Patent · US Expired

Circuit device racking mechanism

US5097382A · kind A · utility

18Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1991
Grant dateMar 17, 1992
Priority date
Expiry dateFeb 25, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02B11/127
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A racking mechanism for a fused circuit breaker includes a drive assembly that is removable as a unit from the breaker and fuse truck. A modular assembly includes a drive unit having a drive shaft and a travelling nut and yoke for rotating a pair of levering arms for moving the breaker among a plurality of positions in a cubicle. All interlocks are included on the modular drive assembly. An indicator is cam operated by the travelling nut and includes a face having indicia that identifies the direction of rotation of the drive shaft.

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