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:
Jun. 11, 2024
Filed:
May. 06, 2019
Applicant:
Tdk Electronics Ag, Munich, DE;
Inventor:
Robert Hoffmann, Berlin, DE;
Assignee:
TDK Electronics AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 9/30 (2006.01); H01H 50/20 (2006.01); H01H 50/34 (2006.01); H01H 50/36 (2006.01);
U.S. Cl.
CPC ...
H01H 50/34 (2013.01); H01H 50/20 (2013.01); H01H 50/36 (2013.01);
Abstract
In an embodiment a switching device includes at least one stationary contact and a movable contact movable from a first switching state to a second switching state by a magnetic armature, wherein the magnetic armature has a spring configured to reset the movable contact from the second switching state to the first switching state, and wherein the spring has a first spring region with a first spring constant and a second spring region with a second spring constant which is greater than the first spring constant.