Sanitary Finger Cap With Protrusions For Stable Food Grasping
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Solution Overview
Problem
Conventional sanitary finger caps are difficult to use for grasping food due to slippery surfaces, poor fit for varying finger sizes, risk of burns from hot food, and difficulty in preventing food odors and bacteria transfer.
Innovation Solution
A sanitary finger cap with a cylindrical insertion portion and a pyramid-shaped grasping portion, featuring protrusions, fixing grooves, and folding parts for improved fit, ventilation, and temperature insulation, along with a connection portion to prevent loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the surface of the cap is made smooth for easy cleaning and sanitation, then sanitation is improved, but the ability to stably grasp food deteriorates due to slipperiness
Solution Approach 1:
The cap applies different surface qualities to different regions: the main body remains smooth for sanitation, while the distal end incorporates protrusions to provide friction for grasping food. This local differentiation resolves the contradiction between overall smoothness for cleaning and localized texture for stable food handling.
2Ease of manufacture
If the cap is made with a fixed size to simplify manufacturing, then manufacturing complexity is reduced, but adaptability to different finger sizes and shapes deteriorates
Solution Approach 1:
The cap incorporates elastic materials and flexible structures that allow it to dynamically adapt to different finger sizes and shapes. The elastic properties enable the cap to stretch and conform to various finger geometries while maintaining a simple manufacturing process, resolving the contradiction between standardized production and customized fit.
3Ease of operation
If the cap is made thin for comfort and ventilation, then comfort and ventilation are improved, but thermal insulation deteriorates causing burns from hot food
Solution Approach 1:
The cap applies different thicknesses to different regions: the proximal portion remains thin for comfort and ventilation, while the distal portion increases in thickness to provide thermal insulation against hot food. This local thickness variation resolves the contradiction between overall thinness for comfort and localized thickness for heat protection.
4Adaptability or versatility
If the cap is made with a loose fit to accommodate all finger types, then adaptability is improved, but the cap becomes easily stripped off during use
Solution Approach 1:
The cap incorporates localized structural features such as protrusions and grooves at specific positions to enhance retention. These local features provide friction and mechanical interlocking with the finger, preventing the cap from being stripped off while maintaining overall adaptability to different finger types through the elastic and flexible design.
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
Enables stable and sanitary food grasping without direct contact, preventing food slippage and temperature transfer, while being adjustable and easy to remove, thus maintaining hygiene and comfort.
Implementation Method 1
a plurality of protrusions formed on the underside of a grasping portion, thereby stably maintaining the state of grasping food, while preventing food from slipping on the grasping portion
Implementation Method 2
folding parts formed on a partial or entire surface of an insertion portion, thereby improving the feeling of wearing and enhancing a ventilation performance thereof
Data Source
AI summary
A sanitary finger cap including: an insertion portion having a generally cylindrical shape and adapted to be fitted to a third knuckle of a finger connected to the center of a hand or to a portion of a second knuckle of the finger; and a grasping portion connected with one side of the insertion portion as a unitary body, in a shape of a general corn or pyramid in such a manner as to become small in thickness as it goes toward the other side thereof, and adapted to be fitted to a first knuckle as the end portion of the finger or to the second knuckle of the finger so as to grasp food thereon.