Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 7674996 | Gassing insulator, and arc chute assembly and electrical switching apparatus employing the same A gassing insulator for the arc chute assembly of a circuit breaker includes a number of insulating members. The arc chute assembly includes first and second opposing sidewalls, and arc plates having first and second ends and first and second legs. Each insulating m... | 03/09/2010 |
| 7521645 | Arc plate, and arc chute assembly and electrical switching apparatus employing the same An arc plate for a circuit breaker arc chute assembly includes first and second portions coupled to opposing sidewalls of the arc chute assembly, first and second ends, and a throat portion between the first and second portions and including an aperture. The apertur... | 04/21/2009 |
| 7439469 | Electric switching device comprising an arc-quenching unit An electric switching device, designed to carry a low-voltage, in particular a circuit-breaker or contactor, having at least one arc-quenching unit (16;18) is provided. Connection contacts (8) are mounted in a housing (2) that can be sealed by a... | 10/21/2008 |
| 7371987 | Switching 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 ( | 05/13/2008 |
| 7285742 | Switching 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 |
| 7247808 | Electrical 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 |
| 7220933 | Arc 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 |
| 7202436 | Secondary arc chute and electrical switching apparatus incorporating same A secondary arc chute is for an electrical switching apparatus including a housing, a pair of separable contacts enclosed within the housing, and a primary arc chute disposed proximate the separable contacts in order to attract an arc generated by the separable cont... | 04/10/2007 |
| 7186941 | Arc extinguisher assembly for molded case circuit breaker An arc extinguisher assembly is provided for a mould cased circuit breaker capable of reducing time for arc extinguishing and preventing contacts from being damaged due to a back flow of an arc. To this end, the arc extinguisher assembly for a mould cased circuit br... | 03/06/2007 |
| 7105764 | Monolithic stationary conductor and current limiting power switch incorporating same A current limiting power switch has a monolithic stationary conductor with a conductor section that mounts fixed contacts that engage moving contacts on moving contact fingers to form a reverse current loop with the contacts closed. A terminal section projects trans... | 09/12/2006 |
| 7094986 | ARC chute assembly The arc plates of an arc chute assembly for a circuit breaker are supported in spaced, stacked relation by a structural shell molded of a gas evolving resin. Generation of arc gases, that cool the arc thereby increasing the current interruption capability of the bre... | 08/22/2006 |
| 7091438 | Circuit 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 |
| 7067758 | Electric 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 |
| 7034242 | Arc chute and circuit interrupter employing the same A circuit interrupter arc chute includes first and second support portions, an exit portion supported by the support portions, and a plurality of arc plates supported by the support portions. The exit portion has one or more vent openings. The arc plates have a firs... | 04/25/2006 |
| 6717090 | Arc quenching configuration for an electrical switching device An arc quenching configuration for an electrical switching device has an arcing chamber in which an arc is produced between a stationary contact piece and a moving contact piece during a switching operation. An arc splitter stack is provided and has a number of arc ... | 04/06/2004 |
| 6631058 | Method and apparatus for reducing arc retrogression in a circuit interrupter A technique for reducing arc retrogression in a circuit interrupter includes providing a source material in a parallel current carrying path in the interrupter. The source material and parallel current carrying path support no current during normal operat... | 10/07/2003 |
| 6373014 | Current limiting device and circuit interrupter having a current limiting function A current limiting device includes first and second contact members, each contact member having, at a first end, contacts defining a contact pair; a contacting pressure is applied to said contact pair; and a cylindrical insulator cylindrically surrounding... | 04/16/2002 |
| 6267876 | Control of magnetic bearing-supported rotors Rotor systems are provided comprising rotor, magnetic bearings and a magnetic bearing controller. The controller is one which varies in accordance with linear parameters and is preferably responsive to linear matrix inequalities. High speed, low loss flyw... | 07/31/2001 |
| 6262384 | Switching device having an arc extinguishing device A switching device is provided having an optimally used arcing chamber. To this end, a lower arc runner plate extends into a space located behind the arcing chamber, and an upper arc runner plate is positioned off from this space by an appropriate design ... | 07/17/2001 |
| 6054911 | Electrical switching device A switching device in which destructive stress on the contact carrier when short-circuit forces occur when ON is prevented. Stops on the arcing chamber limit the opening movement of the contact bridge before the contact spring is compressed to its block d... | 04/25/2000 |
| 5990440 | Switch and arc extinguishing material for use therein A switch containing a switch case, contacts adapted to be opened and closed, an arc extinguishing chamber disposed in the vicinity of the contacts, and an arc extinguishing material capable of reducing the amount of metal particles and free carbons to be ... | 11/23/1999 |
| 5945650 | Polyphase rotary switch including arc chamber system with arc grids, line shields and baffles A multi-phased switch support base including a molded top cover and a molded bottom base each having interior and exterior walls which divide the interiors. When assembled together the base is divided into compartmentalized arc chambers which function to ... | 08/31/1999 |
