Magnetized Food Processor Tool Retention During Bowl Tilting
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Solution Overview
Problem
Existing mechanical food processors face difficulties in removing the knife from the bowl, especially when the contents are hot, as the knife can slip and fall during tilting, posing a safety risk and making manual removal challenging.
Innovation Solution
A magnetizing device is integrated into the food processor, using a permanent magnet located under the bowl or in the knife, which creates an attractive force between the knife and the bowl, preventing the knife from falling when tilting and allowing for easy manual removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the knife is made removable for easy cleaning and content transfer, then ease of operation is improved, but the knife may slip and fall during tilting, reducing reliability
Solution Approach 1:
The patent replaces the purely mechanical gravity-based retention system with a magnetic field-based retention system. A magnet is integrated into the driving shaft, creating magnetic attraction that holds the knife (made of ferromagnetic material) securely in place during tilting operations, while still allowing easy manual removal when needed.
Solution Approach 2:
The patent changes the physical state or property of the retention mechanism from mechanical (gravity-dependent) to magnetic. By introducing magnetic field strength as a new parameter, the system achieves both secure retention during tilting and easy removability, resolving the contradiction between reliability and ease of operation.
2Reliability
If the knife is firmly fixed to prevent falling, then reliability is improved, but the knife becomes more difficult to remove for cleaning, reducing ease of operation
Solution Approach 1:
The patent replaces strong mechanical fixation with a magnetic field-based retention system. The magnetic attraction provides sufficient holding force during tilting operations but allows easy manual removal, avoiding the complexity and cleaning difficulties associated with firmly fixed mechanical attachment systems.
3Reliability
If a complex snapping mechanism is used to secure the knife, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical snapping mechanisms with a simple magnetic field-based retention system. The magnet integrated into the driving shaft provides secure knife retention through magnetic attraction, eliminating the need for complex mechanical snapping components while maintaining reliability.
Solution Approach 2:
The patent extracts the retention function from complex mechanical snapping mechanisms and implements it through a simpler magnetic field-based system. This extraction simplifies the overall device structure while maintaining the essential function of secure knife retention.
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
The magnetizing device securely holds the knife in place during tilting, preventing accidents and facilitating safe handling, while also enabling easy disassembly for cleaning and efficient transfer of contents.
Implementation Method 1
a magnetizing device exerting a attraction force between the food treatment tool and the bowl
Data Source
AI summary
The invention refers to a mechanical food treatment processor comprising a driving block topped by a bowl. The driving block comprises a motor connected to a driving device having a substantially vertical axis. The bottom of the bowl comprises an opening to allow the passage of the driving device. The processor further comprises a food treatment tool having a fitting device to be fitted onto the driving device and a magnetizing device exerting a force of attraction between the food treatment tool and the bowl. Thus, it is possible to tilt the bowl with the claimed invention while preventing the treatment tool from inopportunely falling. The tool remains easily dismountable from the bowl and the driving device.