Apparatus for grounding railway contact rails
US6572390B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 20, 2001 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Aug 20, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R4/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Hand-held tools for gripping a railway contact rail to facilitate grounding thereof are provided. A first member includes a first jaw at an end thereof, a handle at an opposite end thereof, and a first intermediate portion extending between the first jaw and the handle. A second member is pivotally attached to the first member and includes a second jaw at an end thereof, a set of ratchet teeth at an opposite end thereof, and a second intermediate portion extending between the second jaw and the set of ratchet teeth. The first and second jaws are configured to pivot relative to each other so as to grip respective opposite side portions of a railway contact rail when the handle is moved downwardly such that the second intermediate portion is in electrical contact with a top portion of a railway contact rail. A pawl extends from the first intermediate portion and is configured to engage the set of ratchet teeth to hold the first and second jaws in contact with the respective opposite sides of a railway contact rail. A biasing member is operatively associated with the pawl and is configured to urge the pawl into engagement with the set of ratchet teeth. A release lever is operatively a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.