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:
Jan. 18, 2005
Filed:
Jul. 12, 1999
Applicant:
Yoshihide Kinbara, Tokyo, JP;
Inventor:
Yoshihide Kinbara, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 4700 ;
U.S. Cl.
CPC ...
Abstract
In an electromagnetic contactorfor passing a current through an electromagnetfrom a power sourceand moving a movable corefrom a first position in which a gap to a fixed coreis wide to a second position in which the gap is narrow by electromagnetic force and opening or closing a contact, there is provided an attraction force control partfor passing a strong acceleration current Ethrough the electromagnetfor a predetermined time so that acceleration in the second position of the movable corebecomes a predetermined value and passing a suction current Ethrough the electromagnetin substantially the second position.