Shelf Box Securing Groove for Adjustable Pull-Out Retention
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Solution Overview
Problem
Existing shelf-box systems in automotive vehicles face challenges in securing boxes to shelves during transportation and use, particularly when loaded or parked on inclines, due to cumbersome designs that occupy space and lack flexibility for different shelf and box sizes.
Innovation Solution
A shelf-box system with a gripping groove in the pull-out direction of the box interacting with adjustable securing elements, allowing for secure positioning on various shelves and boxes, featuring a spring action device for automatic securing and easy manual release, and a mushroom-shaped securing element for versatile placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an upward bended front edge is used to secure the box in the pull-out direction, then the box is secured during transportation, but the box handling becomes cumbersome and occupies significant space when a second shelf is arranged above
Solution Approach 1:
The securing function is segmented into separate securing elements (such as clips or latches) that are distributed along the shelf, rather than using a single upward bended front edge. This allows the box to be secured at multiple points without requiring lifting over a high edge, making handling easier while maintaining securing reliability.
Solution Approach 2:
Instead of the box being lifted over an upward bended edge to access contents, the invention inverts the approach by providing securing elements that engage with the box at its lower region (via the gripping groove), allowing the box to be pulled out horizontally without vertical lifting motion.
2Reliability
If a tilting operation is used to release the box from its securing position, then the box is secured in closed and open positions, but the system becomes cumbersome and occupies significant space
Solution Approach 1:
The complex tilting mechanism is extracted and replaced with a simpler gripping groove and securing elements arrangement. The securing function is achieved through the interaction between the groove geometry and the securing elements, eliminating the need for tilting operations and reducing overall system complexity.
Solution Approach 2:
The gripping groove is designed to automatically engage with the securing elements when the box is placed on the shelf, providing self-securing functionality without requiring manual tilting or complex release mechanisms. The box simply needs to be pulled out horizontally to access contents.
3Ease of operation
If securing elements are arranged at fixed positions on the shelf, then the box securing is simplified, but the system lacks adaptability to different shelf and box sizes
Solution Approach 1:
The securing elements are made adjustable in their position along the shelf, allowing them to be dynamically repositioned to accommodate different box sizes and shelf configurations. This maintains the simplicity of the securing mechanism while providing adaptability to various dimensions.
Solution Approach 2:
The gripping groove design combined with adjustable securing elements creates a universal system that can accommodate different box types, sizes, and shelf configurations. The same basic mechanism works across multiple applications by simply adjusting the securing element positions.
Data Source
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AI summary
The invention discloses a shelf-box-system (1), for example for a cargo or a backspace shelf-system (7) in an automotive vehicle (6), wherein said shelf-box-system (1) comprises at least one shelf (2) with at least one pull-out box (4) thereon, said box (4) has a first storage/transport position and at least a second exposure position along the pull-out direction of the box (4), said shelf-box-system (1) further comprises at least one securing arrangement (14) to secure said box (4) to said shelf (2) in the pull-out direction (A). Said box (4) has at least one gripping groove (9), which extends in the pull-out direction in the lower region of said box (4), said gripping groove (9) of said box (4) is interacting with at least two securing elements (11), which are arrangeable at an adjustable distance in relation to one another in the pull-out direction of said box (4). Furthermore, it is disclosed a method of manufacturing a box (1) of said shelf-box-system (1).