Kitchen Appliance Container Lid Position Indication for Safe Operation
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Solution Overview
Problem
Existing kitchen appliances with rotating food processing tools face safety issues due to the lack of clear indication when the lid is properly closed, leading to potential misuse and safety concerns, especially for users who are not immediately aware of the lid's correct position.
Innovation Solution
A container with a position indication system featuring a lid and holding means, utilizing distinct communication elements and indication areas that provide visual feedback through color or characteristical features to clearly indicate whether the lid is safely closed or not, ensuring unambiguous operation of the appliance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical interlock system is used to prevent appliance operation when the lid is not properly closed, then safety is improved, but the user experience deteriorates because users cannot immediately understand why the appliance cannot be started
Solution Approach 1:
The patent implements a visual feedback system using color-coded indication areas (first and second indication areas) that provide immediate, intuitive information to the user about the lid position status. When the lid is correctly positioned, the first indication area becomes visible through the recess, providing clear feedback that the appliance can be operated. This resolves the contradiction by maintaining safety through the interlock mechanism while dramatically improving user experience through unambiguous visual feedback.
Solution Approach 2:
The patent employs color changes as a visual indication mechanism, where different indication areas (potentially with different colors or visual characteristics) become visible or invisible based on the lid position. This allows users to immediately understand the appliance status without technical knowledge of the interlock mechanism, resolving the contradiction between safety and ease of operation.
2Device complexity
If no position indication system is provided, then the device complexity is reduced, but the safety and proper operation of the appliance deteriorates due to user unawareness of lid position
Solution Approach 1:
The patent introduces a feedback mechanism that provides visual information about the lid position without requiring complex electronic systems. The indication areas are integrated into the existing mechanical structure, allowing the system to communicate its state passively through visual cues. This resolves the contradiction by enhancing safety through clear position indication while keeping the overall device complexity low.
Solution Approach 2:
The position indication system is designed to automatically provide information about the lid position without requiring user intervention or external power sources. The visual indication arises naturally from the mechanical configuration itself, with indication areas becoming visible or hidden based on the lid position. This self-service approach enhances safety without adding complex active systems.
3Device complexity
If a position indication means is integrated into the holding means, then the indication system is compact and integrated, but the ease of cleaning and maintenance deteriorates due to the integrated structure
Solution Approach 1:
The patent segments the holding means into separable components, allowing the container to be detached from the holding means for cleaning purposes. This segmentation enables users to easily clean the container and blade assembly without disassembling the entire appliance, while still maintaining the integrated position indication function when assembled. This resolves the contradiction by providing both integration benefits and cleaning ease through modular design.
Data Source
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AI summary
A container (1) for a kitchen appliance comprising: - a lid (2) with a first communication element (2a), - a holding means (3) with a recess (4) and having a position indication means (5), wherein the position indication means (5) comprises a first indication area (5b), a second indication area (5c) and a second communication element (5a) being configured to communicate with the first communication element (2a) so that: when the lid (2) is positioned correctly in relation to the container (1), by means of a first indication area (5b) the user is given information that the lid (2) is safely closed or when the lid (2) is positioned incorrectly in relation to the container (1), by means of a second indication area (5c) the user is given information that the lid (2) is not safely closed.