Spring-Actuated Hulling Nippers for Precise Hull Removal
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Solution Overview
Problem
Conventional methods for hulling food items, such as using knives or cumbersome devices, result in wastage and inefficiency, as they often remove edible portions and are difficult to use and clean.
Innovation Solution
A hulling device with a pushing member, cap, and nippers that can be actuated to open and close, allowing precise removal of the hull without wasting usable food portions, featuring sliding regions and a spring mechanism for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If conventional methods like knives are used for hulling, then the hull can be removed, but edible portions are also removed resulting in waste
Solution Approach 1:
The hulling device segments the hulling action into precise nipping points that target only the hull, separating the removal function from the edible flesh to prevent waste
Solution Approach 2:
The nipping members are designed to automatically grip and remove only the hull portion through their geometric configuration, making the device self-regulating in terms of removal precision
2Productivity
If cylindrical coring portioners are used, then hulling is more expedient, but a fixed volume is removed regardless of food item size resulting in waste
Solution Approach 1:
The nipping members are designed with adjustable geometry and positioning that can adapt to different food item sizes, allowing the device to maintain high speed while preventing waste through dynamic configuration
3Productivity
If cylindrical coring portioners are used, then hulling is more expedient, but residue builds up inside the core-removing cylinder making it difficult to clean
Solution Approach 1:
The device is segmented into removable components including the nipping members that can be easily detached and cleaned, eliminating the cleaning problems of enclosed cylindrical designs
Solution Approach 2:
Instead of having food pass through an enclosed cylinder, the design inverts the approach by having nipping members that grip and remove hull externally, making surfaces accessible for cleaning
4Device complexity
If conventional hulling methods are used, then simple tools are available, but the process is time-consuming and cumbersome
Solution Approach 1:
The hulling device incorporates multiple nipping members that can handle various hulling tasks simultaneously, providing a universal tool that maintains simplicity while dramatically increasing productivity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device enables efficient and precise hull removal with minimal waste, facilitating easy cleaning and operation, while minimizing the removal of edible parts, thus improving food preparation efficiency.
Implementation Method 1
a spring having a first end coupled to the pushing member and a second end coupled to the cap
Implementation Method 2
The sliding regions of the first and second nipping members are slidably positioned adjacent respective contact regions of the cap, the sliding regions respectively mutually shaped with the contact regions to facilitate movement of the respective tips away from each other as the sliding regions slide against the contact regions upon actuation of the pushing member
Data Source
AI summary
A hulling device includes a cap, a pushing member, a spring between the cap and pushing member, and at least one nipper having two nipping members coupled to the pushing member and extending toward the cap. The nipping members are mutually shaped with the cap and slide contiguous respective contact regions of the cap to separate tips of the nipping members upon actuation of the pushing member. The separated tips can be inserted in a food item, such as a strawberry, and twisted and pulled to hull the food item. The user can release the pushing member when the tips are in the food item to improve gripping and severing the hull. The hulling device can also include a main body housing at least a portion of the pushing member, cap, spring, and first and second nippers, the main body being coupled to the cap, the pushing member, or both.