Double-Handle Stackable Container for Stable Multi-Side Handling
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Solution Overview
Problem
There is a need for economical, stackable plastic containers that can maintain stability without external support and improve ergonomics for easy handling from multiple sides.
Innovation Solution
A stackable container design featuring a top with a receiving surface and a neck, a bottom with a clearance surface, and sidewalls with angled handles that allow ergonomic gripping from both sides, facilitating easy handling and stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional container designs are used, then manufacturing cost is reduced, but ergonomics and handling capability from multiple sides deteriorate
Solution Approach 1:
The container sidewall is segmented into multiple sections with handles positioned at different heights and locations. The first handle is positioned on the first sidewall section and the second handle on the second sidewall section, allowing users to grasp the container from multiple sides and positions, thereby improving ergonomics without requiring a completely new container design
Solution Approach 2:
The handles are positioned at different vertical heights along the sidewall, utilizing the vertical dimension to provide multiple gripping options. This dimensional arrangement allows users to access and handle the container from various angles and heights, enhancing ease of operation while maintaining a relatively simple overall structure
2Ease of operation
If containers are designed for easy stacking, then stacking stability is improved, but handling ergonomics deteriorate
Solution Approach 1:
The sidewall is divided into multiple sections with handles positioned at different heights, allowing the container to be handled ergonomically from multiple positions while maintaining a structured design that supports stable stacking when handles are not in use
Solution Approach 2:
The handles are strategically positioned at specific locations on the sidewall where they provide ergonomic gripping capability without interfering with the stacking interface. The local placement of handles allows them to serve their ergonomic function while the overall container geometry maintains stacking stability
3Ease of operation
If single-side handles are used, then manufacturing complexity is reduced, but ease of handling from multiple sides deteriorates
Solution Approach 1:
The sidewall is segmented into multiple sections with handles positioned at different heights and locations. This segmentation allows the container to be manufactured as a single piece with integrated handles while providing multiple gripping options, balancing manufacturing simplicity with multi-side handling capability
Solution Approach 2:
The handle structure is designed to serve multiple functions: it provides gripping capability for handling, maintains structural integrity of the sidewall, and positions itself optimally for both ergonomic access and stacking stability. This multi-functionality reduces the need for separate components and simplifies manufacturing
Data Source
AI summary
A stackable container for stacking over an identical base container. The stackable container comprises: a top including a receiving surface and a neck; a bottom including a resting surface and a clearance surface raised relative to the resting surface, the resting surface being adapted to rest on the receiving surface of the base container, and the clearance surface providing clearance for a neck of the base container; and a sidewall joining the top and the bottom to define a room in the stackable container. The sidewall includes a first wall and a second wall parallel to each other and respectively located on a first side and a second side of the stackable container, each sidewall including: an external face; and a handle defined by a shaped surface extending inwardly from the external face to a dividing handle-wall isolating the handle from the other side of the stackable container.