Guyless service rig with side-mounted, pivotally deployable rear outriggers
US9284168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2010 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Aug 19, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/78
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A service or workover rig (50) that does not require guy lines is disclosed. Components of the rig (50) include a carrier (52) and a mast (120) that is movable between transport and deployed positions. Two rear outriggers (160) are pivotally mounted to a bumper (64) of the carrier (52). In their transport position, the rear outriggers (160) are positioned along respective sides (58) of the carrier (52), for instance in cutouts (60) in the bed or decking (56) of the carrier (52). In their deployed position, the rear outriggers (160) extend rearwardly of the carrier (52) and also away from their respective carrier side (58). Each rear outrigger (160) may be in the form of a hollow beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.