Exterior fire resistant, passenger elevator system

Details Exterior fire resistant, passenger elevator system Exterior fire resistant, passenger elevator system

2007-09-18

2007-09-18

Crawford, Gene O. (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Mounted on exterior of building

C182S037000, C182S082000, C212S079000

Reexamination Certificate

active

11414973

ABSTRACT:
The methodology and advantages that are provided in the present invention are intended to provide assistance to fire fighters and other emergency care-givers with life saving tools during fires and other smoke related emergencies that render fire and smoke victims helpless and trapped inside of high-rise buildings.The exterior fire resistance elevator system, having several specialized component devices that are adapted for lifting and rotating the elevator in a vertical and horizontal directions. The elevator is also capable of moving in tandem in a vertical and horizontally direction as directed by an elevator operator or by an operator having location in a central station that is at ground level or near the building.An electric motor device having pulley wheel devices at the left and right end of the motor are preferred rotaters that function to lift and rotate the elevator, which is provided with wheel components that connect to axle devices, having base connections to several elevator housing mechanisms. A trolley machine car is designed to provide several functions including transporting the main vertical elevator as it moves on horizontal rail tracks that are erected on buildings roof tops.

REFERENCES:
patent: 447898 (1891-03-01), Nygren
patent: 4469198 (1984-09-01), Crump
patent: 4811819 (1989-03-01), Sugiyama
patent: 4921070 (1990-05-01), Magill
patent: 4979589 (1990-12-01), Sugiyama et al.

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