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. 25, 2014
Filed:
May. 02, 2012
Applicants:
Daniel Staffas, Ludvika, SE;
Mats Holman, Ludvika, SE;
Inventors:
Daniel Staffas, Ludvika, SE;
Mats Holman, Ludvika, SE;
Assignee:
ABB Technology AG, , CH;
Primary Examiner:
Int. Cl.
CPC ...
H01H 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spring operated actuator for an electrical switching apparatus. It includes an opening spring, a closing spring and a damper for the closing. The damper is a rotary air damper with components that rotate relative to each other and has air as working medium for the dampening.