Interlock device for preventing close during insertion or withdraw on circuit breaker in switch board
US10153625B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2017 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Jun 27, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/66
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates an interlock device for preventing insertion or withdrawal of a circuit breaker into or from a switch board having an ON button and an OFF button and including a switch board body provided with a housing and a rail having an interruption hole formed on one side surface thereof, a carriage movable back and forth along the rail of the switch board body, and the circuit breaker including a main body installed on the carriage and inserted into or withdrawn from the switch board body, the interlock device comprising an interlock rod protruding toward one side to set or release a pressed state, wherein the interlock rod is set in or released from the pressed state and inserted into or disengaged from the interruption hole when the main body is put in or tripped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.