Locking Mounting Plate for Secure Truck Bed Storage Boxes
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Solution Overview
Problem
Existing storage box mounting systems for truck beds do not effectively prevent theft while maintaining transport space and are often costly or space-consuming solutions like vans and locking toolboxes are impractical.
Innovation Solution
A mounting plate with a rigid design and a lock mechanism that secures storage boxes to a truck bed, featuring recesses for box engagement and a rotatable locking bar to prevent removal, allowing for secure storage without reducing available space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lock mechanism is added to the mounting plate, then theft prevention is improved, but device complexity increases
Solution Approach 1:
The locking bar is nested within the mounting plate structure, with the bar positioned in a recess and the arm integrated into the plate body. This nesting approach allows the locking mechanism to be compact and integrated rather than adding external components, thereby improving theft prevention while minimizing the increase in device complexity.
Solution Approach 2:
The locking mechanism is segmented into distinct functional components: a rotatable locking bar with an arm, a key mechanism, and engagement features on the storage box. This segmentation allows each component to perform its specific function efficiently while maintaining overall system simplicity. The locking bar can rotate independently to engage or disengage the arm from the storage box flange.
2Reliability
If a locking mechanism is added to prevent theft, then security is improved, but transport space is reduced
Solution Approach 1:
The locking mechanism components are nested within the mounting plate structure. The locking bar resides in a recess, and the arm is integrated into the plate body, ensuring that the security features do not protrude into the cargo space. This allows security to be enhanced without sacrificing transport volume.
Solution Approach 2:
The locking bar operates in a vertical dimension through rotation, engaging with the storage box flange from below. This vertical operation allows the locking function to be achieved without occupying horizontal cargo space, effectively adding security in a different spatial dimension that does not interfere with transport capacity.
3Reliability
If expensive locking toolboxes are used, then theft prevention is improved, but cost increases
Solution Approach 1:
The locking system is segmented into simple, manufacturable components: a mounting plate, a locking bar, an arm, and a key mechanism. Each component can be produced using standard manufacturing processes and then assembled. This segmentation avoids the need for expensive integrated locking toolboxes while achieving comparable security at lower cost.
Solution Approach 2:
The locking function is extracted from the storage box itself and placed in a separate mounting plate system. This allows the use of simple, inexpensive materials for the mounting plate and locking components rather than requiring expensive locking toolboxes. The storage box remains a simple container while security is provided by the separate, cost-effective mounting plate assembly.
4Reliability
If a mounting plate with locking mechanism is used, then theft prevention is improved, but ease of operation is reduced
Solution Approach 1:
The key mechanism is positioned at a locally accessible location on the mounting plate, allowing easy operation from the user side. The locking bar and arm are positioned to engage with easily accessible features on the storage box flange. This local optimization ensures that while theft prevention is improved, the operation remains simple and intuitive for authorized users.
Data Source
AI summary
A mounting plate for a storage box, has a rigid plate having at least one recess for receiving a portion of a storage box, a means for mounting the rigid plate to a surface, and a lock for temporarily locking the storage box to the rigid plate. The lock has a key mechanism accessible from a user side, a rotatable locking bar responsive to an activation of the key mechanism, and an arm for engaging the storage box when the lock is in a locked configuration.