Jeffrey B Lockhart

US Patent:

6714108, Mar 30, 2004

Filed:

Apr 2, 2003

Appl. No.:

10/405894

Inventors:

Kevin Anthony Simms - Houston PA
Jeffrey Wayne Lockhart - Pittsburgh PA
Michael Joseph Erb - Fombell PA

Assignee:

Eaton Corporation - Cleveland OH

International Classification:

H01H 7500

US Classification:

335 6, 335 13, 335186, 200240, 200DIG 42

Abstract:

A circuit breaker includes a housing having an elongated pivot opening, a movable arm, a fixed contact and a movable contact mounted on the arm. The contacts and the arm cooperate to provide closed, pivot and open states. The pivot opening mounts a pivot end of the arm for pivotal and longitudinal movement. A solenoid includes a plunger coupled to the arm. The plunger moves between deactuating and actuating positions to provide the open and closed states, respectively. The plunger has a pivot position between the deactuating and actuating positions. The pivot end moves to a first longitudinal position in the pivot and open states, and moves to a second longitudinal position in the closed state. When the contacts are welded closed, the solenoid provides insufficient force to move the plunger to the deactuating position until after the pivot end moves at least substantially toward the first longitudinal position.

US Patent:

6812815, Nov 2, 2004

Filed:

Apr 2, 2003

Appl. No.:

10/405734

Inventors:

Kevin A. Simms - Houston PA
Edward E. Lias - Aliquippa PA
Jeffrey W. Lockhart - Pittsburgh PA
Michael J. Erb - Fombell PA

Assignee:

Eaton Corporation - Cleveland OH

International Classification:

H01H 8300

US Classification:

335 6, 335 18, 335 20

Abstract:

A remotely controllable circuit breaker includes main contacts, secondary contacts and an arc plate drawing an arc from a fixed main contact when an operating mechanism opens the main contacts. A primary circuit electrically connects the main and secondary contacts between line and load terminals. A solenoid actuator selectively moves the secondary contacts between open and closed states. A magnetic bypass circuit is electrically connected between the arc plate and the load terminal. A movable magnetic armature cooperates with a fixed magnetic armature and is coupled to a movable arm controlled by the actuator. The circuits pass between the magnetic armatures, which respond to short circuit current flowing in the primary circuit and to arcing current flowing in the magnetic bypass circuit, in order to hold the secondary contacts in the closed state during both current conditions.

US Patent:

7358838, Apr 15, 2008

Filed:

Feb 24, 2006

Appl. No.:

11/361609

Inventors:

Jeffrey S. Gibson - Hookstown PA, US
Jeffrey W. Lockhart - Pittsburgh PA, US

Assignee:

Eaton Corporation - Cleveland OH

International Classification:

H01H 73/12
H01H 75/00
H01H 77/00
H01H 83/00

US Classification:

335 17

Abstract:

A trip indicator is for a circuit breaker having a housing including first and second openings, separable contacts and an operating mechanism having an operating handle protruding from the first opening. The trip indicator includes a one-piece flag member with a first end having a trip flag and a second end with first and second integral legs. The first leg biases the trip flag away from the second opening when the separable contacts are not tripped open, and includes a latching portion to maintain the flag in a viewable position to indicate the trip condition regardless of the operating mechanism position. The second leg is disposed proximate first leg and biases the operating handle toward the OFF position, thereby assisting the handle to move from the ON position in response to the trip condition.

US Patent:

20130153381, Jun 20, 2013

Filed:

Dec 16, 2011

Appl. No.:

13/328044

Inventors:

James Gerard Maloney - Industry PA, US
Jeffrey Wayne Lockhart - Pittsburgh PA, US

International Classification:

H01H 9/00

US Classification:

200304

Abstract:

An improved shield apparatus is structured to resist contamination due to an electrical arc event of an open region that is formed within an interior of a circuit interrupter. The open region is one within which a coil spring is movably disposed. The improved shield apparatus is formed of a flexible sheet of arc-resistant material and includes a support apparatus having an elongated leg, at least a portion of which extends through an elongated longitudinal opening in the coil spring and connects with an end of the coil spring. The shield apparatus further includes a shield element that is situated on an exterior surface of the coil spring and is structured to overlie at least a portion of an opening into the open region.

US Patent:

62153781, Apr 10, 2001

Filed:

Jan 25, 2000

Appl. No.:

9/491005

Inventors:

Jeffrey Scott Gibson - Aliquippa PA
Jeffrey Wayne Lockhart - Fombell PA
Michael Joseph Erb - Pittsburgh PA

Assignee:

Eaton Corporation - Cleveland OH

International Classification:

H01H 8306

US Classification:

335 18

Abstract:

A miniature circuit breaker has an arc fault detector and a ground fault detector each with its own test circuit. Test switches for the two test circuits are mounted on a printed circuit board and share a common test contact formed by a flat U-shaped leaf spring. The common test contact is deflected into engagement with another test contact for one or the other of the two test switches by a remotely mounted common test button through a common test actuating member which is moved generally rectilinearly by rocking the common test button.

US Patent:

62593390, Jul 10, 2001

Filed:

Feb 28, 2000

Appl. No.:

9/514103

Inventors:

Kevin Anthony Simms - Library PA
Jeffrey Wayne Lockhart - Bellevue PA
Michael Joseph Erb - Fombell PA

Assignee:

Eaton Coporation - Cleveland OH

International Classification:

H01H 7500

US Classification:

335 14

Abstract:

A remotely controllable circuit breaker has a set of secondary contacts in series with the main contacts and which can be opened and closed from a remote location by a magnetically latchable solenoid. A pivotally mounted operating member/indicator member coupled to the plunger of the solenoid by a non-magnetic pin has an extension which projects through an opening in the circuit breaker housing to provide an indication of the open/closed state of the set of secondary contacts and an operator for manually closing them.

US Patent:

20200365359, Nov 19, 2020

Filed:

Aug 7, 2020

Appl. No.:

16/987857

Inventors:

- Dublin 4, IE
JEFFREY WAYNE LOCKHART - Pittsburgh PA, US
ANDREW ROBERT ZAHN - Dedham MA, US
LANSON DWIGHT RELYEA - Moon Township PA, US
JAY NICHOLSON HAUGEN - Pittsburgh PA, US

Assignee:

Eaton Intelligent Power Limited - Dublin 4

International Classification:

H01H 89/00
H01H 9/02

Abstract:

An interruption apparatus includes a first portion having a trip unit and a second portion having a detection system. The first and second portions are individually selectable based upon the particular application and are then movable from a detached configuration to a connected configuration. The first and second portions are selected from a plurality of first portions and second portions having different specifications. A desired first portion having a first interruption rating and a desired second portion having detection capabilities that are suited to the particular application can be assembled together to provide a field-configurable interruption apparatus.

US Patent:

20170194122, Jul 6, 2017

Filed:

Jan 5, 2016

Appl. No.:

14/987814

Inventors:

- CLEVELAND OH, US
JEFFREY WAYNE LOCKHART - PITTSBURGH PA, US

Assignee:

EATON CORPORATION - CLEVELAND OH

International Classification:

H01H 71/24

Abstract:

A movable arm is for a movable arm assembly of an electrical switching apparatus. The movable arm assembly includes a first separable contact. The electrical switching apparatus has a housing, an operating handle coupled to the housing, and a second separable contact located internal the housing and being structured to engage the first separable contact. The movable arm includes a first arm member structured to be coupled to the first separable contact; and a second arm member coupled to the first arm member, the second arm member being structured to be coupled to the operating handle. The first arm member is made from a first copper material and the second arm member is made from a second, different copper material.