Multi-wheel rotational display assembly
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Solution Overview
Problem
Traditional shelving systems are fixed and difficult to access, requiring the use of ladders or step stools to reach higher shelves, which can be inconvenient and dangerous.
Innovation Solution
A multi-wheel shelving assembly utilizing a gear train system with a central drive gear, planetary gears, and orbiting gears, allowing shelves to be rotated to a desired access height while maintaining a level orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional fixed shelving is used, then structural stability is maintained, but accessibility to higher shelves deteriorates requiring ladders or step stools
Solution Approach 1:
The shelving system transitions from a static fixed structure to a dynamic rotatable structure where shelves can be rotated into accessible positions. The orbiting gears with attached shelves rotate around a central axis, allowing any shelf to be brought to an easily accessible height without requiring ladders or step stools.
Solution Approach 2:
The system adds rotational movement in a horizontal plane to the traditional vertical shelving arrangement. By orbiting the shelves around a central axis, the system creates a new dimensional approach to accessibility where shelves at different heights can be rotated into the user's reach zone.
2Ease of operation
If shelves are made rotatable to improve accessibility, then ease of access improves, but maintaining level orientation during rotation becomes complex
Solution Approach 1:
The system employs nested gears where planetary gears are positioned within orbiting gears, and both engage with a central drive gear. This nested configuration allows the planetary gears to rotate on their own axes while simultaneously orbiting around the central axis, maintaining shelf level orientation through the coordinated motion of multiple gear levels.
Solution Approach 2:
The planetary gears serve as intermediary elements between the central drive gear and the orbiting gears with shelves. These planetary gears transfer and transform the rotational motion, ensuring that as the orbiting gears move around the central axis, the shelves attached to them remain horizontal and level throughout the rotation.
3Ease of operation
If a multi-wheel gear train is used to rotate shelves, then accessibility improves, but the mechanism complexity increases with multiple gear layers
Solution Approach 1:
The central drive gear serves multiple functions: it directly drives the planetary gears, provides a reference axis for the orbiting motion, and transmits power to all shelves uniformly. This multi-functional design reduces the need for separate drive mechanisms for each shelf, simplifying the overall system despite the multi-layer gear configuration.
Solution Approach 2:
The system merges the rotation and orbiting functions into a single integrated gear train mechanism. The planetary gears simultaneously perform rotation on their own axes and orbiting around the central axis, combining multiple motion functions into one coordinated mechanism rather than requiring separate systems for each function.
Data Source
AI summary
The multi-wheel display assembly includes a lower display portion having a circular configuration in a horizontal plane and an upper display portion having a circular configuration in a horizontal plane that is displaced upwardly from the lower display portion by a plurality of support rods, each display portion including a plurality of planetary and orbital gears each having a peripheral edge and teeth appropriately engaged for rotation of the gear systems. Specifically, the display assembly includes a gearing system with a central drive gear, multiple planetary-gears, and a third layer of orbiting gears that each have a horizontal side wall for holding a display article such as a mug or food item and which remains level even as respective gears revolve. The orbiting gears and the planetary gears are radially arranged along concentric circumferential paths and connected to the central drive gear through complementary rotational movements and complementary gear teeth.