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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 218/22 - Magnetic blowout


Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter wherein the circuit interrupter contains
No. of patents: 129
Last issue date: 08/26/2008


1        
NumberTitleIssue Date
7417520Contactor for direct current and alternating current operation
The invention relates to a contactor for direct current and alternating current operation with at least one contact point with a fixed contact and a movable contact, at least one permanent magnet, arranged adjacent to the contact point, for the generation of a perma...
08/26/2008
7351927Electrical switch, conductor assembly, and independent flexible conductive elements therefor
A flexible conductive element is provided for the conductor assembly of an electrical switching apparatus. The conductor assembly includes a load conductor, a movable contact assembly including a number of movable contact arms, movable electrical contacts mounted on...
04/01/2008
7348514Slot motor and circuit breaker including the same
A circuit breaker includes fixed and movable contacts, an operating mechanism including a movable arm carrying the movable contact, an arc chute including a plurality of spaced apart first and second arc plates, and a slot motor. A slot motor structure is disposed a...
03/25/2008
7301743Device and a method for advanced protection from short circuit current
A two channel universal device for advanced protection from a short circuit current which evaluates a rate-of-change of current in a supply feeder and compares the current in the supply feeder and the current in load phases generating a differential signal in such a...
11/27/2007
7285742Switching device
The invention relates to a switching device with a switching structure (1), which includes a cage assembly (21) having two opposite first sidewalls (5) and a bottom wall (6) integrally connecting the first sidewalls. The cage assembly (
10/23/2007
7259646Electrical service device having an arc prechamber area, prechamber plates and a current-limiting arc-quenching device
The invention proposes an electrical service device, in particular line circuit breaker or motor circuit breaker, having a housing having connection means (20, 21) for the purpose of connecting busbars and/or connection lines on at least one end side, having ...
08/21/2007
7247808Electrical service device having an arc prechamber area, arc guide rails and a current-limiting arc-quenching device
The invention proposes an electrical service device, in particular line circuit breaker or motor circuit breaker, having a housing having connecting areas and connection means (2, 3) for the purpose of connecting busbars and/or connection lines on both end si...
07/24/2007
7238910Crossbar assist mechanism and electrical switching apparatus employing the same
A crossbar assist mechanism is for a circuit breaker including a housing, a movable contact, a stationary contact, and an operating mechanism. The operating mechanism includes a crossbar, a carrier coupled to the crossbar, and a movable contact arm which is pivotabl...
07/03/2007
7220933Arc quenching device for circuit breakers
The present invention specifies an arc quenching device having improved current limitation and reduced heat losses, in the case of which a moving contact piece (31) is not subject to increased erosion and wear. For this purpose, a quenching path according to ...
05/22/2007
7208805Structures comprising a layer free of nitrogen between silicon nitride and photoresist
The invention includes a semiconductor processing method. A first material comprising silicon and nitrogen is formed. A second material is formed over the first material, and the second material comprises silicon and less nitrogen, by atom percent, than the first ma...
04/24/2007
7205871Circuit breaker intermediate latch
An intermediate latch for a telecommunication system circuit breaker trip device is provided. The trip device has a spring biased trip bar with a latch extension. The circuit breaker has an operating mechanism with a spring biased cradle. The intermediate latch has ...
04/17/2007
7199319Handle assembly having an integral slider therefor and electrical switching apparatus employing the same
A handle assembly is provided for a circuit breaker which includes a housing assembly that defines a substantially enclosed space housing an operating mechanism. The handle assembly is preferably a single-piece and includes a base member which is coupled to the oper...
04/03/2007
7148774Contact assembly
A circuit breaker contact assembly includes a line conductor having a folded back fixed contact end, a fixed contact mounted on the contact end, and a movable contact arm having an inner edge and first and second ends. A movable contact is mounted on the first end. ...
12/12/2006
7148775Contactor assembly for circuit breaker
A contactor assembly for a circuit breaker is disclosed. There is provided a contactor assembly, wherein stationary pins fixed to a rotary shaft and supporting one ends of springs and limit pins contacting the upper surface of the movable contactor and supporting th...
12/12/2006
7145419Contactor assembly for a circuit breaker
A contactor assembly for a circuit breaker comprises a first spring supporting pin, a cam plate, a second spring supporting plate, a link, and a spring. When a movable contactor is rotated without a rotation axis, a fluctuation of a rotation center of the movable co...
12/05/2006
7141751Breaker for providing successive trip mechanism based on PTC current-limiting device
Disclosed is a breaker for providing successive trip mechanism based on PTC current-limiting device, which includes a first switch having first fixed/movable contact points; a second switch having second fixed/movable contact and connected to the first switch in par...
11/28/2006
7138597Circuit breaker with arc gas propelled movable contact and opposed arc cutoff shutters
The support for the moving contact of a circuit breaker has a piston that is driven by arc gases generated by initial separation of the contacts through magnetic repulsion to rapidly open the contacts. A pair of telescoping shield sleeves that have aligned openings ...
11/21/2006
7115829Switch
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 an open position and a closed position in relation to at least one fix...
10/03/2006
7091438Circuit breaker with improved arc extinction system
An improved circuit breaker includes an arc extinction system having one or more insulators that generates a desirable gas in the presence of an arc. The exemplary circuit breaker includes gas-generating insulators disposed at three sides of a stationary contact and...
