Descent assist device for powered ascenders
US9427606B2 · kind B2 · utility
7Cited by
18References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2014 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Aug 4, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D1/7447
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A descent assist device for powered ascenders is discussed herein. In one embodiment, the descent assist device can include a base plate having a first guide surface, a capstan peg, a second guide surface, and a retention loop extending from the first guide surface to the second guide surface configured to retain a rope on the descent assist device. Where the angle of wrapping of the rope around the first guide surface and the capstan peg is constant during use and the angle of wrapping of the rope around the second guide surface is adjustable by the user of the device to increase or decrease the frictional drag of the rope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.