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. 31, 2012
Filed:
Apr. 18, 2006
Ole Granhaug, Skien, NO;
Jan-henrik Kuhlefelt, Skien, NO;
Pal Skryten, Skien, NO;
ABB Technology AG, Zurich, CH;
Abstract
A switch disconnector is disclosed. The switch disconnector has a main contact point and an arc interruption contact point, of which the main contact point opens before the arc interruption contact point during a disconnection operation and is closed after the arc interruption contact point during connection, with a stationary and a moving contact-piece arrangement, with the stationary contact-piece arrangement having a pot contact piece with contact fingers and with the moving main contact point having a contact cylinder which is connected to a contact mount, and with the arc interruption point having a contact pin as the stationary contact piece and an annular contact piece as the moving contact piece. The contact pin has a section composed of interruption-resistant material, whose external diameter is greater than the external diameter of the rest of the pin area. The contact pin has at least one slot which runs in the longitudinal direction and splits the pin into at least two pin fingers.