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7642478 |
Device for controlling an electric power cutoff device
A device for controlling a circuit-breaker intended for opening and closing this electric power cut-off device comprising a mobile contact, this control device comprising a motor with a rotary...
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7638723 |
Toggle flange
Electrical devices are described.
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7633364 |
Dampening apparatus and circuit interrupter including the same
A dampening apparatus has a housing with a plurality of first guide members and a plurality of second guide members coupled together. A first biasing member is located in an area proximate to the...
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7598468 |
Electrical switching apparatus, and stored energy assembly and time delay mechanism therefor
A time delay mechanism is provided for a circuit breaker stored energy assembly including a mount, a spring coupled to the mount, at least one charging mechanism for charging the spring to store...
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7598467 |
Electrical switching apparatus having a cradle with combined pivot and over-toggle reversing pin
The present invention provides for an electrical switching apparatus operating mechanism opening assembly wherein the toggle assembly stop/kicker pin has been separated into a kicker pin and a stop...
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7586055 |
Over running clutch for a direct drive motor operator
An over running clutch assembly for an electrical switching apparatus is provided. The over running clutch assembly includes a sprocket and a hub assembly. The hub assembly is rotatably coupled to...
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7569787 |
Electromagnetic switch of starter
An electromagnetic switch has a shaft and a movable contact member slidably supported by the shaft. The shaft is moved with a plunger when an electromagnet is formed of an electromagnetic coil...
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7545245 |
Manual opening device and electrical switching apparatus employing the same
A manual opening device is for an electrical switching apparatus, such as a synchronous circuit breaker, including a housing having an opening, a plurality of pole mechanisms each comprising...
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7544907 |
Special provisions for network protector retrofits
A retrofit assembly structured to allow a CM22 type circuit breaker to engage, and be enclosed by, a CMD type circuit breaker tank is provided. The retrofit assembly includes a levering mechanism,...
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7528336 |
Gas circuit-breaker
In an interrupter of a gas circuit breaker that uses springs as a driving source, a contact having a fixed contact and movable contact is opened and closed so as to turn on and off electric power....
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7518075 |
Energy accumulator
The invention relates to a novel energy accumulator for a load step switch for rapid, continuous switching between various winding tappings. Said energy accumulator comprises a lifting carriage and...
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7518076 |
Electrical switching apparatus, and charging assembly and interlock assembly therefor
An interlock assembly is provided for a circuit breaker charging assembly. The charging assembly includes a cam shaft, a latch mechanism, such as a D-shaft, a latch assembly, and a charging handle....
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7495189 |
Miniature circuit breaker
A miniature circuit breaker is disclosed with a latch for continuously opening and closing a contact point with a contact lever on which the moving contact member is molded. A toggle lever gear...
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7488912 |
Sensing mechanism and electronic apparatus having the same
An electronic apparatus has a sensing mechanism and is disposed to a circuit board having a sensing switch, including a receptacle housing having an opening disposed at one side thereof, the...
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7488913 |
Mountable circuit breaker
A mountable circuit breaker is disclosed. The circuit breaker includes a housing having first and second housing members and a latch member. The housing defines a rail receptacle for mounting the...
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7482548 |
Extended actuating device for a circuit breaker including a trip assistance device
An extended actuating device for a circuit breaker is provided, including a trip assistance device having a first rotary device integral in rotation with a control lever of the circuit breaker. A...
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7473862 |
Movable contactor of circuit breaker and fabrication method for finger thereof
A movable contactor of a circuit breaker, comprising: a cage for angularly rotating with one side as a axis; a plurality of fingers disposed at the cage, including a path body portion having a...
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7470870 |
Low-voltage circuit breaker
A low-voltage circuit breaker includes a first contact arrangement, for connecting a fixed contact to a first busbar and a second contact arrangement, for connecting a counter contact, arranged on...
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7459650 |
Electrical switching apparatus, and latch assembly and latch engagement control mechanism therefor
A latch engagement control mechanism is provided for a latch assembly of a circuit breaker including a housing, separable contacts, and an operating mechanism having a pole shaft, and at least one...
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7449653 |
Positive resetting close latch for closing electrical switching apparatus
A latch assembly for an electrical switching apparatus operating mechanism is provided. The latch assembly is structured so that force from the closing spring is directed along a line extending...
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7449652 |
Catchment mechanism to prevent camshaft over-rotation during closure in a direct-drive stored energy mechanism
A catchment mechanism for an electrical switching apparatus operating mechanism is provided. The catchment mechanism includes a catchment wheel with a radially extending surface, a catchment prop,...
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7432787 |
Motorized loadbreak switch control system and method
A control system and method for a motorized high voltage loadbreak switch.
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7411145 |
Motor operator de-coupling system sensing camshaft position
A decoupling assembly structured to decouple the charging motor and the charging assembly cam shaft is provided. The decoupling assembly includes a lifter pin assembly and an elongated second end...
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7397008 |
Switching mechanism for air circuit breaker
A switching mechanism of an air circuit breaker that allows the overall size of the air circuit breaker to be minimal by making the width of the switching mechanism relatively small. The switching...
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7397007 |
Assembly for controlling the force applied to a pantograph
A method and apparatus for controlling a force applied to a pantograph. A bidirectional snubber and a velocity controller are used to dampen the applied force. Linkages between a shaft and the...
