Aircraft seat leg support release device
US4819987A · kind A · utility
38Cited by
4References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Nov 18, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D11/0641
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An extendable footrest or legrest for a passenger seat or the like including a pressure relief system which permits retraction of the footrest upon the application of a predetermined load. The footrest is supported by a hydraulic actuator that is supported by springs that are compressed by the predetermined load to activate the actuator and allow retraction of the footrest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.