Utensils for stacking
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Solution Overview
Problem
Conventional utensil dispensers face challenges in reliably dispensing utensils one at a time, often leading to jamming and unnecessary utensil usage due to flipping or rotating within the dispenser.
Innovation Solution
Utensils with axially oriented protrusions and shaped extensions, along with nesting features and recessed channels, stabilize the stack and facilitate reliable single-dispensing by preventing unwanted rotation and jamming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional utensils are loosely received in a dispenser, then ease of loading is improved, but reliability of single-dispensing deteriorates due to flipping and rotating
Solution Approach 1:
The utensil incorporates an asymmetric configuration with a protrusion on one side and a corresponding recess on the opposite side. This asymmetric design prevents the utensil from rotating or flipping within the dispenser, as the protrusion and recess create a specific orientation that must be maintained. The asymmetric features ensure that utensils stack in a consistent orientation, enabling reliable single-dispensing while maintaining ease of loading.
Solution Approach 2:
The utensil design features nesting capabilities where protrusions on one utensil fit into recesses of adjacent utensils in the stack. This nesting arrangement stabilizes the stack within the dispenser, preventing flipping and rotating movements. The nested configuration maintains structural integrity while allowing easy loading into the dispenser.
2Ease of manufacture
If utensils are stacked without stabilization features, then ease of manufacture is improved, but stability of the stack deteriorates leading to jamming
Solution Approach 1:
The asymmetric protrusion and recess features are integrated into the utensil structure during manufacturing. These asymmetric elements provide inherent stability to the stack by preventing rotation and flipping, while the design remains compatible with conventional manufacturing processes for disposable utensils.
Solution Approach 2:
The stability features (protrusions and recesses) are pre-formed as integral parts of the utensil during the manufacturing process. This preliminary incorporation of stabilization features ensures that when utensils are stacked in the dispenser, they automatically achieve stable configuration without requiring additional assembly steps or complex manufacturing processes.
3Ease of operation
If utensils can rotate freely in the dispenser, then ease of dispensing is improved, but productivity deteriorates due to multiple utensils being dispensed at once
Solution Approach 1:
The asymmetric protrusion and recess configuration creates a ratchet-like mechanism that allows utensils to be easily dispensed in one direction while preventing backward movement or rotation. This design enables smooth single-utensil dispensing action while maintaining productivity by ensuring only one utensil is dispensed at a time, preventing waste and operational inefficiency.
Data Source
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AI summary
A cutlery utensil that include a functional section and a handle. The handle can include a raised spine disposed on a first surface of the handle and having a height that varies from a first end of the handle in the direction of the functional section. At least one recessed channel can be formed in a second surface of the utensil, the second surface of the utensil being opposite the first surface of the utensil, wherein the recessed channel has a depth that varies from the first end of the handle in the direction of the functional section.