Confined space entry apparatus
US5147013A · kind A · utility
8Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1990 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Oct 29, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/208
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus for moving personnel or materials through an opening in a sidewall of a vessel and down into the vessel wherein a lower support and an upper support are mounted on the portion of the sidewall defining the opening and have a tripod supported thereon and located within the vessel. A hoist and a fall arresting device are mounted on the upper support and the cables thereof are passed over pulleys mounted on the tripod so that personnel or materials may be attached to the snaphook on the end of the cable and moved through the opening and lowered into the vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.