Improved spice grinder
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Solution Overview
Problem
Conventional spice grinders are not easily refilled due to their permanent attachment to spice containers, limiting the reuse of the grinding assembly.
Innovation Solution
A removable grinder assembly for spice dispensers, featuring a snap-fit connection and a secondary threaded connection that allows easy detachment and reattachment, enabling the grinding assembly to be separated from the container for refilling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the grinding assembly is permanently attached to the container via snap-fit connection, then the connection strength is improved, but the ease of operation for refilling deteriorates
Solution Approach 1:
The coupling mechanism is divided into two distinct features: a first feature (protrusion) that provides permanent snap-fit connection, and a second feature (threaded engagement) that enables removable connection. This segmentation allows the grinding assembly to be both securely attached during use and easily separated for refilling.
Solution Approach 2:
The coupling mechanism transitions from a static permanent connection to a dynamic system where the second feature can be moved between engaged and disengaged states. The threaded feature allows controlled movement for attachment and detachment while the first feature maintains stable connection during operation.
2Device complexity
If a single coupling feature is used, then the device complexity is reduced, but the adaptability for both permanent attachment and removable connection deteriorates
Solution Approach 1:
Two different coupling mechanisms (snap-fit protrusion and threaded engagement) are merged into a single integrated coupling system located at the interior surface of the outer housing. This combination provides both permanent and removable connection capabilities within one structured assembly, enhancing adaptability while maintaining reasonable complexity.
3Reliability
If the grinding assembly is permanently attached, then the reliability of the connection is improved, but the loss of time for refilling increases
Solution Approach 1:
The coupling system is segmented into two functional features that work together: the first feature ensures reliable permanent connection during normal use, while the second feature provides a dedicated mechanism for quick detachment and refilling, reducing the time loss associated with refilling operations.
Data Source
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AI summary
A grinder assembly removably connectable to a container of a spice dispenser includes a stationary grinder component and a rotatable grinder component associated with said stationary grinder component to define a grinding chamber between a portion of said stationary grinder component and a portion of said rotatable grinder component. The rotatable grinder component is rotatable relative to said stationary grinder component about a grinding axis. The grinder assembly additionally includes a first feature for coupling the grinder assembly to said container and a second feature movable to selectively decouple the grinder assembly from the container.