Emergency descent device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 25, 1987
Grant Date -
N/A
app pub date -
Dec 30, 1986
filing date -
Dec 30, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An emergency descent device includes a fluid-filled chamber with telescopic vanes of variable vane surface for self-adjusting the retarding force of the fluid, and an annular friction member in the chamber for simultaneous rotation with the vane members when the centrifugal force of the vane members is increased and the vane members extend radially outward to reach and engage with the annular friction member.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully