Emergency descent device

Details Emergency descent device Emergency descent device

1986-12-30

1987-08-25

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

With storage device for supple escape

Reel

182233, 188268, A62B 112, A62B 116

Patent

active

046886591

ABSTRACT:
An emergency descent device includes a fluid-filled chamber with telescopic vanes of variable vane surface for self-adjusting the retarding force of the fluid, and an annular friction member in the chamber for simultaneous rotation with the vane members when the centrifugal force of the vane members is increased and the vane members extend radially outward to reach and engage with the annular friction member.

REFERENCES:
patent: 3847377 (1974-11-01), Byrd
patent: 3946989 (1976-03-01), Tsuda
patent: 4018423 (1977-04-01), Belew
patent: 4454997 (1985-11-01), Sheu

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