Extended range single-joint elevator
US9140078B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2014 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Aug 5, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49904
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An elevator to manipulate a tubular segment includes an elevator body with a bore formed therethrough having an axis therein, the elevator body including a plurality of openings extending from an outer surface of the elevator body to the bore of the elevator body, and a base member coupled to a bottom surface of the elevator body, the base member having a guide portion that directs the tubular segment into the bore of the elevator body. The elevator also includes a plurality of slip assemblies disposed inside the plurality of openings and coupled to the elevator body, each of the plurality of slip assemblies including an actuator body coupled to the elevator body, a slip, the slip including an engagement surface disposed orthogonal to the axis of the bore of the elevator body that engages the tubular segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.