Method and apparatus for assisting multiple climbers
US7198134B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2004 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Jan 19, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method is provided for assisting multiple climbers in ascending and descending the same ladder using an apparatus that includes a plurality of counterweights and a rigging system coupled to the counterweights, the rigging system includes at least two subsystems, each subsystem includes at least one cable, at least one pulley, and at least one harness. The method includes configuring a first subsystem to assist a first climber in ascending and descending the ladder, configuring a second subsystem to assist a second climber in ascending and descending the ladder, coupling a first harness to the first climber, coupling a second harness to the second climber, using the first subsystem to assist the first climber in ascending and descending the ladder, and using the second subsystem to assist the second climber in ascending and descending the ladder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.