Trip latch assemblies for circuit breakers and related circuit breakers
US9472359B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2014 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Feb 17, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2235/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Circuit breakers that include and/or a trip latch assembly that is configured to maintain open and closed energy status of the breaker. The trip latch assembly can include: a first stop cam held on a cam shaft; a second stop cam held on the cam shaft axially spaced apart from the first stop cam; a drive cam held on the cam shaft; a trip-open latch held on a trip latch shaft, (typically above) in cooperating alignment with the first stop cam; a trip-close latch held on the trip latch shaft above and in cooperating alignment with the second stop cam; a follower residing below and in communication with the drive cam; and a linkage attached to the follower and to a main shaft to open and close the breaker responsive to the position of the drive cam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.