Fall-arrest safety anchorages

Details Fall-arrest safety anchorages Fall-arrest safety anchorages

1993-11-17

1995-09-05

Nguyen, John Q.

Winding, tensioning, or guiding

Reeling device

With spring motor

2423966, 182237, 182239, A62B 110

Patent

active

054472806

ABSTRACT:
A fall-arrest safety anchorage has a safety line drum (10) and braking components assembled to a spine plate (1). The braking components comprise a rotatable brake component (2) and fixed brake components (1,7) one of which is constituted by the spine plate. The rotatable brake component (2) constitutes the driven member of a centrifugal clutch comprising coupling elements (17) which are mounted on the drum and become centrifuged into engagement with abutments (16) on the rotatable brake element if the unwinding speed of the drum exceeds a predetermined value. The rotation of the brake component (2) takes place against a frictional resistance imparted by friction rings (5,6) which are sandwiched under pressure between the rotatable brake component and the fixed brake components (1,7).

REFERENCES:
patent: 2546202 (1951-03-01), Trouin
patent: 4198033 (1980-04-01), Messuziere et al.
patent: 4511123 (1985-04-01), Ostrobrod
patent: 4846313 (1989-07-01), Sharp
patent: 5351906 (1994-10-01), Feathers

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