The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Nov. 27, 2012
Arend Lammers, TV Hengelo, NL;
Arend Lammers, TV Hengelo, NL;
EATON INDUSTRIES (NETHERLANDS) B.V., Hengelo, NL;
Abstract
An electromagnetic actuator for operating at least one movable contact of a switch into a switched-on position or a switched-off position, the actuator having: a static pole body; a movable pole body movable relative to the static pole body; a first magnetic circuit with a first coil for making the movable pole body and the fixed pole body move towards each other to a switched-on position and a second coil for making the movable pole body and the fixed pole body move away from each other to a switched-off position; and a second magnetic circuit with a permanent magnet and a retaining plate to keep the static pole body and the movable pole body in the switched-on position; first spring unit for urging the static pole body and the movable body away from each other; wherein the first and second magnetic circuit are arranged concentrically.