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:
Jan. 16, 1979
Filed:
Aug. 23, 1977
Applicant:
Inventors:
Alfred E Maier, Chippewa, PA (US);
Louis N Ricci, Chippewa Township, Beaver County, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200308 ; 200 / ; 200314 ; 2001 / ;
Abstract
A circuit breaker having a stationary contact and a movable contact operable between open and closed positions with respect to the stationary contact. The circuit breaker includes means for moving the movable contact between the open and closed positions. These movement effecting means include an opening spring capable of being in two positions; a first position whenever the movable contact is in the open position, and a second position whenever the movable contact is in the closed position. An indicator rod is coupled to the opening spring and indicates the position of the opening spring.