Apparatus for skidding a load on a support
US4615508A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1984 |
| Grant date | Oct 7, 1986 |
| Priority date | — |
| Expiry date | Nov 5, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F1/025
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus for skidding a drilling rig of the type having a roller mechanism which includes at least one roller for non-rotatingly supporting at least some of the rig on a platform and at least one roller for rotatingly supporting at least some of the rig while it is skidded. The drilling rig platform is supported by beams having a vertical web mounted below each non-rotating roller. The web is in vertical alignment with the vertical axis of its associated non-rotating roller. A beam having a vertical web is mounted beneath the rig above each rotating roller. The rig beam web is in vertical alignment with the vertical axis of its associated rotating roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.