Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Patent
1978-03-24
1979-02-13
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
182 70, 182100, 182189, 182195, 182198, E06C 156, E06C 914
Patent
active
041390792
ABSTRACT:
A flexible stile ladder is disclosed wherein the midpoints of the ladder steps or rungs are slidably connected to the pole. Preferably, the slidable connectors are slides which operate in a track carried by the pole. The invention is particularly useful for climbing masts of sailboats.
REFERENCES:
patent: 271802 (1883-02-01), Craigie
patent: 321385 (1885-06-01), Pyne
patent: 701483 (1902-06-01), Hemming
patent: 1010526 (1911-12-01), Stanley
patent: 3999627 (1976-12-01), Naka
patent: 4014057 (1977-03-01), Kuojarvi
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