Ladder safety device, systems and methods of arresting falls from ladders
AssigneesWildcat Capital LLC, Daco
InventorsDavid A. Cohen, John P. McCarthy, IV
Life of this patent
Estimating the term…
Abstract
A ladder system is provided. The system includes an extendable ladder and a ladder safety device. The extendable ladder includes at least a first section and a second section. The ladder safety device includes a first guide rail secured to the first section, a second guide rail secured to the second section, an a guide rail intersection portion that merges the first guide rail into the second guide rail at a point of intersection. The guide rail intersection portion allows the first guide rail to slide with respect to the second guide rail such that the point of intersection changes as the second section extends or retracts with respect to the first section.
Claims20
A ladder system comprising:
- an extendable ladder including at least a first section and a second section;
- and
- a ladder safety device comprising:
- a first guide rail secured to the first section;
- a second guide rail secured to the second section;
- a guide rail intersection portion that merges the first guide rail into the second guide rail at a point of intersection, the guide rail intersection portion allowing the first guide rail to slide with respect to the second guide rail such that the point of intersection changes as the second section extends or retracts with respect to the first section.
Dependencies are inferred from the claim text.