Lifesaving system for buildings

Static structures (e.g. – buildings) – Machine or implement

Reexamination Certificate

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Details

C182S048000

Reexamination Certificate

active

07111436

ABSTRACT:
The lifesaving system for buildings of the present invention includes a tubular device having opened crowns or circular radial curved crowns attached to an inside wall of the tubular device, the crowns having flexible vanes or fins through which inverted bell-shaped elements pass, the elements larger in size than the inner size of the crowns, and are braked or slowed as they move downwards, a foam rubber element added at an end of the tubular device, and an annular element having an outside perimeter forming a tapered cone and curved, and which adapts to a top of a user's chest and is positionable under user's armpits.

REFERENCES:
patent: 4240520 (1980-12-01), LaGrone et al.
patent: 5620058 (1997-04-01), Forrester

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