Slidable Vehicle Crossbar for Dynamic Load Positioning
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Solution Overview
Problem
Existing vehicle cargo bed crossbar systems lack efficient mechanisms for automatically repositioning to accommodate varying load heights and secure loads effectively, especially when loads are being loaded or unloaded.
Innovation Solution
A crossbar system slidably coupled to passenger and driver side rails, with an actuator assembly and control module that automatically positions the crossbar over the vertically highest point of a load, aided by a radar device for load scanning and illumination, and reinforced structures for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed crossbar system is used in the cargo bed, then the structure is simple and reliable, but it cannot accommodate varying load heights and positions
Solution Approach 1:
The crossbar system employs a slidable crossbar that can move along the side rails between forward and rearward positions, transforming the fixed structure into a dynamic one. This allows the crossbar to adapt to different load positions and heights while maintaining structural integrity through the rail-guided movement mechanism.
Solution Approach 2:
The side rails serve multiple functions: they provide structural support, guide the slidable crossbar movement, and enable position adjustment. This multi-functionality reduces the need for additional components while achieving adaptability across various loading scenarios.
2Productivity
If manual crossbar repositioning is used, then the system structure is simple, but it is time-consuming and inefficient for varying load configurations
Solution Approach 1:
The manual mechanical repositioning operation is replaced with an automated actuator system controlled by a control module. The actuator assembly, which may include motors or other actuation mechanisms, automatically moves the crossbar to the required position based on control signals, significantly improving loading efficiency while adding controlled mechanical complexity.
Solution Approach 2:
The radar device scans the cargo bed to detect load position and height, providing feedback to the control module. The control module processes this information and automatically adjusts the crossbar position accordingly, creating a closed-loop system that optimizes loading operations without manual intervention.
3Adaptability or versatility
If the crossbar is positioned for maximum forward reach, then it can access loads near the cab, but it cannot accommodate loads positioned toward the rear of the cargo bed
Solution Approach 1:
The crossbar is designed to slide along the side rails, enabling dynamic repositioning between forward and rearward positions. This dynamic capability allows the crossbar to access loads at any position along the cargo bed length, from near the cab to the rear, while the rail system maintains operational simplicity through guided linear movement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient and secure loading and unloading of cargo by automatically adjusting the crossbar position based on load height, enhancing load management and securing capabilities.
Implementation Method 1
a radar device configured to scan the load to reveal information identifying the vertically highest point of the load
Implementation Method 2
at least one light mounted to the crossbar. The at least one light is configured to illuminate the cargo bed
Data Source
AI summary
A vehicle assembly includes, among other things, a cargo bed of a vehicle, a passenger side rail mounted to a passenger side wall assembly of the cargo bed, and a driver side rail mounted to a driver side wall assembly of the cargo bed. A crossbar is slidably coupled to the passenger and driver side rails. The crossbar is slidable along the passenger and driver side rails between a forward position and a rearward position. The crossbar is closer to a cab of the vehicle when the crossbar is in the forward position than when the crossbar is in the rearward position.