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:
Aug. 04, 2009
Filed:
Mar. 02, 2006
Roger W. Helms, Beaver Falls, PA (US);
Yu-wei Chou, Coraopolis, PA (US);
Mark A. Janusek, Pittsburgh, PA (US);
William G. Eberts, Moon Township, PA (US);
Roger W. Helms, Beaver Falls, PA (US);
Yu-Wei Chou, Coraopolis, PA (US);
Mark A. Janusek, Pittsburgh, PA (US);
William G. Eberts, Moon Township, PA (US);
Eaton Corporation, Cleveland, OH (US);
Abstract
A circuit breaker includes separable contacts, an operating mechanism structured to open and close the separable contacts, and a magnetic trip mechanism cooperating with the operating mechanism to trip open the separable contacts. The magnetic trip mechanism includes a support structure including a slotted support portion therein, and a plunger assembly. The plunger assembly includes a movable core resting in the support portion of the support structure, and a plunger member including a first portion cooperating with the operating mechanism, a second portion coupled to the movable core, and a third portion engaging the support structure.