Cargo Securement Rail With Web Retraction Mechanism
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Solution Overview
Problem
Conventional cargo securement systems for motor vehicles lack effective solutions for securely restraining cargo items in truck beds, particularly in pickup trucks, as they often fail to provide adequate restraint mechanisms that can handle various cargo types and sizes efficiently.
Innovation Solution
A cargo securement system comprising an elongated support rail mounted to the inner wall of a truck bed, with a cargo restraint module that includes a web retractor and a mounting assembly, allowing for secure attachment to the rail at multiple positions, and an optional lattice structure with openings for additional restraint points, enabling flexible and robust cargo restraint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional restraint devices are used, then cargo can be secured, but the system lacks adaptability for various cargo types and sizes
Solution Approach 1:
The support rail system serves multiple functions: it provides mounting points for restraint modules, acts as a structural framework, and enables positioning at various locations along the cargo area. The lattice structure similarly provides both structural support and multiple attachment points, making the system universally applicable to different cargo types and sizes.
Solution Approach 2:
The restraint modules can be dynamically positioned at different locations along the support rail using the mounting assembly, allowing the system to adapt to various cargo configurations. The web retractor mechanism dynamically adjusts web tension based on cargo position and movement, providing adaptable restraint force.
2Adaptability or versatility
If multiple restraint points are provided for different cargo sizes, then versatility improves, but the device complexity increases
Solution Approach 1:
The support rail is segmented with multiple discrete mounting positions along its length, allowing restraint modules to be positioned at various intervals. The lattice structure is segmented into multiple panels with openings at different locations, providing numerous attachment points without requiring a completely separate restraint system for each position.
Solution Approach 2:
The mounting assembly acts as an intermediary between the restraint module and the support rail, enabling a single module design to be attached at multiple positions along the rail. This intermediary component simplifies the overall system by allowing one restraint module type to serve multiple positions rather than requiring dedicated restraints for each location.
3Ease of operation
If a fixed restraint system is used, then installation is simple, but the system cannot accommodate moving cargo effectively
Solution Approach 1:
The web retractor mechanism provides dynamic restraint by automatically adjusting web tension as cargo moves. When cargo shifts, the web can pay out to accommodate movement while maintaining tension, then take up slack to restore restraint force, providing reliable restraint throughout cargo movement without requiring manual adjustment.
Solution Approach 2:
The system changes the parameter of web length dynamically through the retractor mechanism. The web can extend or retract based on cargo position, allowing the restraint system to maintain effectiveness as cargo moves while keeping the mounting structure fixed and simple to install.
Data Source
AI summary
A cargo securement system for securing cargo items in and to a cargo area of a motor vehicle may include at least one elongated support rail configured to be mounted to and to extend along at least a portion of a length of an inner wall of the at least one of a side, front or rear of the cargo area of the motor vehicle, and at least one cargo restraint module configured to be releasably secured to the at least one elongated support rail, at least a first portion of the at least once cargo restraint module configured to releasably engage at least one cargo item to restrain the at least one cargo item to and within the cargo area of the motor vehicle.