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. 18, 2013
Filed:
Jun. 14, 2010
Yasuhiro Naka, Kounosu, JP;
Toshikatsu Ohgami, Kumagaya, JP;
Koji Okubo, Kumagaya, JP;
Kouetsu Takaya, Kounsou, JP;
Kenji Suzuki, Saitama, JP;
Yasuhiro Naka, Kounosu, JP;
Toshikatsu Ohgami, Kumagaya, JP;
Koji Okubo, Kumagaya, JP;
Kouetsu Takaya, Kounsou, JP;
Kenji Suzuki, Saitama, JP;
Fuji Electric FA Components & Systems Co., Ltd., Tokyo, JP;
Abstract
A polarized electromagnet has a spool around which an exciting coil is wound; a movable plunger penetrating the spool; an interior yoke fixed on an outer side of the spool; an exterior yoke disposed to maintain a predetermined interval on an outer side of the interior yoke; and a permanent magnet disposed between the interior yoke and exterior yoke. The exterior yoke has a pair of end plate portions opposing two ends of the spool, and a linking plate portion linking the pair of end plate portions. The interior yoke has a first opposing plate portion opposing the linking plate portion of the exterior yoke, and second opposing plate portions opposing one end plate portion of the exterior yoke, and the first opposing plate portion and the second opposing plate portion are linked without coming close to the exterior yoke.