Rotary Cutting Tool Mounting for Easier Food Ejection
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Solution Overview
Problem
Existing household food cutting appliances are complex in construction and difficult to use, particularly due to the arrangement of the rotary working tool and accessory housing, which complicates the removal of the tool and efficient ejection of cut food.
Innovation Solution
A motorized base with an integral working accessory featuring a drive member and rotary working tool, where the drive member is inclined and has hooks for secure engagement, allowing for easy assembly and disassembly, and a tapered rotary working tool for improved food ejection, with the accessory housing assembled by rotation for simplified operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the rotary working tool is held in place by a part mounted on the exhaust outlet of the accessory housing, then the tool can be securely retained during operation, but the construction becomes complex and the tool becomes difficult to remove
Solution Approach 1:
The patent removes the separate mounting part from the accessory housing and integrates the retention function directly into the drive member. The drive member itself forms hooks that engage with the rotary working tool, eliminating the need for an additional mounting component and simplifying the overall construction while maintaining secure tool retention during operation.
Solution Approach 2:
The patent combines the drive member and the tool retention function into a single integrated component. The drive member simultaneously transmits rotational motion to the rotary working tool and retains it through integrated hooks, merging two previously separate functions into one element to reduce construction complexity.
2Reliability
If the rotary working tool is held in place by a part mounted on the exhaust outlet of the accessory housing, then the tool can be securely retained during operation, but the tool becomes difficult to remove when food blocks the duct
Solution Approach 1:
The patent removes the separate mounting part and integrates retention directly into the drive member, allowing the tool to be retained during operation but easily released when needed. The integrated hooks on the drive member can disengage from the rotary working tool when food blocks the duct, enabling simple removal without requiring separate release mechanisms.
Solution Approach 2:
The patent creates a dynamic retention system where the hooks on the drive member can automatically engage with the rotary working tool during operation but can be easily disengaged when food blocks the duct. This dynamic behavior allows the system to adapt between secure retention and easy removal based on operational conditions.
3Productivity
If the drive member axis is inclined downwards in the direction of the front opening, then food ejection is improved, but the mounting and dismounting of the rotary working tool becomes more difficult
Solution Approach 1:
The patent removes the separate mounting part that complicated the mounting process and integrates retention directly into the drive member. The inclined axis configuration with integrated hooks allows food ejection to be improved while maintaining simple tool mounting and dismounting operations.
Solution Approach 2:
The drive member is pre-configured with hooks that are positioned to automatically engage with the rotary working tool when it is inserted into the accessory housing. This preliminary arrangement of the hooks ensures that the inclined axis configuration for improved food ejection does not require additional manual adjustment steps during tool mounting.
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
The appliance has a working accessory (2) integrated to a motorized base (1). A truncated rotating work tool (6) is engaged with a driver unit (8), when the work tool is placed in a housing (4) defined by an accessory case (3) of the working accessory. The driver unit is mounted in the housing along a rotation axis (14). The tool is supported in a lower part of the housing against a retaining stop (43). The driver unit forms a hook oriented towards the front with respect to a rotation direction of the driver unit. The tool has a cutting unit (15) made of plastic material.