Pressure equalizing mechanism for a diving mask
US5572989A · kind A · utility
30Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1995 |
| Grant date | Nov 12, 1996 |
| Priority date | — |
| Expiry date | Oct 31, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C2011/125
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An improved diving mask is disclosed. The diving mask includes a frame and a lens mounted and sealed within the frame. A flexible skirt is also mounted to the frame and designed to form a seal with a diver's face around the eyes and nose of the diver. The skirt includes a flexible nosepiece that fits over the nose of the diver. A stiff bracket is mounted to the frame and extends partially over the nosepiece. Additionally, an actuator is adjustably mounted to the bracket and cooperates with the nosepiece to selectively squeeze the nosepiece and restrict airflow through the nose of the diver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.