Methods and apparatus for joint disassembly
US7997166B2 · kind B2 · utility
14Cited by
46References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2008 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Nov 11, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/161
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A joint tool includes a first wrench assembly configured to be placed in gripping contact with a rod, a second wrench assembly including jaws configured to grip and rotate a rod when the second wrench assembly is rotated in a first direction and to rotate relative to the rod when moved in a second direction, the second direction being opposite the first direction, and a drive assembly mounted to the first wrench assembly and coupled to the second wrench assembly, the drive assembly being configured to rotate the rod in the first direction and the second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.