Acoustic attenuating ear muffs with mechanically actuated attenuation plugs
US11026843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2018 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Sep 14, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F11/145
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Acoustic attenuating ear muffs is provided with a first ear pod including a first ear cup having an inner surface and an outer surface, and a first acoustic attenuating member including a first opening coupled to the first ear cup. A second ear pod includes a second ear cup having an inner surface portion and an outer surface portion, and a second acoustic attenuating member including a second opening coupled to the second ear cup. A connecting member links the first ear pod to the second ear pod. A first selectively deployable plug member is arranged between the inner surface and the first acoustic attenuating member. A second selectively deployable plug member is arranged between the inner surface portion and the second acoustic attenuating member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.