Rope ladder

Details Rope ladder Rope ladder

1981-12-24

1983-09-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Single stile, strand or pole

Flexible

182100, 182196, E06C 156

Patent

active

044050348

ABSTRACT:
A rope ladder having loops connected to a main piece of rope. The rope and loops are both made of three strand twisted rope with the loops connected to the main piece by interweaving the ends of the loops with the main piece of rope. The loops are connected to opposite sides of the main piece of rope to form steps which alternate on either side of the rope.

REFERENCES:
patent: 132073 (1872-10-01), Herold
patent: 195024 (1877-09-01), Knox
patent: 256207 (1882-04-01), Gibbs
patent: 283439 (1883-08-01), Torst
patent: 541120 (1895-06-01), Root
patent: 584376 (1897-06-01), Landenberger
patent: 645677 (1900-03-01), Wingert
patent: 3216030 (1965-11-01), Garfield
patent: 3817351 (1974-06-01), Mikkelson
patent: 4120377 (1978-10-01), Charles

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