Tongs with Half-Ring Grasping Portion for Wrist-Free Food Turning
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Solution Overview
Problem
Existing tongs require users to turn their wrists to rotate and turn over food, which can lead to wrist strain and are inefficient for handling thin and wide foods like meat patties and pancakes, with a risk of burning food due to slow handling.
Innovation Solution
The tongs feature a first grasping portion with a half-ring shape and a second grasping portion with an inclined surface and support surface, allowing food to be turned over by closing the tongs without wrist rotation, with the second grasping portion pushing the food up along the inner curved surface of the first grasping portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional tongs are used to grasp and turn over food one by one, then the user can handle food with bare hands safely, but it takes a lot of time and the user may injure the wrist when continuously turning foods
Solution Approach 1:
The tong is divided into two separate bodies (first tong body and second tong body) that can be independently positioned. The first tong body has a grasping portion that contacts the food, while the second tong body has a pushing portion that applies force to turn the food. This segmentation allows the turning action to be achieved through linear motion rather than wrist rotation, reducing wrist strain while maintaining handling speed.
Solution Approach 2:
The pushing portion of the second tong body acts as an intermediary element between the user's gripping action and the food. Instead of the user directly rotating the food with their wrist, they grip the handles which transmit force through the tong structure to the pushing portion, which then applies force to the food at an optimal point to achieve turning with minimal wrist movement.
2Productivity
If wide plate-shaped tongs are used to grasp multiple foods simultaneously, then handling efficiency improves, but the ability to grasp and turn over thin and wide foods such as meat patties is limited
Solution Approach 1:
The grasping portion of the first tong body is designed with specific local qualities - a curved surface that conforms to the shape of thin and wide foods like meat patties. The pushing portion of the second tong body has an inclined surface specifically shaped to apply force at the optimal location on these foods. This localized adaptation of surface geometry allows the tong to effectively grasp and turn various types of thin and wide foods while maintaining overall handling efficiency.
3Ease of operation
If the user turns the wrist to turn food over after grasping it with traditional tongs, then the food can be turned over, but it takes time and may cause wrist injury when heating large amount of foods
Solution Approach 1:
The tong incorporates dynamic geometry where the pushing portion is positioned and angled to work in conjunction with the natural arc of the user's closing motion. As the handles are closed, the pushing portion automatically traces a curved path that matches the required motion for turning food, converting simple closing motion into effective turning action without requiring additional wrist rotation, thus saving time and reducing wrist strain.
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
This design enables easy and efficient turning of food without wrist strain, effectively handling thin and wide foods by allowing the tongs to rotate the food as they close, reducing the risk of burning and improving handling efficiency.
Implementation Method 1
the first grasping portion may be made of an elastic material
Data Source
AI summary
Proposed are tongs for turning over food. More particularly, proposed are tongs, in which food is turned over as a first tong body and a second tong body are closed toward the food. The first tong body is provided with a first grasping portion having a half-ring shape with an open longitudinal section, and a second tong body is provided with a second grasping portion for pushing the food up along a curved surface of the first grasping portion, so that food between the tongs is rotated and turned over due to the internal structure of the tongs as the tongs are closed toward the food.