Ladder and method of using ladder for escape

Details Ladder and method of using ladder for escape Ladder and method of using ladder for escape

1987-10-16

1988-06-14

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

Collapsible ladder

182206, 182207, E06C 136, E06C 1383

Patent

active

047505877

ABSTRACT:
An escape ladder at rest is an elongated cylindrical body divided lengthwise with a plurality of rung devices hingeably attached between rear quadrants and between front quadrants lockable in a horizontal position and foldable into the tubular body when left and right quadrants and mated together. Right quadrants and left quadrants are interlocked together to allow the interlocked quadrants to slideably move only lengthwise in relation to each other.

REFERENCES:
patent: 647163 (1900-04-01), Smith
patent: 1371125 (1921-03-01), Speckman
patent: 1570564 (1926-01-01), Hamel
patent: 1579574 (1926-04-01), Taylor
patent: 2120060 (1938-06-01), Williams
patent: 2132848 (1938-10-01), Feldman
patent: 3085490 (1963-04-01), Field
patent: 3520245 (1970-07-01), Painter
patent: 3557497 (1971-01-01), Schafer
patent: 3839949 (1974-10-01), Gobel
patent: 4190987 (1980-03-01), Naidus
patent: 4197682 (1980-04-01), Schiff et al.
patent: 4412404 (1983-11-01), Manning
patent: 4560030 (1985-12-01), Mucelli
patent: 4618027 (1986-10-01), Piretti

Affiliated with

Also associated with

Rating

Ladder and method of using ladder for escape 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 and method of using ladder for escape, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder and method of using ladder for escape will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-500109