08/15/2006
7081596Arc-quenching device for circuit breakers having double-break contacts
The present invention relates to an arc-quenching device for circuit breakers having double-break contacts for use in low-voltage distribution systems. Provided around a prechamber (41) is a magnetic shield (91) for the purpose of intensifying the magn...
07/25/2006
7067758Electric power circuit breaker comprising a connecting bar and an arcing horn
An electric power circuit breaker includes a connecting bar against which an arcing horn rests with an attaching limb. The connecting bar extends through an opening of a rear wall of the housing. In order to connect the arching horn to the connecting bar, a projecti...
06/27/2006
7067747Protective unit to prevent contact with conductive contacts in a withdrawable space of switching device
A protective unit may prevent contact with conductive contacts in a withdrawable rack of a switching device. This may include one displaceable protective plate and lever arrangement for operating the protective plate. The lever arrangement has two levers that are in...
06/27/2006
7034642Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
A moving contact assembly for a high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin engaging a cam profile on t...
04/25/2006
7005594Movable contactor assembly of circuit breaker
Disclosed is a movable contactor assembly of a circuit breaker capable of enhancing a current limiting function by maintaining a contact state between a movable contactor and fixed contactors in a closed circuit state, by preventing the separated movable contactor f...
02/28/2006
6987657Voltage surge protection device
A device for protection against voltage surges comprises a stationary electrode and a movable electrode arranged facing an arc extinguishing chamber. The movable electrode is driven by a mechanisms, by an electromechanical actuator and/or by an electromagnetic circu...
01/17/2006
6977568Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
A moving contact assembly for a high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin engaging a cam profile on t...
12/20/2005
6975190Contactor device of circuit breaker
A contactor device of a repulsion-type circuit breaker includes a first movable contactor with a first movable contact to be driven by an open-close mechanism; a fixed contactor; a second movable contactor having second and third movable contacts; a first contact sp...
12/13/2005
6969816Switching arrangement for low-voltage circuit breakers
A switching arrangement for low-voltage circuit breakers with a high nominal current includes movable switching contacts arranged essentially on a moveable contact carrier. It further includes fixed switching contacts and a device for cooling, de-ionizing and exting...
11/29/2005
6970059Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same
A circuit breaker includes a housing having first and second openings, with stationary and movable separable contacts disposed therein. An operating mechanism is disposed in the housing, is coupled to the separable contacts and is structured to move those contacts b...
11/29/2005
6930573Interlocking cassettes for dimensional stability
A multipole cassette assembly having a center pole cassette assembly includes a first side and a second side, a first outer pole cassette assembly having a first side and a second side, a first spacer interlocking receptacle positioned on one of the first side of th...
08/16/2005
6919785Pressure sensitive trip mechanism for a rotary breaker
A pressure sensitive trip mechanism for actuating a circuit breaker operating mechanism to trip a circuit breaker includes a trip lever and a trip bar. The trip lever is rotatable about a first pivot. The trip bar is positioned proximate the trip lever. The trip bar...
07/19/2005
6828885Circuit breaker and method for producing same
A circuit-breaker including a an interrupter chamber housing that includes a plastic material and houses an interrupter. The interrupter includes at least one stationary contact member, which, via a busbar is connected to a corresponding connecting terminal and a mo...
12/07/2004
6819205Current limiting low-voltage power circuit breaker
A low-voltage power circuit breaker includes a current-limiting opening of a mobile switching contact. The force-transmitting connection between the actuating shaft lever and the mobile switching contact or the contact support is provided in the form of a latching d...
11/16/2004
6798325Connector rail made of profiled semifinished products for electrical devices and appliances for various nominal currents
A connector rail includes a full profile which is provided with first bearing surfaces and second bearing surfaces which are used to provide support in the window opening of the rear wall of the housing. The second bearing surfaces are provided with projections for ...
09/28/2004
6791440Apparatus for electrically isolating circuit breaker rotor components
An electrically isolating iso bearing for a circuit breaker is provided that comprises an inner surface, an outer surface, and a body extending therebetween, said inner surface comprising a pair of bosses and a pair of openings, said outer surface comprising at leas...
09/14/2004
6777636Low-voltage power switch with a bearing arrangement for a switch shaft
A low-voltage power switch, includes a drive device, fixed by way of a supporting framework and an associated switch shaft, fixed by way of two axially external bearing sub-assemblies, to the switch pole sub-assembly. In order to ensure that the fitting corresponds ...
08/17/2004
6777635Very high-speed limiting electrical switchgear apparatus
A limiting circuit breaker comprises two separable contacts 68, 70 and a mechanism 12 with energy storage 36 operated by an opening catch 30. The mechanism 12 drives a movable cage 58 between a closed position and an open po...
08/17/2004
6689979Switching contact arrangement of a low voltage circuit breaker with main contacts, intermediate contact and arcing contacts
A switching contact arrangement for a low-voltage power circuit breaker includes a switching contact arrangement with a stationary contact group and a movable contact group which interacts with it. The contact groups include interacting main contacts, as ...
02/10/2004
6639168Energy absorbing contact arm stop
A circuit breaker cassette comprises a housing having a fixed contact, and a movable contact on a contact arm. The contact arm is positionable in a closed position and an open position, wherein the contact arm is closed when the movable contact is in cont...
10/28/2003
6590172Circuit breaker mechanism for a rotary contact system
A circuit breaker is provided wherein the circuit breaker comprises a contact arm movable between a closed position, an open position and a blown open position wherein the contact arm is disposed in the circuit breaker. A bumper disposed to contact the co...
07/08/2003
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