Fire escape – ladder – or scaffold – Torso harness – Attached to strand wound on reel – and means for retarding...
Patent
1986-03-31
1987-08-18
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Torso harness
Attached to strand wound on reel, and means for retarding...
182239, A62B 110
Patent
active
046870776
ABSTRACT:
This specification describes a portable manually operated rescue and lowering device. It consists of a coaster-brake bicycle hub with its flanges extended enough to form a drum to accommodate about 40 meters of fine aircraft cable. To permit hand operation a novel brake securing and releasing lever replaces the standard bicycle sprocket. This modified assembly is mounted into a rigid frame so that the free end of the cable proceeds up away from the hub to be secured to a building part or object within the building. A fastener for hooking onto a sling is hung from the frame by means of a cable--the length of which is correct for holding a user within easy reach of the brake securing and releasing lever. With this lever, the operator can cause the cable to unwind quickly or slowly or to brake to a complete halt. To prevent the cable from accidentally unwinding constant counterclockwise tension is provided to the lever by two springs. The object of this invention is to provide a simpler, easier to operate device by means of which persons or objects can be manually lowered to safety in an emergency such as from a burning building. Another object is to make this device easily affordable, lighter and so compact that it might soon come into general use.
REFERENCES:
patent: 286523 (1883-10-01), Bemis
patent: 529462 (1894-11-01), Rauk
patent: 580961 (1897-04-01), Steimann
patent: 744094 (1903-11-01), Netcott
patent: 2561832 (1951-07-01), Wilson
patent: 3217840 (1965-11-01), Holkesvick
patent: 4205733 (1980-06-01), Wade
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