Personal lowering device

Details Personal lowering device Personal lowering device

1984-01-27

1986-02-04

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Strand-engaging, with descent retarder

182192, 182240, A62B 108

Patent

active

045679622

ABSTRACT:
A personal lowering device having two lines, a housing through which the lines so move that the housing descends along the lines when the lines are suspended from an elevated position, a sheave assembly and two brakes disposed within the housing, and two pairs of cinching sheaves biased toward a position for reducing the flow of the lines into the housing. The brakes are so associated with the sheave assembly and the housing that a slight biasing force on the two pairs of cinching sheaves reduces the flow of line into the housing, forcing the sheave assembly into pivoting motion, thereby forcing the brakes against the housing and thus halting the descent of the housing along the lines. A control member is provided for moving the cinching sheave pairs away from the reducing position.

REFERENCES:
patent: 311039 (1885-01-01), Scheidt
patent: 370612 (1887-09-01), Fellows
patent: 461528 (1891-10-01), Fowler
patent: 4054183 (1977-10-01), Boniface

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