Multi-head Toothbrush with Slidable Frangible Panel
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Solution Overview
Problem
Conventional toothbrushes do not efficiently manage the replacement of brushing heads, leading to inconsistent cleaning effectiveness and hygiene issues due to worn-out or old heads being used for extended periods.
Innovation Solution
A multi-head toothbrush design featuring a slidable panel with frangible areas allows for easy replacement of brushing heads, integrated with a housing that includes a timer display and light indicators to remind users of head replacement and brushing duration, ensuring hygiene and effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional single-head toothbrush is used, then the structure is simple, but the cleaning effectiveness deteriorates due to extended use of worn-out heads
Solution Approach 1:
The toothbrush handle is segmented into multiple independent brushing heads (first head, second head, third head) that can be individually replaced. Each head is separated by frangible areas in the panel, allowing users to replace only the worn head while keeping the handle and other functional heads intact, thus maintaining cleaning effectiveness without replacing the entire toothbrush.
Solution Approach 2:
Multiple brushing heads are pre-installed in the handle during manufacturing, with frangible areas pre-formed to enable easy replacement. The panel is designed with built-in frangible areas at specific locations that allow users to break off used heads without requiring additional tools or complex replacement mechanisms.
2Ease of operation
If the panel is made solid and continuous, then the structure is strong, but the ease of replacement deteriorates
Solution Approach 1:
The panel is segmented into multiple sections separated by frangible areas. These frangible areas are designed as weak points that can be easily broken by applying slight force, while the rest of the panel remains continuous and strong. This segmentation allows clean breaks at predetermined locations for head replacement without compromising the overall panel strength.
Solution Approach 2:
The panel has non-uniform structure: frangible areas with reduced strength at specific locations for easy breaking, and continuous strong material in other areas for structural integrity. This local variation in quality allows the panel to be both strong where needed and easily replaceable where required.
3Productivity
If multiple heads are installed in the handle, then the productivity of cleaning is improved, but the device complexity increases
Solution Approach 1:
Multiple brushing heads are merged into a single integrated assembly within one handle. The panel unifies all heads in a continuous structure with frangible areas, allowing multiple heads to function simultaneously in one toothbrush unit, improving cleaning productivity without requiring multiple separate toothbrushes.
Solution Approach 2:
The handle and panel assembly serves multiple functions: it houses multiple brushing heads for different cleaning needs, provides a unified structure for easy replacement, and includes integrated frangible areas for head separation. This multi-functionality reduces the need for multiple separate toothbrushes while maintaining simplicity.
Data Source
AI summary
A multi-head toothbrush assembly includes a housing that is elongated and has a first end, a second end and a perimeter wall. The first end comprises an exit door. Each of a plurality of spaced sets of bristles is attached to and extends upwardly from a top side of an elongated panel. A plurality of panel sections is defined between adjacent ones of the sets. Each of the panel sections and an adjacent set defines a head. A frangible area in the panel is formed at junctures of each of the heads to facilitate breaking the heads off from one another. The panel is slidable outwardly through the first end to expose the heads and allow the heads to be used for brushing teeth. The heads are broken off of the panel to allow a next one of the heads to be used.