Patent · US Expired

Electric control device adaptable to a two state switching device

US4689714A · kind A · utility

2Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 1986
Grant dateAug 25, 1987
Priority date
Expiry dateApr 22, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H51/12
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electric control device adaptable to a two state switching device is provided comprising two electromagnets disposed head to tail and each having a coil inside which a coil is slidably mounted, and two rocking levers which each comprise a first arm having a toothed sector and a second arm coupled to a respective core. The two toothed sectors mesh with a toothed pinion mounted for rotation in the case. This toothed pinion may be coupled to the operating shaft of a switching device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.