Ladder having movable ladder support

Details Ladder having movable ladder support Ladder having movable ladder support

1996-08-26

1999-03-16

Ramirez, Ramon O.

Fire escape, ladder, or scaffold

Safety device for ground-supported ladder

182214, E04G 502

Patent

active

058818383

ABSTRACT:
The invention provides a movable ladder support device, and a ladder which includes that support device. The support device includes a rotatable member such as a wheel housed within the U-shaped section of the support device. The support device is attached to the rail of a ladder. The support device enables the ladder to be vertically repositioned against the surface of an inclined wall without the need to first remove the ladder from the surface.

REFERENCES:
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patent: 856875 (1907-06-01), Hughes et al.
patent: 1285918 (1918-11-01), Brown
patent: 1606198 (1926-11-01), Werk
patent: 2815160 (1957-12-01), Gilmour et al.
patent: 3446309 (1969-05-01), Davis et al.
patent: 4311207 (1982-01-01), Lurry
patent: 4394887 (1983-07-01), Spinks
patent: 4580660 (1986-04-01), Oling
patent: 5123503 (1992-06-01), Clarke

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