Integrated Cargo Bed Retention Rail with Sliding Lock
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Solution Overview
Problem
Current cargo management systems for pick-up trucks lack a standardized method for attaching accessories, leading to inflexibility and difficulty in installing and removing various types of accessories, with existing solutions often requiring conventional bolting or requiring users to access the cargo bed for operation.
Innovation Solution
A fully integrated cargo management system with a castellated retention rail and sliding lock rail within the cargo bed side walls, allowing for a single point of retention and release via an actuation handle, and incorporating structural hooks for secure attachment of a wide range of accessories without obstructing access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional bolting is used to attach accessories, then structural retention strength is improved, but ease of operation deteriorates due to difficult and time-consuming installation and removal
Solution Approach 1:
The system divides the attachment function into separate components: a fixed retention rail with locking apertures and a movable locking member. This segmentation allows the locking mechanism to be independently operated without affecting the structural integrity of the attachment points, enabling easy installation and removal while maintaining strong retention when locked.
Solution Approach 2:
The locking member is designed to move between locked and unlocked positions along the retention rail. This dynamic element allows the system to transition from a static strong attachment state to a mobile easy-to-operate state, resolving the contradiction between retention strength and ease of operation.
2Reliability
If each accessory requires its own locking member, then individual accessory security is improved, but device complexity worsens and ease of operation deteriorates due to needing to access the cargo bed for each accessory
Solution Approach 1:
The retention rail serves multiple functions: it provides structural support, defines locking positions, and guides the locking member. This universal component replaces multiple individual locking mechanisms, reducing system complexity while maintaining security through the single locking member's interaction with predetermined locking apertures along the rail.
3Ease of manufacture
If the track is mounted outside the side wall, then ease of manufacture is improved, but aesthetic appearance worsens and integration deteriorates
Solution Approach 1:
The retention rail is nested within the cargo bed side wall structure, with the locking apertures aligned with access holes in the side wall. This nesting approach allows the functional components to be hidden within the existing structure, maintaining aesthetic appearance and integration while preserving ease of manufacture through straightforward alignment and installation.
4Reliability
If locking apertures are closed for secure retention, then reliability is improved, but ease of operation worsens when modification is needed
Solution Approach 1:
The locking apertures are predetermined and pre-positioned along the retention rail during manufacturing. This preliminary action allows accessories to be quickly installed by simply aligning and locking, while modification is equally simple by moving to a different predetermined aperture position, maintaining both secure retention and ease of operation for modifications.
Data Source
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AI summary
A structural attachment system for a cargo management system is fully integrated into the cargo bed side walls of a pick-up truck so that the only feature that is different than a standard pick-up is an array of holes along the top of the cargo bed side walls. The cargo management system also includes a wide range of different pick-up truck cargo bed mounted accessories that incorporate structural hooks that are adapted to be retained and released by the structural attachment system. Additionally, the structural attachment system provides a single point, simple method of retention and release via an actuation handle at the rear most point of the pick-up truck cargo bed. The configuration of the structural attachment system allows significant structural retention forces to be transferred from the accessories into the pick-up truck cargo bed side walls via the structural hooks.