Dismantlable Coffee Dispenser for Tool-Free Cleaning Access

Solution Overview

Problem

Existing coffee machine dispensers are complex to dismantle and clean, requiring manual operations and special tools, and do not allow direct access to the dispensing chamber without tools.

Innovation Solution

A coffee dispenser designed with a hollow body formed into several pieces, allowing easy dismantling and assembly, enabling manual cleaning and access to the dispensing chamber without tools, and featuring removable engagement means for secure attachment to the housing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the dispenser is made as a single integrated unit, then the structure is simpler and more robust, but cleaning becomes difficult and requires special tools

Engineering Contradiction:

Improvestructural simplicityVSAvoidcleaning accessibility

Core Design Contradiction:

Ease of manufactureVSEase of operation

Solution Approach 1:

The dispenser is divided into multiple separable components: a removable front part that can be detached to access the dispensing chamber, and a rear part that remains attached to the machine body. This segmentation allows users to easily remove and clean the front portion without requiring special tools, while maintaining structural integrity when assembled.

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If the dispenser is made dismantlable into multiple pieces, then cleaning becomes easier, but the structure becomes more complex

Engineering Contradiction:

Improvecleaning accessibilityVSAvoidstructural complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The dispenser is divided into multiple separable components: a removable front part that can be detached to access the dispensing chamber, and a rear part that remains attached to the machine body. This segmentation allows users to easily remove and clean the front portion without requiring special tools, while maintaining structural integrity when assembled.

Inventive Principle:

Principle #1Segmentation

3Reliability

If the dispenser is securely attached to the housing, then operational reliability is improved, but dismantling for cleaning becomes more difficult

Engineering Contradiction:

Improveattachment securityVSAvoiddismantling ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The connection between the dispenser and housing uses a dynamic design with removable engagement means, allowing the dispenser to be easily detached and reattached. This enables simple removal for cleaning while maintaining secure attachment during operation, resolving the contradiction between reliability and ease of dismantling.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12582261B2Dismantlable dispenser for a coffee machine

Publication Date: 2026.03.24 DE LONGHI APPLIANCES SRL

AI summary

The coffee machine comprises an infused coffee dispenser comprising a hollow body delimiting at least one dispensing chamber for dispensing infused coffee and having at least one inlet hole for the infused coffee and at least one dispensing hole for dispensing the infused coffee, the hollow body of the infused coffee dispenser being formed into several pieces comprising at least one dismantlable first piece adapted for opening a direct access to the inside of the dispensing chamber.