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:
Apr. 09, 2013
Filed:
Dec. 10, 2007
Applicants:
Olaf Hunger, Schaffhausen, CH;
Jürg Nufer, Niederhasli, CH;
Inventors:
Olaf Hunger, Schaffhausen, CH;
Jürg Nufer, Niederhasli, CH;
Assignee:
ABB Technology AG, Zurich, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 33/90 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrical circuit breaker has a first contact piece which can be moved in a first movement range along a switching axis and has an arcing contact, a second contact piece which can move along the switching axis and which has a further arcing contact, a drive for moving the first contact piece and a gear for transferring the movement of the first contact piece to the second contact piece. The gear has a first dead point which is passed through on the output drive side by the gear during the movement of the first contact piece in the first movement range.