Roof anchor ladder attachment assembly

Details Roof anchor ladder attachment assembly Roof anchor ladder attachment assembly

2005-07-05

2005-07-05

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

Fire escape, ladder, or scaffold

Ladder

With spacer means

C182S104000, C182S045000

Reexamination Certificate

active

06913114

ABSTRACT:
A roof ridge anchor assembly for attaching to and securing a ladder to the roof ridge of a building. One embodiment consists of a pair of devices attached to the rungs of a ladder to allow a ladder to be rolled up onto a roof, turned over and secured in position over the roof bridge.

REFERENCES:
patent: 1825590 (1931-09-01), Hollister
patent: 1948577 (1934-02-01), Harsen
patent: 2788930 (1957-04-01), Pals
patent: 3396815 (1968-08-01), Gleockler
patent: 4394887 (1983-07-01), Spinks
patent: 4397375 (1983-08-01), Hart
patent: 4938312 (1990-07-01), Trail
patent: 4972922 (1990-11-01), Levine
patent: 5941343 (1999-08-01), Kelsey
patent: 6276490 (2001-08-01), Swanick, Jr.
patent: 6681893 (2004-01-01), Coulson

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