Touchless Utensil Dispenser Design for Hygienic Sequential Ejection
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Solution Overview
Problem
Existing utensil dispensers face challenges in providing a hygienic, convenient, and economical means of dispensing disposable utensils, as they often become soiled, lack user convenience, and are wasteful due to excess packaging and handling concerns.
Innovation Solution
An automatic utensil dispenser with a touchless sensor system that triggers an automated dispensing mechanism, allowing for sequential ejection of utensils from a storage chamber, maintaining hygiene by protecting the food-contact end and minimizing human contact, and featuring adjustable settings for different utensil types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manually operated dispensers are used, then ease of operation is maintained, but hygiene is compromised due to frequent touching of handles, knobs, and actuators by multiple users
Solution Approach 1:
The patent replaces manual mechanical operation with an automated sensor-triggered system. A sensor detects when a user needs a utensil and automatically activates a motor-driven dispenser mechanism, eliminating the need for users to physically touch handles or knobs. This substitution of mechanical manual operation with automated sensing and actuation resolves the contradiction by maintaining hygiene while preserving ease of operation through automatic response to user needs.
Solution Approach 2:
The dispenser system performs the dispensing action automatically without requiring direct user interaction with the dispensing mechanism. The system serves itself by detecting user presence or need through sensors and autonomously releasing utensils, thereby eliminating contamination from manual handling while maintaining convenience for the end user.
2Reliability
If pouch packaging is used to ensure hygiene, then contamination is prevented, but cost increases due to processing and materials, and waste increases due to excess packaging
Solution Approach 1:
The patent extracts the utensils from individual pouch packaging and stores them in a centralized, hygienic dispensing system. The utensils are dispensed one at a time from a protected storage chamber, eliminating the need for individual pouches. This extraction of utensils from excessive packaging resolves the contradiction by maintaining hygiene through controlled dispensing while significantly reducing packaging material waste and processing costs.
Solution Approach 2:
The patent merges multiple individually packaged utensils into a single centralized dispensing unit with a common hygienic storage chamber. Instead of using separate pouches for each utensil, the system combines them in a protected environment and dispenses them sequentially, thereby reducing total packaging material while maintaining sanitation through the controlled dispensing mechanism.
3Reliability
If automated dispensing mechanism is implemented, then hygiene is improved by minimizing contact, but device complexity increases
Solution Approach 1:
The patent replaces complex manual handling and cleaning mechanisms with a simpler automated sensor-triggered dispensing system. The automation eliminates the need for frequent cleaning and maintenance of user-contact surfaces, as the only user interaction point is a sensor that requires no physical contact. This substitution reduces overall device complexity related to hygiene maintenance while improving hygiene performance.
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 solution ensures hygienic, convenient, and economical dispensing of utensils by reducing contamination risks, optimizing utensil usage, and minimizing waste through automated and touchless operation.
Implementation Method 1
a sensor for triggering the actuator in response to a user triggering the dispenser
Implementation Method 2
an actuator for driving the dispenser
Data Source
AI summary
A hygienic automatic electric utensil dispenser for use in eating establishments such as hospitals, schools, or other areas where large number of people are eating food in a central area. The dispenser can be refilled using prepackaged stacked plastic utensil in a self-sealing plastic bags without the user ever touching the utensil during the refilling process. The dispenser delivers the utensil in a sanitary method using a plurality of sensors.