Structure for coupling toothbrush head to electric toothbrush handle
US11071612B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2021 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | Jan 11, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B9/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
This document discloses a coupling member for mounting a toothbrush head to an electric toothbrush. The coupling member includes a base having a first end with an opening for receiving a drive shaft of an electric toothbrush. The coupling member also includes a coupling section that extends from a second end of the base. The coupling section comprises a cylindrical sidewall that surrounds a cavity for receiving the drive shaft, and a set of teeth that extend into the cavity from the cylindrical sidewall along a longitudinal axis of the coupling section. This document also discloses a brush head incorporating such a coupling member, and an electric toothbrush to which such a brush head is attached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.