Method for determining the position of a cutting device in the ground using a mobile carriage
US9617712B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Jan 31, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/024
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An excavator machine that includes components such as: a suspended casing having a top end and a bottom end; at least one cable that extends above the casing, where the cable is under tension and has a bottom end that is fastened to the top end of the casing; and a cutter device that is arranged at the bottom end of the casing. The excavator machine further includes: a carriage that is mounted to slide along the cable; a device for moving the carriage along the cable; and a locator device for determining the three-dimensional position of the carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.