Patent · US Expired

Twin unit circuit breaker with improved magnet structure

US4929919A · kind A · utility

24Cited by
13References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 1988
Grant dateMay 29, 1990
Priority date
Expiry dateJun 27, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H71/2472
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A twin unit circuit breaker has a V-shaped stainless steel combination armature pivot and bias spring, a central offset portion on the armature to increase the armature surface area that is substantially uniformly spaced to pole faces of a pole piece, a thin profile connection of an operating spring with a latch lever, and a preformed U-shaped conductor attachable in circuit between a bimetal and a flexible conductor and insertable over a pole piece from one end thereof.

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