Patent · US Expired

Unitized combination starter

US4088973A · kind A · utility

8Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1976
Grant dateMay 9, 1978
Priority date
Expiry dateApr 28, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H89/06
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A unitized combination motor starter is provided with a single insulated housing wherein a plurality of pole units are disposed in side-by-side relationship. The pole units are electrically connected in series with an electromagnetic contactor disposed within the insulated housing and located at one end of the pole units. A spring powered contact operating mechanism for the pole units is disposed on one side of the pole units. An overload sensing electromagnet coil, provided for each of the pole units, is positioned for removal and replacement after opening the front cover of the insulated housing.

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