Coffee Filter Dispenser with Friction-Based Separation Mechanism
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Solution Overview
Problem
Paper coffee filters in compressed stacks are difficult to separate by hand due to high friction between layers, posing hygiene challenges and risks of water overflow during brewing, and require minimal manual contact to prevent contamination.
Innovation Solution
A coffee filter dispenser with a container and dispensing mechanism that includes a transparent hinged lid and a rotatable dispensing mechanism with a knob and cylindrical rod to easily separate and remove individual filters from a stack with minimal contact, integrated with a base coffee container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If filters are stored in compressed stacks to save space, then storage efficiency is improved, but separation difficulty increases due to high friction between layers
Solution Approach 1:
A dispensing mechanism acts as an intermediary between the user and the filter stack. The mechanism includes a dispensing wheel with a friction band that engages the filter stack and applies controlled force to separate individual filters. This mediator eliminates the need for direct manual contact with the filters while solving the separation difficulty caused by compression.
2Ease of operation
If manual contact with filters is increased to facilitate separation, then separation ease is improved, but hygiene deteriorates due to contamination risks
Solution Approach 1:
The dispensing mechanism serves as a hygienic intermediary that transfers filters from the stack to the user without requiring direct manual contact. The friction band on the dispensing wheel contacts the filters, and rotating the wheel delivers individual filters to a dispensing position where they can be easily removed by the user, minimizing contamination risk.
3Productivity
If filters are separated quickly to improve brewing efficiency, then productivity is improved, but separation control worsens leading to potential overflow
Solution Approach 1:
The dispensing mechanism provides dynamic control over filter separation. The user can rotate the dispensing wheel at any speed, allowing quick separation when needed while maintaining precise control to prevent over-extraction or overflow. The mechanism adapts to the user's desired pace, enabling both rapid service and careful control.
4Ease of operation
If a dispensing mechanism is added to enable easy filter separation, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The dispensing mechanism is segmented into simple, independent components: a dispensing wheel with a friction band, a rotation mechanism, and a dispensing position. This segmentation allows each component to perform a specific function with simple construction, reducing overall complexity while maintaining ease of operation.
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 safe storage and easy separation of coffee filters with minimal manual contact, reducing exposure to contaminants and simplifying the brewing process while maintaining hygiene.
Implementation Method 1
a friction band (72) circumferentially disposed around the annular side
Data Source
AI summary
A coffee container and coffee filter dispenser combination that includes a base coffee container having a hollow interior volume and configured for placement on a flat surface, said coffee container having a hinged lid, a coffee filter container disposed atop said coffee container, wherein said hinged lid is a bottom side of said coffee filter container, said coffee filter container having a hinged lid, and a dispensing mechanism slidably and rotatably disposed in said lid of said coffee filter container, said dispensing configured to engage and separate individual coffee filters from a stack of filters contained in said coffee filter container.