Fire escape – ladder – or scaffold – Chute or escape tower for personnel
Reexamination Certificate
2005-02-08
2005-02-08
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Chute or escape tower for personnel
Reexamination Certificate
active
06851517
ABSTRACT:
An emergency tower system for a building having multiple floors. A plurality of bridgewalks extends from a plurality of towers to the multiple floors off the building, respectively. A plurality of towers includes an outer shell walls rising parallel to, and spaced from, the building and having a plurality of entrances that align and communicate with the multiple floors of the building, respectively, by a plurality of bridgewalks, respectively, a plurality of spiral chutes which are built entirely within the interior shell wall structures of a plurality of towers and communicating with the plurality of entrances, respectively, so as to allow access thereto from the plurality of bridgewalks, respectively, and which are either concentrically or tandemly disposed to each other, a plurality of tracks built into the plurality of spiral chutes, respectively, and a plurality of cars running on a plurality of spiral tracks and carrying evacuees from a plurality of bridgewalks down the plurality of spiral tracks to safety.
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