The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 1990
Filed:
Jan. 13, 1989
Alexander Stefan, Las Vegas, NV (US);
Other;
Abstract
System for rescuing occupants of a tall building having at least one generally planar windowed face is disclosed, which system includes a first and a second boom mounted respectively at opposite sides of the building face at a building level above that face. Each boom has a retracted position and is shiftable to a cantilevered position in which its outer end overhangs the side of the building. A first and a second hoist cable extends respectively from the outer ends of the booms. A rescue cage has a top, a bottom and a flexible, collapsible, heat-shielding wall extending between the peripheries of the top and bottom to provide a shielded compartment. A pair of hoists are mounted to the cage top and engage individually the first and second hoist cables in order to drivingly support the cage adjacent the building face. The hoists are controllable so as to be driven differentially to move the cage transversely of the building face, and driven in the same direction for vertical motion. The cage is vertically collapsible to a compact configuration in which the top and bottom are in close proximity with the flexible wall portion folded therebetween.