Automated door locking system for aircraft lavatory
US4994722A · kind A · utility
33Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Oct 2, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S292/25
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for automatically locking a lavatory door on an aircraft from a remote location comprises means for activating the system, means for sensing the presence of a person in the lavatory, means for locking the lavatory when it is unoccupied and means for selectively overriding the system to allow entry by authorized personnel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.