Fast donning respiratory protection equipment
US5488948A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1994 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Sep 16, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/084
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The fast donning breathing apparatus for use by a crew member comprises a mask provided with a regulator for connection to a source of pressurized breathable gas and a harness having. The harness has a stretchable strap having ends connected to the mask and including an element which is optionably inflatable by the pressurized breathable gas to extend the strap up to a size which is sufficient to permit fitting of the harness on the head and deflatable to enable the strap to tighten, to bias the mask onto the face and to hold the mask in position. The harness also has a flexible hardly extensible additional strap. A fastener enables to adjust the length of the additional strap and permits direct manual tightening by a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.