Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means
Patent
1978-11-09
1980-12-02
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
Supporting surface compensating means
E06C 744
Patent
active
042366038
ABSTRACT:
An adjustable device for leveling a ladder having one or more bores through at least one of the stiles thereof, comprising an elongated channel shaped ladder extending member independently cooperatively engagable with one of the stiles of a ladder and being slidable thereon, the channel shaped member having two opposite side walls and a connecting wall extending therebetween, a plurality of spaced longitudinally disposed apertures in each opposite side wall, the apertures in one side wall corresponding to and being in lateral alignment with the respective apertures in the other side wall to define aperture pairs, each aperture pair being able to be positioned in alignment with a selected one of the bores through the ladder stile when the channel shaped member is engaged therewith, a pin member adapted to pass through the selected ladder stile bore and the aperture pair in alignment therewith to hold the leveling device in the desired position with respect to the selected ladder stile, and means attached to the channel shaped member and extending beyond the ladder stile for engaging a surface on which the ladder is supported during use.
REFERENCES:
patent: 1246709 (1917-11-01), Brown
patent: 2245306 (1941-06-01), Smith
patent: 2581782 (1952-01-01), Anderson
patent: 3394774 (1968-07-01), Lanier
patent: 3752262 (1973-08-01), Helms
LandOfFree
Ladder leveling device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ladder leveling device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder leveling device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2279747