Patent ID: 9677333
Date: 2017-06-13
CPC Classifications: A62B,E06C

Claim:
1. An unfurlable rescue ladder for climbing by a climber, comprising: a hanger element having a connecting aperture therethrough that is either “closed” or “closeable”; a first connecting element having a connecting aperture therethrough that is either “closed” or “closeable”; a rope; a progress capture element having a connecting aperture therethrough, and a separate rope-passing aperture therethrough for passing the rope through the progress capture element, the connecting and rope-passing apertures being either “closed” or “closeable,” the progress capture element for capturing the climber's climbing progress and therefore allowing for climbing up the rescue ladder but not for climbing down the rescue ladder; and either a plurality of rung elements attached to each other in sequence so as to form a chain of rung elements with a first end of the chain depending from the hanger element, or a plurality of rung elements attached to and between spaced apart rail elements in sequence with respective first ends of the rail elements depending from the hanger element, wherein the hanger element is connected to the first connecting element such that a portion of the hanger element that surrounds the connecting aperture through the hanger element passes through the connecting aperture through the first connecting element, and a portion of the first connecting element that surrounds the connecting aperture through the first connecting element passes through the connecting aperture through the hanger element, and wherein the first connecting element is connected to the progress capture element such that a portion of the connecting element that surrounds the connecting aperture through the connecting element passes through the connecting aperture through the progress capture element, and a portion of the progress capture element that surrounds the connecting aperture through the progress capture element passes through the connecting aperture through the first connecting element.