Patent · US Expired

Thermostatic switch

US4260977A · kind A · utility

5Cited by

6References

18Claims

0Family size

Inventors

Robert Kicherer · Maulbronn, DE
Manfred Schwarze · Oberderdingen, DE

Key dates

Filing date	Apr 11, 1979
Grant date	Apr 7, 1981
Priority date	—
Expiry date	Apr 11, 1999

Classification

Technology area (CPC H)Electricity
CPC primaryH01H37/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A thermostat, comprising: a metal casing; a snap switch having a snap spring disposed in the casing; a thermal expansion system, having an expansion member which acts on the snap spring, and having a setting element; an insulator arranged between two side parts of the casing, interconnecting the latter and forming one end face of the thermostat, and having fixed electrical contacts projecting therethrough; and, a contact bridge arranged on the snap spring, but electrically insulated therefrom, the contact bridge being engageable with the fixed contacts.

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