Cup Lid Dispenser Mechanism for Gravity Separation Without Deformation
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Solution Overview
Problem
Existing dispensing devices for food container lids face challenges in reliably separating individual lids from stacked, nested configurations without applying excessive force, which often results in bending or distortion, and pose health risks due to manual handling.
Innovation Solution
A device that supports a vertical stack of lids with upward-facing surfaces and grippers to minimize force, using 'hook-and-loop' fastening or similar materials to secure the stack, allowing the bottom lid to separate by gravity without deformation, and guides the lid to the user through a controlled dispensing mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If significant force is applied to separate lids from the stack, then individual lids can be dispensed, but the lids become bent and distorted and adjacent lids stick together
Solution Approach 1:
The lid stack is segmented into individual lids through a controlled separation process. The dispenser mechanism divides the nested stack into separable units by applying minimal force at specific separation points, allowing individual lids to be dispensed without distorting their shape or causing adjacent lids to stick together.
Solution Approach 2:
An intermediary separation mechanism is introduced between the lid stack and the dispensing area. This mechanism facilitates gentle separation by providing a controlled interface that prevents direct force application to the lids, thereby maintaining their structural integrity while enabling individual dispensing.
2Ease of operation
If manual handling of lids is allowed, then buyers can select lids, but health risks are created for subsequent buyers
Solution Approach 1:
The lid dispenser enables self-service by automatically presenting individual lids to the buyer without requiring manual handling of the stack. The mechanism dispenses lids one at a time through a controlled opening, allowing buyers to receive lids hygienically without touching or handling the remaining stack, thus eliminating health risks for subsequent users.
Solution Approach 2:
The harmful element of manual stack handling is extracted from the dispensing process. Individual lids are separated and presented to buyers without the buyers needing to touch or manipulate the main stack, removing the source of contamination risk while maintaining ease of access.
3Volume of moving object
If lids are arranged in a nested stack, then space is saved, but separation of individual lids becomes difficult
Solution Approach 1:
The lid dispenser introduces dynamic movement to the separation process. The mechanism uses controlled motion to gradually separate lids from the nested stack, transforming the static, difficult-to-separate stack into a dynamically separable structure. This allows lids to be individually dispensed while maintaining the compact stacked storage configuration.
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 reliable, force-free separation of individual lids from a stack, preventing bending and distortion, and facilitates easy access for users while maintaining hygiene by reducing manual handling.
Implementation Method 1
the support surfaces are moved downward and away from the stack in a manner to allow the single bottom-most lid to separate and fall from the remaining lids in the stack
Data Source
AI summary
A dispensing device and method is provided for separating individual food or drink container lids from a multiple-lid stack for use. The device supports a vertical stack of nested lids and allows a single bottom-most lid to fall away from the remaining lids in the stack. The device may be incorporated in a stand-alone dispenser for consumer use or be incorporated into existing or other incidental structures such as fast food restaurant countertops.