A grinder
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Solution Overview
Problem
Existing spice grinders are complex and expensive to manufacture due to their intricate mechanical components.
Innovation Solution
The design incorporates two identical grinder parts with a geometric lock and press fits, allowing for a simpler assembly and operation without separate components for the grinding mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional spice mill designs with separate grinding mechanisms are used, then grinding functionality is achieved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent merges the grinding mechanism directly into the grinder parts themselves, eliminating separate grinding components. Each grinder part incorporates crushing surfaces that directly interact to grind spices, combining the function of holding and grinding into a single integrated component.
Solution Approach 2:
The grinder parts serve multiple functions: they contain the spices, provide the grinding surfaces, and transmit rotational motion. The same components that hold the spices also perform the crushing action, eliminating the need for dedicated separate grinding mechanisms.
2Ease of manufacture
If grinder parts are simplified for easier manufacture, then manufacturing cost decreases, but secure engagement during rotation may be compromised
Solution Approach 1:
The coupling means incorporate asymmetric geometric features including protrusions and recesses with specific orientation dependencies. These asymmetric elements ensure that the parts can only be assembled in the correct orientation and maintain secure engagement during rotation, preventing accidental disengagement while keeping the design simple.
Solution Approach 2:
The coupling surfaces utilize curved and rounded geometric features rather than sharp angles, allowing for smoother engagement and rotation. The rounded protrusions and recesses facilitate easy assembly while maintaining continuous contact during rotational operation.
Data Source
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AI summary
The invention relates to a grinder for crushing spices, which grinder includes: a first grinder part (100) with crushing means for comminuting a spice and a second grinder part (100') with crushing means for crushing a spice. The first and second grinder parts (100,100') comprise mutually adapted coupling means that enable the first and second grinder parts (100, 100') to be connected in a rotatable engagement. The crushing means in the first grinder part and second grinder part 100, 100') are mutually adapted so that the crushing means interact and thereby crush a spice placed between them, when the first grinder part and the second grinder part (100, 100') are rotated while connected. The means of the first grinder part and the second grinder part (100, 100') are the same.