Underground utility locator with a transmitter, a pair of upwardly opening pockets and helical coil type electrical cords
US7830149B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2009 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Oct 15, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/885
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A transmitter for use with an underground utilities locator including a portable elongate housing; an electronic circuit mounted in the housing and configured to generate an electrical output signal at a frequency suitable for tracing an underground utility; a pair of springy helical coil type electrical cords each having an inner end connected to the circuit; means electrically connected to an outer end of each of the electrical cords for coupling the predetermined electrical output signal across the underground utility; and the housing having a pair of upwardly opening pockets formed on opposite ends of the elongate housing and each sized to permit the electrical cords to be wrapped into loops and stowed into corresponding ones of the pockets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.