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:
Dec. 01, 2015
Filed:
Apr. 03, 2012
Yasuhiro Naka, Kounosu, JP;
Kouetsu Takaya, Kounosu, JP;
Kenji Suzuki, Kounosu, JP;
Hiroyuki Tachikawa, Yokohama, JP;
Yasuhiro Naka, Kounosu, JP;
Kouetsu Takaya, Kounosu, JP;
Kenji Suzuki, Kounosu, JP;
Hiroyuki Tachikawa, Yokohama, JP;
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., Tokyo, JP;
FUJI ELECTRIC CO., LTD., Kawasaki-Shi, JP;
Abstract
An electromagnetic contactor has a pair of fixed contacts disposed maintaining a predetermined interval and a movable contact disposed to be capable of connecting to and separating from the pair of fixed contacts; and an electromagnet unit that drives the movable contact. The electromagnet unit includes a magnetic yoke enclosing a plunger drive portion; a movable plunger in which a leading end is protruding through an aperture formed in the magnetic yoke, and urged by a return spring; and an annular permanent magnet enclosing a peripheral flange portion formed on a protruding end side of the movable plunger, and magnetized in a moving direction of the movable plunger.