Water sports ear plug
US5881729A · kind A · utility
Inventor
Key dates
| Filing date | Oct 24, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Oct 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F11/085
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In accordance with the present invention, there is provided an ear plug for preventing water and wind from entering the ear canal while allowing audible tones to pass therethrough. The ear plug is provided with an ear plug housing which is provided with an outer member and an inner portion. The outer member is adapted to reside in the outer ear of the user and an elongate tubular member having an exterior portion adapted to extend downwardly within the ear canal of the user. The ear plug is further provided with an ear plug insert. The ear plug insert is provided with a retaining member which is generally annular, a membrane which is made of a water impervious material and is adapted to allow audible tones to pass therethrough, and an insert housing which is generally annular. The insert housing is provided with a first end which is axially disposable in the interior portion of the elongate tubular member which is adapted to receive the first end of the insert housing. The insert housing is further provided with a second end which is adapted to circumferentially receive the retaining member with the membrane securely disposed between thereto, so as to axially enclose the second end…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.