approach 1:
The liftgate is divided into multiple independent access doors (left access door, right access door, upper access door) that can be opened separately. This segmentation allows users to open only the necessary portion of the liftgate for their specific needs, rather than opening the entire structure, thereby reducing the time and effort required for frequent access operations.
2Ease of operation
If the entire liftgate is opened for access, then the rear compartment is fully accessible, but security and control over specific cargo areas are reduced
Solution Approach 1:
The cargo area is divided into multiple secure areas (first secure area, second secure area, third secure area) corresponding to different access doors. This segmentation enables the vehicle operator to provide controlled access to specific compartments while maintaining security in other areas, allowing different levels of access control for different cargo zones.
Solution Approach 2:
Each access door provides access to a specific secure area with distinct access control characteristics. The system allows different access permissions and control levels for different portions of the cargo area, enabling local quality control where each compartment can be independently secured or accessed based on specific needs.
3Adaptability or versatility
If multiple access doors and dividers are added to create secure areas, then controlled access to multiple compartments is achieved, but the device complexity increases
Solution Approach 1:
The liftgate assembly is segmented into multiple independent access doors and dividers that can function independently or in combination. This modular segmentation provides adaptability for different access scenarios while managing complexity through standardized, replaceable components rather than a monolithic complex structure.
Solution Approach 2:
The access doors and dividers are designed to serve multiple functions: providing physical access, creating secure areas, enabling controlled access, and allowing different opening configurations (single door, multiple doors, upper portion). This multi-functionality reduces the need for separate specialized components, thereby managing overall system complexity.
4Strength
If the liftgate is made robust with heavy hinging and locking mechanisms, then the structure is strong and reliable, but the doors become heavy and slow to open and close
Solution Approach 1:
The heavy liftgate structure is segmented into multiple smaller access doors. Each individual door is lighter and can be opened and closed more quickly than a single large heavy door, while the overall structure maintains its strength through the distributed hinging and locking mechanisms across multiple points.
Data Source
Figure 1~4
Figure 5~6
Figure 7~10
AI summary
A multi-way liftgate assembly providing a plurality of dividers dividing the rear cargo area of a passenger vehicle into a plurality of secure areas assessable from a plurality of panels forming a liftgate to provide controlled access to one or more of those compartments. The vehicle opporator has secure control of which portions of the cargo area can be selecively accessed. The multi-way liftgate assembly provides multiple secure openings to the cargo area of a vehicle that typically has only one secure opening to the cargo area.