| 5861596 | Dual baffle apparatus for electrical switching device A baffle for use in a circuit breaker includes a first baffle mechanism and a second baffle mechanism. Each of the first and second baffle mechanisms includes a base, a plurality of elongated members supported by the base, and cross-pins or other elongate... | 01/19/1999 |
| 5818003 | Electric switch with arc chute, radially converging arc splitter plates, and movable and stationary arc runners A contactor for switching electric current has a stationary contact and a movable contact which when driven by a solenoid moves into and away from abutment with the stationary contact. An arc chute includes a plurality of splitter plates which extend radi... | 10/06/1998 |
| 5780800 | Circuit breaker contact arm and spring shield An arc isolation shield for molded case circuit breakers is inserted between the circuit breaker case and cover and attached to one leg of the operating cradle. The knee of the circuit breaker moveable contact arm contacts the bottom of the shield and mov... | 07/14/1998 |
| 5756951 | Arc chute having three barriers for the passage of arc gasses An arc chute for a circuit-breaker has a chute member with arc splitters and an end member that seals off the chute member to the top. The end member has three barriers for arc gases, the first and the second barrier have webs with a more or less square c... | 05/26/1998 |
| 5589672 | Circuit breaker with arc quenching device and vent A circuit breaker is formed of a stationary contact member bent back into a U-shape and having a stationary contact at a bent back portion thereof, a moving contact member situated adjacent to the stationary contact member to be able to contact with the s... | 12/31/1996 |
| 5539170 | Arc grid plate for electrical switching device An arc grid plate for an arc box of a contactor includes a conductive plate having two sides, a rear edge, and a front arc edge. The sides are slidable within a pair of grooves of the side walls of the arc box. The rear edge of the conductive plate has tw... | 07/23/1996 |
| 5504292 | Arc stack for a circuit breaker An arc stack for receiving a circuit breaker blade moveable between a closed position and an open position, includes a plurality of arc plates positioned substantially parallel to one another and arranged in a plurality of adjacent groups. Each of the gro... | 04/02/1996 |
| 5498847 | Arc stack for a circuit breaker An arc stack for receiving a circuit breaker blade moveable between a closed position and an open position, includes a plurality of generally rectangular are plates having substantially similar length and width dimensions and positioned substantially para... | 03/12/1996 |
| 5475193 | Arc quenching chamber including gas generating stationary contact insulation and improved arc runner The low-voltage switch includes a stationary contact (2) and a moving contact (3). The two contacts and an arc splitter stack (6) are arranged in an arc quenching chamber (5). An elongation element (14) is fitted on the stationary contact (2), extends in ... | 12/12/1995 |
| 5132497 | Magnetic shielding means for a current sensor of direct current switching apparatus A Hall effect device is located in a focused gap of a flux concentrator disposed over one power terminal of a D.C. switching contactor to monitor flux induced by current flow. Magnetic fields from permanent magnets of the switching apparatus are shielded ... | 07/21/1992 |
| 4975553 | Line terminal and arc stack for a circuit breaker A circuit breaker line terminal includes a uniform width, flat, sheet metal body having end portions for coupling to a line conductor and an arc runner, respectively. An integral tongue has an end forming a return loop spaced from the body and includes a ... | 12/04/1990 |
| 4958052 | ARC severing and displacement method and apparatus for fault current interruption Current interrupters for high voltage networks are disclosed which sever the post-zero arc plasma, connecting a pair of arc terminating electrodes, near an upstream wall electrode and displace the severed plasma with a high dielectric strength gas, gainin... | 09/18/1990 |
| 4764650 | Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles A sub-assembly comprising a contact finger support cage and a connection pad of each pole is securedly united to an intermediate insulating partition of the case by a bracket and screw fixing device. The cage is pivotally mounted on a spindle positioned i... | 08/16/1988 |
| 4649242 | Stationary contact assembly for a current limiting circuit breaker A stationary contact assembly is provided for a circuit breaker which has a base, a line terminal and an arc chute. The stationary contact arm is J-shaped and formed from a single piece of conductive material which has a contact affixed to the short leg o... | 03/10/1987 |
| 4629840 | Device for quenching an electric arc In an arc quenching device a quenching chamber filled with sulfur hexafluoride is provided with a plurality of superimposed overlapping ascending quenching plates having openings defining arc inlets. A movable contact cooperating with a stationary contact... | 12/16/1986 |
| 4598187 | Current limiting circuit breaker A current limiting circuit breaker utilizes a first pair of contacts for carrying continuous current and controlled by an operating mechanism. A second pair of contacts is arranged on a pair of movable contact arms ahead of an arc chute for rapid repulsio... | 07/01/1986 |
| 4491705 | Electrical switch Disclosed is a circuit breaker switch configuration in which a conducting member in the switch for connecting a switch terminal to a switch contact is shaped to form a loop current path, such that when a current flows in the switch, a magnetic field is es... | 01/01/1985 |
| 4489225 | Electromagnetic contactor An electromagnetic contactor comprises a stationary contact point fixed to a stationary contact, a movable contact point fixed to a movable contact to associate with the stationary contact point for switching operations, an arc box for arc extinction for ... | 12/18/1984 |
