Kitchen appliance comprising a container with a coupling system
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Solution Overview
Problem
Existing kitchen appliances require multiple containers and counter-couplings for different processing speeds, making them cumbersome and prone to incorrect speed selection, which can lead to damage.
Innovation Solution
A compact coupling system within a single container that allows for easy switching between two drive outlets with different rotational speeds using a movable coupler and resilient means, eliminating the need for multiple containers and simplifying speed adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple containers with different counter-couplings are used for different processing speeds, then the kitchen appliance can process different types of food at appropriate speeds, but the device complexity and ease of operation deteriorate due to requiring multiple containers and counter-couplings
Solution Approach 1:
The patent combines multiple counter-couplings (first and second counter-couplings with different tooth configurations) into a single container bottom structure. The coupling system integrates both counter-couplings and a single coupling that can selectively engage with either counter-coupling, eliminating the need for multiple separate containers while maintaining the ability to process different food types at appropriate speeds.
Solution Approach 2:
The single container is designed with a universal coupling system that can accommodate both fast processing (engaging with first counter-coupling) and slow processing (engaging with second counter-coupling). The coupling mechanism itself is multi-functional, capable of selective engagement with different counter-couplings based on the processing requirements, making one container perform multiple functions.
2Adaptability or versatility
If multiple containers with different counter-couplings are used for different processing speeds, then speed variation is achieved, but ease of operation worsens due to the need to replace counter-couplings when changing tools
Solution Approach 1:
Both counter-couplings are merged into a single integrated structure at the container bottom, positioned adjacent to each other. The coupling can selectively engage with either counter-coupling without requiring physical replacement of components. This integration eliminates the operational complexity of replacing counter-couplings while maintaining the ability to switch between different processing speeds.
Solution Approach 2:
The coupling system is designed to be dynamically selectable, allowing the user to engage with either the first or second counter-coupling based on the processing tool being used. The movable element can shift position to engage with the appropriate counter-coupling, providing dynamic adaptability without requiring disassembly or replacement of components.
3Ease of operation
If a single container with integrated coupling system is used, then ease of operation improves by eliminating counter-coupling replacement, but device complexity increases due to integrating multiple counter-couplings in one container
Solution Approach 1:
The coupling system is segmented into distinct functional elements: a fixed element, a movable element, and a coupling with selectable engagement positions. The counter-couplings are segmented with different tooth configurations (first counter-coupling with more teeth for fast processing, second with fewer teeth for slow processing). This segmentation allows complex functionality to be achieved through modular, manageable components rather than a monolithic structure.
Solution Approach 2:
The movable element acts as an intermediary mechanism that facilitates selective engagement with either counter-coupling. It mediates between the user's selection and the mechanical engagement, allowing the coupling to shift position and engage with the appropriate counter-coupling without requiring complex control systems or multiple separate assemblies.
4Reliability
If counter-couplings are replaced when changing processing tools, then correct speed matching is achieved, but reliability decreases due to potential for incorrect speed selection and damage
Solution Approach 1:
The coupling system provides self-service through its design that guides the user to select the appropriate speed based on the processing tool being used. The movable element and engaging means are configured so that the correct counter-coupling engagement is naturally selected based on the tool type, reducing reliance on user memory or manual selection processes and minimizing the risk of incorrect speed matching.
Solution Approach 2:
The mechanical design of the coupling system provides inherent feedback through its engagement mechanism. The coupling can only properly engage with the appropriate counter-coupling based on the tool being used, providing tactile and mechanical feedback that confirms correct selection. This feedback mechanism prevents incorrect speed matching by making improper engagement physically difficult or impossible.
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 versatile and safe operation with reduced complexity, allowing for seamless speed changes without dismounting the container, enhancing user convenience and appliance durability.
Implementation Method 1
a resilient means arranged between the fixing element and the movable element
Data Source
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AI summary
A kitchen appliance with a container (1), configured to be removably attachable to a base (B) of the food processor (F), comprising a bottom (2) with an opening (3) and a coupling system (4) mounted therein, the coupling system (4) comprising a fixing element (4a), a movable element (4c), a resilient means (4b) and a coupler (4d) having a first engaging means (4d') and a second engaging means (4d") and being fixedly connected to the end of the movable element (4c) facing the bottom (2), wherein the coupler (4d) can be coupled to a first drive outlet (D1) or a second drive outlet (D2) of the food processor (F), wherein upon activation of the movable element (4c) the coupler (4d) is displaceable to a first operating position in which the first engaging means (4d') is engagable with the first drive outlet (D1) and upon deactivation of the movable element (4c) the coupler (4d) is displaceable to a second operating position in which the second engaging means (4d") is engagable the second drive outlet (D2).