Fire escape – ladder – or scaffold – With storage device for supple escape – Reel
Patent
1997-10-07
1998-10-27
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
With storage device for supple escape
Reel
182233, 182 71, 182 72, A62B 102
Patent
active
058266798
ABSTRACT:
An emergency escape device for buildings in accordance with the present invention comprises a rotatably supported axle, a reel mounted on the shaft to rotate therewith, a string wound around the axle and having a first end securely attached to the axle and a second end, a weight means securely attached to the second end of the string, a cable wound around the reel and having a free end, the cable having a winding direction opposite to that of the string, a basket securely attached to the free end of the cable and having a weight smaller than that of the weight means, a hydraulic pump including a fluid path and an output shaft, a control valve mounted to the fluid path for controlling opening and closing of the fluid path to thereby control rotational movement of the output shaft, a transmission member for transmitting rotational movement of the output shaft to the axle, a rod mounted to the control valve for actuating the control valve, and a pull string having an end attached to the rod and a second end located adjacent to the basket for manually actuating the rod.
REFERENCES:
patent: 437091 (1890-09-01), Carr
patent: 650403 (1900-05-01), Larsson
patent: 696931 (1902-04-01), Boettcher
patent: 936385 (1909-10-01), Thornburg
patent: 4616735 (1986-10-01), Orgeron
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