Diffuser and hair dryer having a diffuser
US11253040B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2020 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Oct 30, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A diffuser for a hair dryer includes a diffusing case, a guide frame provided inside the diffusing case to guide a flow of gas introduced into the diffusing case, a light irradiator provided inside the diffusing case and in front of the guide frame to irradiate light toward a front side of the diffusing case, and a discharge cover provided at the front side of the diffusing case. The discharge cover includes a gas discharge hole to discharge the gas inside the diffusing case to outside. The discharge cover includes a plurality of massage protrusions to press a target located in front of the discharge cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.