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:
Aug. 06, 2013
Filed:
Jun. 02, 2011
Jacques Dumoux, Genas, FR;
Jacques Dumoux, Genas, FR;
ABB France, , FR;
Abstract
The present invention relates to an electromagnetic contactor including a stationary armature which includes a housing enclosure for a coil for generating a magnetic field, the enclosure having an opening, a closing cover for the opening of the enclosure, the closing cover having an aperture, and a movable armature passing through the aperture of the closing cover for the opening of the enclosure, further including a guide ring made from non-magnetic material which is arranged in the aperture of the closing cover so as to have, between a first wall in contact with the wall of the aperture of the cover and a second wall facing towards the movable armature, a thickness corresponding to the minimal radial gap between the movable armature and the stationary armature.