Interlocking Bin Rails for Stable, Spill-Resistant Stacking
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Solution Overview
Problem
Conventional containers and lids lack stability and security when stacked, leading to potential dislodging and spills, and existing securing methods like cords or straps often become misaligned or loose, making transport unwieldy and prone to accidents.
Innovation Solution
A container bin and lid combination featuring slidably interlocking rails and grooves that prevent downward, lateral, and longitudinal movement, ensuring secure stacking and assembly with support structures or work stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional containers are stacked using cords or straps to secure them, then the containers can be connected and transported, but the cords or straps become misaligned or loose over time, making the stacking unstable and prone to accidents
Solution Approach 1:
The patent replaces the soft mechanical securing system (cords and straps) with a rigid mechanical interlocking system (rails and grooves). The rails extend downward from the container bottom and engage with corresponding grooves in the container lid, creating a hard structural connection that prevents lateral and longitudinal movement. This mechanical substitution eliminates the reliability issues of cords becoming loose while maintaining ease of operation through simple stacking motions.
Solution Approach 2:
The patent divides the container structure into distinct functional segments: the main container body, the lid, the downward-extending rails attached to the container bottom, and the upward-extending grooves in the lid. This segmentation allows each component to perform its specific function - the rails provide structural support and engagement points, while the grooves receive and secure the rails. The segmented design enables modular assembly and disassembly while ensuring stable stacking through precise geometric interlocking.
2Stability of the object's composition
If conventional containers are stacked without interlocking features, then the containers can be easily moved individually, but the stacked containers lack stability and are prone to dislodging and spills
Solution Approach 1:
The patent inverts the traditional stacking approach by having the container body (rather than the lid) provide the primary interlocking feature through downward-extending rails. Conventionally, lids provide the connection point for stacking, but this design reverses that by using the container bottom with rails that engage with grooves in the lid of the container below. This inversion creates a more stable stacked configuration while maintaining ease of operation, as the rails and grooves engage through simple vertical placement without requiring alignment of complex features.
3Reliability
If cords or straps are used to secure lids to containers, then the lid can be attached to the container, but the securing method becomes unwieldy for transport and prone to becoming loose
Solution Approach 1:
The patent replaces the flexible cord or strap securing system with a rigid rail-and-groove mechanical interlock. The rails extend downward from the container bottom and engage with corresponding grooves in the lid, creating a hard structural connection. This substitution eliminates the problems of cords becoming loose or misaligned during transport, while the simple geometry of the rails and grooves allows for easy engagement and disengagement, maintaining transport convenience.
Data Source
AI summary
The present disclosure relates to an interlocking bin having a main body and a lid. The main body has a bottom surface and first and second rails that project downwardly from the bottom surface and extend longitudinally. The first rail has a first foot, and the second rail has a second foot, each foot extending laterally and being spaced from the bottom surface. The lid has first and second rail receiving grooves and first and second lips. Each first and second rail receiving groove has an upwardly facing surface. The first and second lips are spaced from the upwardly facing surfaces defining a first and second groove cavity. The interlocking bin is configured to be in a stacked position with a second bin identical to the interlocking bin.