Modular Grinding Core for Interchangeable Rasps and Easy Replacement
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Solution Overview
Problem
Existing kitchen grinders require distinct designs and materials for different functions, leading to increased manufacturing costs and user adaptability issues, as well as the need for full device replacement when the grinding mechanism wears out.
Innovation Solution
A modular grinding core with a housing, rasp support member, and grind block member, which can be coupled to various external grinding devices and rasps, allowing for adjustable grinding and dispensing of spices or food items, reducing the need for multiple grinding devices and enabling easy replacement of components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If distinct working portions are designed for distinct grinders, then each grinder can be optimized for its specific function, but the cost of design, manufacturing and materials increases
Solution Approach 1:
The patent implements a universal working portion design that can be used across multiple grinder models. The standardized working portion with consistent dimensions and mounting features allows a single design to serve multiple functions in different grinder applications, eliminating the need for custom-designed working portions for each grinder model, thereby reducing design and manufacturing costs while maintaining functional optimization
2Reliability
If distinct working portions are designed for distinct grinders, then each grinder can be optimized for its specific function, but user adaptability becomes difficult
Solution Approach 1:
The standardized working portion design with uniform mounting interfaces and dimensions enables users to interchange working portions across different grinder models. This universality allows users to adapt their grinders to different grinding needs by simply changing the working portion, significantly improving user adaptability while maintaining optimized performance for each specific grinding application
3Reliability
If the entire grinding product is replaced when the working portion expires, then reliability is maintained, but loss of substance and cost increase
Solution Approach 1:
The grinder is divided into separate replaceable components, with the working portion designed as an independent module that can be replaced without replacing the entire grinder. This segmentation allows users to replace only the worn working portion while retaining the housing and other functional components, reducing material waste and cost while maintaining the reliability of the overall grinding system
4Reliability
If the entire grinding product is replaced when the working portion expires, then device reliability is maintained, but manufacturing cost increases
Solution Approach 1:
By segmenting the grinder into a permanent housing and a replaceable working portion, the manufacturer can produce the expensive housing once and only replace the cheaper working portion when it wears out. This reduces the overall cost of ownership and makes the product more economical while maintaining the reliability of the permanent components
Solution Approach 2:
The working portion is designed as a consumable component with a limited service life that can be economically replaced. By making the working portion a separate, replaceable component rather than part of a non-repairable unit, the system allows replacement of only the worn component rather than the entire expensive device, reducing overall manufacturing and replacement costs
Data Source
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AI summary
A modular grinding core includes a housing configured to be operatively installed in a variety of external grinding devices, a rasp support member having a coupling adapter configured to be operatively coupled to an actuation mechanism of a first external grinding device at a first time and to an actuation mechanism of a second external grinding device at a second time after being removed from the first external grinding device. The rasp support member includes a receptacle configured to removably receive any one of a variety of rasps. The rasp support member is configured to reciprocate in response a force exerted by the external grinding device. The modular grinding core further includes a grind block member resisting displacement of the food items or spices away from the rasp support member, and an adjustment mechanism allowing a user to adjust a gap between the grind block and rasp support members.