Modular Storage Unit Assembly With Twist-Lock Fasteners
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Solution Overview
Problem
Existing storage units for vehicles require complex assembly with multiple parts and fasteners, making it challenging to assemble in tight spaces like work vehicles without pre-assembling and accessing both sides of fasteners.
Innovation Solution
Modular storage units with snap-fit assembled top, bottom, and side panels, and twist-lock fasteners that allow for easy assembly and configuration with a single tool, eliminating the need for additional mechanical fasteners and enabling assembly in confined spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional mechanical fasteners (bolts, nuts, washers) are used to assemble storage units, then the connection strength and stability are improved, but the assembly complexity and time increase significantly
Solution Approach 1:
The patent combines multiple fastening functions into a single integrated twist-lock mechanism. The twist-lock fastener integrates the locking, securing, and connection functions that traditionally required separate bolts, nuts, and washers, thereby reducing assembly complexity while maintaining connection strength.
Solution Approach 2:
The patent extracts and eliminates unnecessary fastening components (washers, lock washers, multiple nuts) from the traditional bolt-based assembly system. By removing these redundant parts and retaining only the essential locking function through the twist-lock mechanism, the assembly process is simplified without compromising structural integrity.
2Reliability
If access to both sides of fastener joints is required for assembly, then the fastening reliability is improved, but the ease of assembly in confined spaces deteriorates
Solution Approach 1:
The twist-lock fastener is designed to be self-servicing in terms of installation. The operator inserts the fastener from one side and completes the locking action by twisting, which automatically engages the locking mechanism without requiring access to the other side. This self-contained operation maintains fastening reliability while enabling assembly in confined spaces.
Solution Approach 2:
Instead of requiring the operator to access both sides of the joint to tighten fasteners from opposite directions, the patent inverts the approach by designing a fastener that locks from a single-sided insertion and twisting motion, eliminating the need for bilateral access while maintaining secure fastening.
3Adaptability or versatility
If multiple types of fasteners and parts are used for assembly, then the adaptability to different configurations is improved, but the quantity of parts and assembly time increase
Solution Approach 1:
The twist-lock fastener is designed as a universal component that can be used across all modular storage units regardless of size or configuration. This single multi-functional fastener replaces multiple specialized fasteners, reducing the quantity of parts needed while maintaining the ability to assemble various configurations of storage units.
Solution Approach 2:
The patent segments the storage system into modular units that can be independently assembled and then connected using the standardized twist-lock fasteners. This segmentation allows for configuration adaptability through modular combination while using the same reduced set of fasteners for all connections.
Data Source
AI summary
Modular storage units that can be assembled without additional fasteners or tools and then coupled together with or without optional shelves into an overall storage system using a common twist-lock fastener. The modular storage units are assembled from top, bottom and side panels. The top and bottom panels for each modular storage unit are structurally identical as are the side panels. Modular storage units having different widths have commonly sized and structurally identical side panels. Storage systems that are built up from the modular storage units can be easily assembled in work vehicles and other close quarters or tight spaces. The modular storage units can include plurality of trays or other articles for storing various parts, articles, etc.