Emergency descent device

Details Emergency descent device Emergency descent device

1975-10-16

1977-04-19

Reeves, Robert B.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

188291, A62B 112, B66D 504

Patent

active

040184234

ABSTRACT:
A descent device is provided for emergency descent from tall structures and for lowering objects from high elevations such as a hovering helicopter. The device includes a rotating spool having a cable wound thereon for descent and a rotation-retarding vane member which rotates in a fluid cylinder. An adjustable bypass is provided for the fluid as the vane member rotates therein so that the speed of descent can be adjustably controlled.

REFERENCES:
patent: 628736 (1899-07-01), Young
patent: 1888912 (1932-11-01), Doose
patent: 3595528 (1971-07-01), Virkki
patent: 3946989 (1974-12-01), Tsuda

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