Patent · US Expired

Three position electrical switch

US4620071A · kind A · utility

3Cited by
2References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 7, 1984
Grant dateOct 28, 1986
Priority date
Expiry dateDec 7, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H23/168
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrical switch device which includes a pair of movable contact arms which are operatively associated with a three-position switch mechanism so as to permit, in a unitary structure, passage of current to a partial load or to a full load and also to prevent passage of current to any load.

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