Patent · US Expired

Electromagnetic relay

US4951017A · kind A · utility

3Cited by

2References

6Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Emil Buchschmid · Roßtal, DE
Anton Frenznick · Nürnberg, DE
Klaus Lindner · Steinen, DE
Olaf Schmid · Schwabach, DE
Hans-Dieter Schmid · Nuremberg, DE
Gerhard Schmidt · Graz, AT
Theodor Sturm · Sachsen, DE

Key dates

Filing date	Jul 8, 1988
Grant date	Aug 21, 1990
Priority date	—
Expiry date	Jul 8, 2008

Classification

Technology area (CPC H)Electricity
CPC primaryH01H50/28
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electromagnetic relay comprising a magnet yoke having a coil core for supporting a relay winding and a support for supporting a folding armature at one end of the folding armature; and a leaf spring for biasing the folding armature away from the coil core in a non-operating position of the relay, the leaf spring including a curl surrounding the support and having two fastening portions at which the leaf spring is fastened to the magnet yoke and the folding armature, respectively, and a prestress area between the two fastening portions.

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