Apparatus for tracking an overhead line and automatically moving around obstacles on the line
US5103739A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jun 29, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Jun 29, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G1/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for tracking an overhead line includes a carriage, an arm provided relatively movable on the carriage, a hook assembly provided at both end portions of the arm and for slinging the arm over the overhead line, a vertical/rotational motion shaft provided vertically movable and rotatably on the carriage, a wheel supporting arm provided on the top end portion of the vertical/rotational motion shaft swingably, a pair of wheels provided at both ends of the wheel supporting arm with an extension line of the vertical/rotational motion shaft being between the wheels, and a clamp member for clamping the wheels on the overhead line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.