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. 20, 1999
Filed:
Dec. 18, 1997
Applicant:
Inventors:
Renato Dosmo, Brembate Di Sopra, IT;
Maurizio Curnis, Calusco D'Adda, IT;
Assignee:
ABB Sace S.p.A., Bergamo, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
200400 ; 218154 ; 335191 ;
Abstract
Current switch with moving contacts cooperating with fixed contacts comprising, for each electric phase, a crank, pivoting about a pin, and a link rod, operationally connected to the crank and to the mechanism for opening and closing the switch, there being provision for the contact-carrying levers to be fulcrumed in the lower part to a pin integral with the crank, for, above the pin, the levers to have, on the opposite side to the contacts, seats against which spring means bear, for the opposite ends of the spring means to bear against seats formed at the top on the side of the support of the crank, opposite the fixed contacts.