Fire escape – ladder – or scaffold – Endless conveyer escape
Patent
1984-12-17
1986-07-08
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Endless conveyer escape
182 5, 182 72, A62B 108
Patent
active
045987920
ABSTRACT:
This invention relates to a self-contained and self-sufficient device for lowering and raising oneself vertically without relying on any mechanical power, or any man power external to the system wherein the direction and speed in the vertical movement of a person is fully controlled with ease by that person himself or herself. The sky-ride vertical mobiity system of the present invention comprises a frictionally controlled rope release device secured to an upper level and a closed loop of rope depending from the frictionally controlled rope release device that is wrapped around a friction drum included in the frictionally controlled rope release device. Exertion of a pull of very small magnitude on one member of the closed loop of rope depending from the frictionally controlled rope release device creates a frictional braking of very large magnitude that is capable of suspending a heavy object secured to the other member of the closed loop of rope motionlessly in midair or lower it at a safe speed. A person secured to one member of the closed loop of rope by means of a harness worn by that person and secured to one member of the closed loop of rope can control his or her own descending motion by exerting small amount of pull on the other member of the closed loop of rope and varying thereof. The sky-ride vertical mobility system including a one-way frictionally controlled rope release device with a friction drum equipped with a ratchet mechanism enables one to raise himself or herself by using a harness secured to one member of the closed loop of rope depending from the one-way frictionally controlled rope release device and a stirrup equipped with a one-way grip slidably engaged by the other member of the closed loop of rope depending from the one-way frictionally controlled rope release device.
REFERENCES:
patent: 290076 (1883-12-01), Lewis
patent: 1212301 (1917-01-01), Wick
patent: 3759346 (1973-09-01), Brda
Lew Hyok S.
Lew Hyon S.
Lew Yon K.
Chin-Shue Alvin
Machado Reinaldo P.
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