Collapsible Coffee Filter Holder for Portable Single-Cup Brewing
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Solution Overview
Problem
There is a need for a portable, collapsible, and reusable coffee filter holder that can support a single cup of coffee, as existing solutions are either not portable or not collapsible, and many are disposable.
Innovation Solution
A coffee filter holder with a base and surrounding sidewalls that form a cone shape, allowing it to be easily assembled over a coffee cup and disassembled for portability, featuring interchangeable sidewalls and a planar member for stable support and collapsibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a coffee filter holder is made portable and collapsible, then ease of transport is improved, but structural stability may worsen
Solution Approach 1:
The coffee filter holder is divided into multiple detachable sidewalls that can be separated and collapsed for portability, then reassembled to form a stable conical structure when in use. Each sidewall can be independently positioned and secured.
Solution Approach 2:
The holder transitions from a collapsed static state for transport to an expanded conical state for use. The sidewalls are designed to be movable and reconfigurable, allowing the structure to dynamically change form while maintaining stability in the operational state through geometric arrangement.
2Ease of operation
If a coffee filter holder is made collapsible for portability, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The holder consists of multiple identical or similar sidewall components that can be separately manufactured and easily assembled. Each sidewall is a simple element, but together they form the complete collapsible structure, reducing individual component complexity while enabling overall collapsibility.
Solution Approach 2:
The sidewalls are designed as universal components that serve multiple functions: forming the conical structure, providing support, and enabling collapse. The same components perform both structural and portability functions, reducing the need for additional specialized parts.
3Adaptability or versatility
If existing coffee filter holders are used, then coffee filtering function is achieved, but portability and reusability are limited
Solution Approach 1:
The holder is designed to be recovered and reused rather than discarded. The durable construction and collapsible design allow the same holder to be repeatedly assembled, disassembled, transported, and reused for multiple coffee brewing cycles, eliminating the need for disposable holders.
Solution Approach 2:
The dynamic collapsible design enables the holder to be compacted for portable storage and then expanded for reuse. This transforms a static single-use structure into a dynamic multi-use tool that adapts between transport and operational states.
Data Source
AI summary
A coffee filter holder for a coffee filter element used with a coffee cup that has a base, a surrounding sidewall extending from the base, and the coffee cup surrounding sidewall terminating in a coffee cup rim defining a coffee cup interior, the coffee filter holder comprising a first surrounding sidewall, thus forming a cone shape about a first longitudinal axis for the first surrounding sidewall, a second surrounding sidewall about a second longwise axis that has an aperture disposed therethrough the second surrounding sidewall in two places along the first longitudinal axis such that the cone narrow end is disposed therethrough the aperture, with the second surrounding sidewall placed on a coffee cup rim with the wide end of the cone facing upward. Wherein the wide end of the cone received the coffee filter and ground coffee to pour hot water into that drips to the cup interior.