Self-Balancing Flatware Design to Prevent Food-Contact Contamination
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Solution Overview
Problem
Current flatware designs fail to maintain hygiene as the food-holding portion often comes into contact with unhygienic external surfaces, leading to contamination, and there is a lack of reusable and ergonomic solutions for serving small food samples or bites that prevent such contact.
Innovation Solution
A self-balancing and stackable flatware design that suspends the head portion away from external surfaces using supporting elements connected to the handle and base, maintaining equilibrium and hygiene in both weighted and relaxed states, allowing for comfortable use and easy stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional flatware is placed on external surfaces, then it is easy to store and handle, but the head portion comes into contact with unhygienic surfaces causing contamination
Solution Approach 1:
The patent introduces a third dimension by adding supporting legs that extend downward from the base of the flatware. This elevates the head portion above the external surface, creating vertical separation. The supporting elements project below the base to rest on the external surface, while the head portion remains suspended in space, preventing contact with contaminated surfaces while maintaining storage functionality.
2Object-affected harmful factors
If the head portion is elevated to prevent contact with surfaces, then hygiene is improved, but the flatware becomes unstable when containing food
Solution Approach 1:
The patent employs the supporting legs as counterbalancing elements that extend downward from the base. These legs act as counterweights that stabilize the elevated head portion, preventing it from tipping forward when food is placed inside. The downward projection of the supporting elements creates a stable base that compensates for the upward elevation of the head, maintaining equilibrium in both weighted and unweighted states.
3Object-affected harmful factors
If supporting elements are added to elevate the head portion, then contact with external surfaces is prevented, but the device complexity increases
Solution Approach 1:
The patent merges the supporting elements with the existing structure of the flatware. The supporting legs are integrated into the base portion, forming a unified structure rather than separate attachments. This consolidation minimizes the number of discrete parts while achieving the elevation function, reducing overall device complexity despite adding the elevation capability.
4Ease of operation
If the flatware is designed to self-balance in both weighted and unweighted states, then usability is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent utilizes asymmetric design in the distribution of mass and geometry of the supporting legs relative to the head portion. The supporting elements are positioned and dimensioned asymmetrically to compensate for the weight of the head and create a balanced center of gravity. This asymmetric configuration allows the flatware to self-balance in both weighted and unweighted states, improving usability while the manufacturing precision requirements are managed through standardized geometric features.
Data Source
AI summary
A flatware comprising a head portion, a base, a handle connecting the head portion to the base, and a plurality of supporting elements resting on an outside surface. The handle extends upward and elevates the head portion above the base when the support rest on the outside surface. The flatware is in a weighted state when the head portion is holding a food or a fluid. The flatware is in a relaxed state when the head portion is empty. The base and the plurality of supporting elements hold the head portion in equilibrium and spaced away from the outside surface in both the weighted state and in the relaxed state. When stacked, the plurality of supporting elements and the base hold the flatware kit in equilibrium. When stacked, the head portions are spaced from one another and from the outside surface.