Fire escape – ladder – or scaffold – Door and ladder
Reexamination Certificate
2005-05-03
2005-05-03
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Door and ladder
C182S078000
Reexamination Certificate
active
06886661
ABSTRACT:
A ladder apparatus for providing access to an area over an elevated structure, the ladder apparatus including a housing secured to the elevated structure wherein the housing includes a housing mechanism having a central opening, a ladder pivotally mounted to the housing mechanism wherein the ladder includes a first ladder section and at least one additional ladder section slidingly mounted to the first ladder section, first motorized deploying mechanism structured to pivotally displace the ladder to and from a stored configuration and a partially deployed configuration, second motorized deploying mechanism structured to linearly displace the at least one additional ladder section to and from a partially deployed configuration and a fully deployed configuration; and control mechanism structured to operatively control the first and second motorized deploying mechanism.
REFERENCES:
patent: 1423104 (1922-07-01), Glasser
patent: 1802401 (1931-04-01), Bessler
patent: 1811708 (1931-06-01), Bessler
patent: 1811820 (1931-06-01), Bessler
patent: 1867904 (1932-07-01), Bessler
patent: 1930992 (1933-10-01), Bessler
patent: 2840289 (1958-06-01), Murray
patent: 2931456 (1960-04-01), Harmon
patent: 3789955 (1974-02-01), Knapp
patent: 4286508 (1981-09-01), Seebo, II
patent: 5033584 (1991-07-01), Battle
patent: 5111906 (1992-05-01), Abadia
patent: 6802392 (2004-10-01), Davis
patent: 20010030081 (2001-10-01), Morimoto et al.
Schoonover Donald R.
Thompson II Hugh B.
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