Removable Blade Holder Assembly for Simplified Food Processor Cleaning
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Solution Overview
Problem
Existing food processor blade holders are either difficult to clean and maintain due to their fixed nature or have complex structures with multiple components, which complicates assembly and maintenance.
Innovation Solution
A removable blade holder with a simplified structure, featuring a central blade portion acting as a washer for friction resistance and heat tolerance, eliminating the need for additional seals and using a bayonet locking system for easy installation and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed integrated blade holder is used, then the blade holder is permanently secured in the bowl, but cleaning the blades and space between the blade holder and bowl bottom becomes time-consuming and awkward
Solution Approach 1:
The blade holder is divided into separable components: the blade assembly can be removed from the bowl by detaching it from the drive shaft. This segmentation allows the blade to be easily detached for cleaning while maintaining secure operation during use.
2Ease of operation
If a removable blade holder with locking nut or bayonet system is used, then the blade holder can be easily changed and removed for cleaning, but the structure becomes complex requiring metallic surface for friction, multiple seals and components
Solution Approach 1:
The blade and its holder are merged into a single integrated assembly where the blade serves dual functions: as the cutting element and as the locking/friction component. The blade's central portion with through-opening acts as both the mounting feature and the friction surface, eliminating the need for separate metallic friction surfaces and multiple seals.
Solution Approach 2:
The blade's central portion serves multiple functions simultaneously: it provides the through-opening for shaft mounting, creates friction for locking, and acts as the structural connection point. This multi-functionality reduces the number of separate components needed in the blade holder assembly.
3Reliability
If multiple seals and components are used in removable blade holder, then locking security is improved, but assembly and maintenance become more complicated
Solution Approach 1:
Multiple sealing and locking functions are merged into the blade's central portion structure. The through-opening design inherently provides both the mounting interface and the friction-based locking mechanism, reducing the need for separate seals and complex assembly procedures.
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 solution simplifies cleaning and maintenance, enhances cutting efficiency with a balanced blade configuration, and provides secure locking without additional seals, improving user experience and appliance performance.
Implementation Method 1
a first seal positioned between the locking member and the central portion of the blade
Implementation Method 2
The central portion of the blade serves as a metallic washer which is resistant to the friction and heat that result from the rotation of the blade holder
Implementation Method 3
The central portion of the blade serves as a metallic washer which is resistant to the friction and heat that result from the rotation of the blade holder
Data Source
AI summary
A blade holder for a food processor, the blade holder including: at least one locking member, at least one blade, a support including at least one shaft, the blade being mounted on the support about the shaft, wherein the blade includes a central portion including a through-opening for the shaft of the support, the central portion of the blade including a first face, on which the support is positioned, and a second face, which is opposite the first face, which is configured to cooperate with a first seal positioned between the locking member and the central portion of the blade.