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:
May. 01, 2007
Filed:
Dec. 22, 2004
Applicants:
Alexander S. Fillppenko, Cary, NC (US);
Gary Pollard, Wendell, NC (US);
Inventors:
Alexander S. Fillppenko, Cary, NC (US);
Gary Pollard, Wendell, NC (US);
Assignee:
Square D Company, Palatine, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 1/20 (2006.01); H01H 9/20 (2006.01); H01H 9/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A switching mechanism provides sequential switching of first and second circuit breakers to enable switching between a primary power supply and a backup power supply. The switching mechanism comprises an actuating mechanism to sequentially actuate a pair of circuit breakers. The actuator mechanism including a shock absorber to absorb energy due to switching of one of the first and second circuit breakers.