Lifeline retrieval device

Details Lifeline retrieval device Lifeline retrieval device

1994-02-02

1996-03-12

Focarino, Margaret A.

Land vehicles

Wheeled

Stable vehicles, handle-propelled

280638, 182142, A62B 110, E04G 310

Patent

active

054980119

ABSTRACT:
A self contained portable device for use on the roof of a building for retrieving a lifeline from along the side of the building. A motor and drum drive assembly is mounted on a movable cart. An adjustable davit arm is pivotally mounted on the cart and is adapted to extend over the edge of the roof. The lifeline extends around a sheave mounted on the outer end of the davit arm and through a rope grab clamp and then about the take-up drum of the drive assembly. The davit arm is formed by telescopically joined tubular arm sections. The motor is controlled by a foot operated switch for rotating the drum to retrieve the lifeline. A safety line is adapted to secure the cart to rigid structure on the roof in addition to a wheel brake.

REFERENCES:
patent: 3159110 (1964-12-01), Wylie
patent: 4004778 (1977-01-01), Steinhagen
patent: 4130179 (1978-12-01), Williams
patent: 4183423 (1980-01-01), Lewis
patent: 4589523 (1986-05-01), Olson et al.
patent: 5065838 (1991-11-01), Finley
patent: 5135078 (1992-08-01), Bell et al.
patent: 5294136 (1994-03-01), Dick et al.
patent: 5341898 (1994-08-01), Baziuk

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