Personnel lowering device

Details Personnel lowering device Personnel lowering device

1988-12-30

1990-07-03

Barefoot, Galen

Aeronautics and astronautics

Safety lowering devices

Parachutes

188184, 188654, 182231, 182 5, 244138R, B64D 1778

Patent

active

049384350

ABSTRACT:
A personnel lowering or descent control device. The device includes a housing adapted to be secured to a person intending to descend from a higher to a lower elevation, and containing a line adapted to be secured at one end to a fixed point at said higher elevation. The line is wound on a reel rotatably mounted in said housing. A brake assembly, including a centrifugal brake controls the rate of rotation of said reel and thereby the rate of descent. A mechanical brake on said housing provides a manual control of the rate of rotation of the line supply reel. The descent line is trained on a plurality of capstans mounted within the housing for absorbing energy and providing a capstan ratio effective to reduce applied line tension to slow the descent of an object supported by the said descent device.

REFERENCES:
patent: 656507 (1900-08-01), Brown
patent: 4063615 (1977-12-01), Knepp
patent: 4493396 (1985-01-01), Borgie
patent: 4640388 (1987-02-01), Walborn
patent: 4645034 (1987-02-01), Griffith

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