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. 27, 2017
Filed:
Mar. 18, 2015
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventor:
John West, Skien, NO;
Assignee:
ABB Schweiz AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 1/42 (2006.01); H01H 21/56 (2006.01); H01H 31/00 (2006.01);
U.S. Cl.
CPC ...
H01H 1/42 (2013.01); H01H 21/56 (2013.01); H01H 31/003 (2013.01); H01H 2001/425 (2013.01);
Abstract
A knife switch assembly including a pair of hinged contact knives, arranged in parallel, and moveable between at least two positions. An operator device for moving the pair of contact knives between the at least two positions, and a guide member located between the two contact knives, having two projecting side parts, each projecting side part extending along at least part of a respective side of each contact knife, which side faces a corresponding side of the other contact knife.