Fall arrest safety device

Details Fall arrest safety device Fall arrest safety device

2005-01-04

2005-01-04

Thompson, II, Hugh B. (Department: 3634)

Fire escape, ladder, or scaffold

Torso harness

Ladder-associated

C182S005000, C182S192000, C188S065200

Reexamination Certificate

active

06837337

ABSTRACT:
A fall arrest safety device for workers on transmission towers and the like includes a “matched” safety rail and brake trolley. The rail has a profile which includes a non-symmetrical profile portion and the trolley has a passageway of complimentary profile so that the trolley cannot be installed on the rail up-side down. A full body harness worn by a user of the device is clipped to the trolley and the trolley incorporates a brake which is spring-biassed into frictional engagement with the rail. The brake can be disengaged from the rail only by the user deliberately overriding the biassing effect.

REFERENCES:
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patent: 4085818 (1978-04-01), Swager
patent: 4193475 (1980-03-01), Sweet et al.
patent: 4269284 (1981-05-01), Swager
patent: 4499966 (1985-02-01), Milne et al.
patent: 5156240 (1992-10-01), Ostrobrod
patent: 5238084 (1993-08-01), Swager
patent: 5265696 (1993-11-01), Casebolt
patent: 5271481 (1993-12-01), Rich
patent: 6161647 (2000-12-01), Braden et al.

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