Rotatable Center Shelves for Flexible Utility Cart Storage
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Solution Overview
Problem
Existing utility carts lack individually rotatable shelves on each corner post, which limits customization and flexibility in storage and transport configurations.
Innovation Solution
A utility cart design featuring individually rotatable shelves on each corner post that can be positioned to form a center interior shelf, allowing for customization and extension beyond the cart's ends, with a corrugated shelving pattern for better ventilation and visibility, and wheels of varying sizes for ease of movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If utility carts use fixed shelves, then structural simplicity is maintained, but customization and flexibility in storage configurations are limited
Solution Approach 1:
The center shelf is divided into four individual rotatable sections, each independently rotatable about a corner post. This segmentation allows users to customize storage configurations by rotating individual sections to different positions, providing versatility without requiring a completely complex redesign of the entire shelf structure.
Solution Approach 2:
The center shelf sections are made rotatable rather than fixed, allowing dynamic reconfiguration of storage spaces. Each section can be rotated to different angular positions to accommodate various storage needs, transforming a static structure into a dynamic, adaptable system.
2Illumination intensity
If solid shelf surfaces are used, then structural strength is maintained, but visibility and ventilation of stored products are reduced
Solution Approach 1:
The shelf surfaces utilize an open corrugated pattern that provides porosity for improved ventilation and visibility of stored products. The corrugated structure maintains structural strength while allowing air flow and light penetration, eliminating the need for completely solid surfaces.
3Adaptability or versatility
If non-rotatable center shelves are used, then manufacturing simplicity is maintained, but user customization capability is limited
Solution Approach 1:
Dividing the center shelf into four separate rotatable sections allows each section to be manufactured independently and then assembled to the corner posts. This modular approach maintains manufacturing simplicity while enabling user customization through rotation of individual sections.
Solution Approach 2:
The rotatable design allows the center shelf to adapt to different user needs without requiring complex custom manufacturing for each configuration. The same basic rotatable sections can be arranged in multiple configurations to suit different customization requirements.
Data Source
AI summary
A utility cart having individually rotatable shelves on each corner post, whereby each shelf is constructed and arranged to adjoin together to form a center interior shelf in horizontal disposition between pairs of corner posts, is disclosed herein. The utility cart includes a top shelf and a bottom shelf supported in a separated state by four corner posts. A center shelf is provided in the form of four individual shelves each rotatably secured to one of the corner posts to be rotatable thereabout. The center shelves may be rotated to fit within the confines of the cart to function as a single shelf similar to the upper and lower shelves, or they may be positioned in pairs adjacent each other and extending beyond the end(s) of the cart or individually anywhere in between.