Adjustable Grinder Stator With Visual Fineness Indication
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Solution Overview
Problem
Conventional grinding devices for condiments lack precise adjustment mechanisms, making it difficult for users to select the desired grinding fineness, as they often do not provide clear markings for positioning the stator relative to the rotor, resulting in inconsistent product quality.
Innovation Solution
An adjustable grinder with a rotor and stator featuring multiple rows of teeth and a rotary element with adjustable settings, allowing for continuous adjustment of grain size through a mechanism with visual marks and acoustic indicators, enabling users to select fine, medium, or coarse grinding based on desired fineness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a screw system is used to adjust the rotor relative to the stator, then the axial position can be varied to change grinding fineness, but it is not possible to provide marks for positioning the stator relative to the rotor, making it impossible to identify the grinding fineness
Solution Approach 1:
The patent applies visual marking systems (colors, patterns, or indicators) on the rotor or stator surfaces to indicate different grinding fineness levels. These markings allow users to identify and select the desired grinding setting without complex mechanisms, resolving the information loss problem while maintaining adjustment capability.
Solution Approach 2:
The patent incorporates visual feedback through markings and indicators that provide immediate information to the user about the current grinding fineness setting. This feedback mechanism allows users to confirm their selection and understand the relationship between rotor-stator positioning and grinding output.
2Measurement precision
If the rotor is made integral with an annulus furnished with pins to achieve graduated adjustment, then discrete grinding sizes can be obtained, but the device does not permit continuous adjustment of the ground product
Solution Approach 1:
The patent transitions from a static, discrete adjustment mechanism (pins in holes) to a dynamic, continuous adjustment mechanism. The rotor or stator is designed with continuously variable positioning capability, allowing smooth transition between different grinding fineness levels while maintaining precise control through visual indicators.
Solution Approach 2:
The patent segments the adjustment range into identifiable zones or regions marked with visual indicators, allowing users to select from multiple grinding fineness levels. This segmentation provides discrete selectable options while the underlying mechanism maintains continuous adjustability.
3Productivity
If multiple rows of teeth are added to the rotor and stator to improve grinding efficiency, then the grinding mechanism becomes more complex, but the device can ensure complete grinding of all contents without residue
Solution Approach 1:
The patent applies different tooth configurations, densities, or geometries to different local regions of the rotor and stator surfaces. This allows optimization of grinding efficiency in specific zones while maintaining overall simplicity of the device structure. Different areas can have specialized tooth patterns for different functions (e.g., initial breaking, fine grinding, residue removal).
Data Source
AI summary
An adjustable grinder, includes a container, a stator, a rotor, a drum, and a rotary slide. The container can hold a product to be ground. The stator is positioned on the container. The rotor is positioned opposite to the stator and can rotate with respect to the stator. The stator and the rotor each contain at least two rows of teeth to grind the product therebetween. The drum is positioned around the rotor. The rotary slide includes a pointer that can be adjusted such that a distance between the stator and the rotor increases or decreases. Additionally, the stator may include at least two extended teeth.