Ball joint for providing flexibility to a gas delivery pathway
US7827987B2 · kind B2 · utility
36Cited by
138References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2005 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Dec 27, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32729
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for adjusting a gas delivery mask is provided. The system may include a first housing portion, a first rim flexibly coupled to the first housing portion by a flexible member, a second housing portion coupled to the first housing portion, a second rim associated with the second housing portion, and a ball rotatably disposed between the first and second rims and having a gas passageway extending therethrough. The ball may be maintained in contact with both the first and second rims by a resiliency of the flexible member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.