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:
Oct. 30, 2001
Filed:
Dec. 17, 1999
Applicant:
Inventors:
Ronald Ciarcia, Bristol, CT (US);
Lei Zhang Schlitz, Burlington, CT (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 3/00 ; H01H 9/20 ;
U.S. Cl.
CPC ...
H01H 3/00 ; H01H 9/20 ;
Abstract
A rotary contact arrangement for circuit breakers of the type including a pair of movable contacts (,), one arranged on each end of the rotary contact arm (,), utilizes a single pair of contact springs (,), one spring on each side of the rotary contact arm (,). The springs (,) are aligned to intersect the axis of rotation of the rotary contact arm (,) for automatic uniform contact force adjustment throughout the operating life of the circuit breaker.