Side angle drilling apparatus
US5201816A · kind A · utility
2Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 1992 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Oct 15, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B15/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus includes a vehicular mainframe having a vehicular longitudinal axis and a substructure mounted on the mainframe. The substructure has a substructure longitudinal axis and is tiltable relative to the vehicular mainframe about the substructure longitudinal axis. The apparatus includes a tower and a tower support rigidly secured to the substructure. The substructure longitudinal axis is approximately the same vertical height as an upper surface of the vehicular mainframe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.