Elevator assembly with reversible insert
US9422777B2 · kind B2 · utility
1Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2015 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Jun 12, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An elevator assembly such as, for example, a single joint elevator apparatus having a removable load supporting insert member for gripping the outer surface of a pipe section. The load supporting insert member has at least two different shoulder profiles; the load supporting insert member can be quickly and easily removed, inverted and re-installed to accommodate and facilitate gripping of pipe sections having different outer configurations (including, without limitation, outer configurations associated with threaded connection members).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.