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:
Jul. 25, 2017
Filed:
Jan. 21, 2016
Abb S.p.a., Milan, IT;
Nicola Bresciani, Bergamo, IT;
Pierantonio Arrighetti, Bossico, IT;
ABB S.p.A., Milan, IT;
Abstract
A low voltage switch pole which comprises an insulating casing having lateral walls and a front and a rear wall and defining an internal space with a contact area and an arc extinguishing area, a fixed contact assembly and a movable contact assembly being positioned in said contact area, said movable contact assembly being movable between a closed position in which it is into contact with said fixed contact assembly and an open position in which it is spaced apart from said fixed contact assembly, an arc chamber comprising a plurality of substantially parallel metallic plates inserted into an enclosure made of insulating material being positioned in said arc extinguishing area; the switch pole further comprises an insulating wall which is positioned in said internal space between said contact area and said arc extinguishing area and partially separates said contact area from said arc extinguishing area, a channel connecting said contact area to said arc extinguishing area being provided in said insulating wall.