Telescopic emergency egress device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Jul 13, 1998
filing date -
Jul 13, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telescopic emergency egress device includes an outer tube having a front end and a back end, an inner tube having a front end and being telescopically movable along the outer tube, a spring compressed to push the inner tube to move from a retracted position to an extended position, a retainer operable to maintain the inner tube in the retracted position, and a device for lowering a person at the front end of the inner tube from a higher level to a lower level at a speed of sufficient safety to the person.
First Claim
Family
International Classification(s)
Cited Art Landscape
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