Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Suspended
Reexamination Certificate
2005-10-18
2005-10-18
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Platform with elevating or lowering means
Suspended
C182S238000, C182S007000
Reexamination Certificate
active
06955244
ABSTRACT:
The escape device is lowered via a cable which can be anchored above and outside a window of a burning building. The descent of the device is regulated by a speed regulating brake or by a valve mounted in a hydraulic line for manual operation by the user. A guide device for the cable is connected to a rigid seat on which the occupant would be seated while descending along a burning building. A pair of wheels are also provided at a lower end of the seat to space the seat from the building and to provide stability while descending along the height of the building. In another embodiment, a sling is suspended from the guide device in order to receive the occupants with the seat regulating brake and emergency brake located in an overhead manner. In another embodiment, a hydraulic energy absorber controls the unwinding of the cable from a reel mounted under the seat of the device.
REFERENCES:
patent: 852623 (1907-05-01), Roth
patent: 2703219 (1955-03-01), Henshaw
patent: 4602698 (1986-07-01), Grant
patent: 5826679 (1998-10-01), Chern
patent: 252196 (1988-01-01), None
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