Cosmetic tool
US11844421B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Aug 26, 2022 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Aug 26, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1046
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cosmetic tool comprises a brush head, a material core, a movable sleeve, a fixed sleeve, and a transmission structure. The material core is mounted in the movable sleeve, the brush head is located at one end of the movable sleeve and is arranged opposite the material core, and a discharge port is formed in an end face of the material core facing the brush head. The fixed sleeve is sleeved outside the movable sleeve, and the movable sleeve can move along an axial direction. The fixed sleeve, the movable sleeve and the brush head are connected by means of a transmission structure, and when the movable sleeve moves along the axial direction, the movable sleeve drives the brush head) to turn over by means of the transmission structure, so as to dip in a cosmetic substance at the discharge port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.