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7394032 |
Electrodynamically tilting contact system for power circuit breakers
An electrodynamically tilting contact system for power circuit breakers includes an actuating shaft segment, a rotary contact bridge pivotally mounted therein and contact force springs that form...
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7368675 |
External operation handle device for a circuit breaker
An external operation handle device is used for a circuit breaker for switching a locker handle to ON and OFF positions. The handle device includes a main body casing for the circuit breaker, a...
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7368677 |
Reverse bias hatchet reset spring
A spring offset device is structured to extend between a circuit breaker frame assembly and a trip mechanism. The offset device includes an offset member disposed on a trip device banana link, a...
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7368676 |
Switching device
A switching device having a frame, in which an actuator adapted to rotate a main shaft of the switching device and rotatable around an axis of rotation, the actuator having a 0 position, an I...
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7358455 |
Cradle stop assembly, and operating mechanism and electrical switching apparatus employing the same
A cradle stop assembly is provided for a circuit breaker including an operating mechanism. The operating mechanism includes a pivotable movable contact arm and a cradle member which is movable...
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7355139 |
Miniature circuit breaker
A miniature circuit breaker includes an elastic contact piece to contact with two terminals of a circuit, thereby electrically connecting the circuit. One end of the elastic contact piece fixed to...
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7342474 |
Circuit breaker configured to be remotely operated
A circuit breaker configured to be remotely operated is disclosed. The circuit breaker includes a set of main contacts configured to connect between an electrical source and an electrical load, an...
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7319203 |
Circuit interrupter and operating mechanism therefor
An operating mechanism is provided for a circuit interrupter, such as a battery disconnect apparatus, including a housing and a number of stationary electrical contacts enclosed by the housing. The...
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7310221 |
Switching installation provided with an electrically insulating barrier
A switching installation ( 5 ) having a circuit breaker ( 12 ), which is connected to a cable connection ( 33 ), and optionally a disconnector ( 14 ) for making or breaking a conductive connection...
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7297890 |
Earthing switch
An earthing switch for a medium voltage switchgear comprising a plurality of fixed contacts, a plurality of movable contact surfaces which are suitable to contact said plurality of fixed contacts...
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7294804 |
Energy dissipating spring seat
Within a closing assembly that utilizes a ram assembly having a spring driven ram body, an energy dissipating spring seat assembly is provided. The ram body is mounted on a guide assembly having at...
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7209336 |
Double-protection circuit protector
A circuit protector is connected in a circuit to protect the circuit from overloading. The circuit protector includes a casing inside which first and second terminals electrically connected to the...
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7199318 |
Air guidance device for cooling a switch part of an electrical switch
An air guidance device is for cooling a switch part of an electrical switch. It includes at least one air guidance element arranged at a distance from the switch part to be cooled, forming at least...
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7186937 |
Rotational backlash compensating cam for stored energy circuit breaker charging motor control
The present invention provides a motor control cam having a relief channel adjacent to the switch lever notch. The relief channel extends generally circumferentially from said switch lever notch...
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7161105 |
Electrical switching device
An electrical switching device, in particular a circuit breaker, is disclosed. In order to shorten the opening times of a switching device such as this, a snap-action system is used. The system...
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7115828 |
Internally switched electric power interrupter
An electric power interrupter with an internal contactor that is suitable for use as a line and load switch constructed from light weight materials including a fiberglass or composite insulator and...
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7115829 |
Switch
A switch includes a contact mechanism having at least one contact and defining a longitudinal axis. Actuation of a handle moves the contact mechanism transversely to the longitudinal axis between...
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7115830 |
Redundant pivot trip latch
A trip mechanism having a hatchet plate disposed on a pivot pin assembly having a pivot pin member with at least three pivoting surfaces. First and second pivoting surfaces are located where the...
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7098416 |
Reverse-action auxiliary switch actuator mechanism and circuit breaker employing the same
An auxiliary switch actuating mechanism is for a circuit breaker including a housing, separable contacts, an operating mechanism with an operating handle interconnected to the separable contacts by...
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7064284 |
Circuit breaker with bumper
An improved circuit breaker includes a case, a movable arm, and a bumper retained within a receptacle formed on the case. The bumper is retained in the receptacle by a number of spaced ribs that...
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7053324 |
Switching mechanism for a manual motor starter
The present invention relates to a switching mechanism for preventing a trip error of a manual motor starter. While using the manual motor starter, even though a latch holder ( 4 ) is incompletely...
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7045733 |
Low-voltage circuit-breaker and corresponding positive-opening-operation device
Described herein is a low-voltage circuit-breaker, which comprises at least one mobile contact and a corresponding fixed contact, and a positive-opening-operation device. The...
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7038155 |
Latching mechanism for locking an actuating shaft and electrical switch with a latching mechanism of this type
A latching mechanism is for locking an actuating shaft of an electrical switch, which can be transferred from an OFF position into an ON position by a drive train counter to the force of at least...
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7019228 |
Method for controlling a displaceable electrical switching module
The invention relates to a method for controlling an electrical switching module which can be displaced between an entry position and an exit position. The switching module comprises switching...
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7009129 |
Switching device comprising a breaker mechanism
A switching device including housing and a breaker mechanism, the latter consisting of a trip lever, a catch, a displaceable contact arm and a deflection shaft that is fixed to the housing. The aim...
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