Steerable system
US8464811B2 · kind B2 · utility
5Cited by
30References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Dec 19, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/067
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A steerable system comprises a first rotatable housing and a second rotatable housing connected to the first rotatable housing by an adjustable joint. A cam member is held against rotation while in use. Cam follower means are cooperable with the cam member and moveable to drive the second rotatable housing for movement relative to the first rotatable housing about the adjustable joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.