Patent · US Expired

Security relay

US6906604B1 · kind B1 · utility

7Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 1999
Grant dateJun 14, 2005
Priority date
Expiry dateOct 1, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H50/642
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A relay having a base on which is arranged an electromagnetic system that actuates at least one pair of closing contact springs and at least one pair of opening contact springs where actuation is effected by a slide having actuation lugs located at different heights relative to the fixing of the active spring contacts for actuating the active opening spring contacts at a height different from that of the active closing spring contacts so that the characteristic curve of the magnetic system can be better adjusted to that of the spring contacts.

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