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:
Mar. 07, 2017
Filed:
Apr. 02, 2015
Fuji Electric Fa Components & Systems Co., Ltd., Chuo-ku, Tokyo, JP;
Yasuhiro Naka, Kounosu, JP;
Kouetsu Takaya, Kounosu, JP;
Kenji Suzuki, Kounosu, JP;
Yuji Shiba, Kounosu, JP;
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., Tokyo, JP;
Abstract
An electromagnetic contactor includes a fixed contact portion, a movable contact portion disposed facing the fixed contact portion to contact to and separate from the fixed contact portion, and an arc extinguishing receptacle forming an arc extinguishing chamber housing the fixed contact portion and movable contact portion. Among contact surfaces of the movable contact portion and fixed contact portion facing each other, at least an opposing distance between a contact end portion of the fixed contact portion and a contact end portion of the movable contact portion positioned in a moving direction of an arc generated when separating the movable contact portion from the fixed contact portion is set to increase with increasing proximity to end surfaces on contact end portion sides.