Toothbrush structure

The innovative toothbrush design with connecting posts and airflow grooves addresses the wastefulness and cost issue of conventional toothbrushes by enabling easy brush head replacement, extending its lifespan and reducing environmental impact.

TWM685248UActive Publication Date: 2026-07-11杜永昌
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Patent Information

Application Number
TW115202686
Authority / Receiving Office
TW · TW
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2026-03-26
Publication Date
2026-07-11
Estimated Expiration
2036-03-25

AI Technical Summary

Technical Problem

Conventional toothbrushes are wasteful and costly due to the entire unit needing replacement when the front half of the brush head deforms, despite the rear half remaining functional.

Method used

A toothbrush design featuring a handle with connecting posts and a brush head with engaging holes, allowing easy disassembly and reassembly of the brush head, facilitated by wear-resistant stainless steel connecting posts and airflow grooves for enhanced drying and hygiene, enabling the reuse of the handle with a new brush head.

Benefits of technology

Extends the brush head's lifespan, reduces waste, and lowers operational costs by allowing the reuse of the handle with a new brush head, while maintaining hygiene and safety through improved drying and easy replacement.

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Abstract

This invention relates to a toothbrush structure, including a handle and a brush head. The handle has a grip section at its rear end and a connecting section at its front end. Two connecting posts and at least one protrusion are vertically arranged above the connecting section. The brush head has a connecting plate below it, with a plurality of bristles arranged above the connecting plate. The connecting plate has engagement holes corresponding to the connecting posts, allowing the brush head to be mounted on the handle via these engagement holes and connecting posts. An airflow-permeable gap exists between the connecting plate and the connecting section, and the brush head can be mounted on the handle in different orientations. This invention is environmentally friendly, cost-effective, and hygienic.
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