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| Number | Title | Issue Date |
| 8178804 | Movable contactor for air circuit breaker with contact spring protecting mechanism A movable contactor for an air circuit breaker with a contact spring protecting mechanism is provided, the movable contactor comprising a shielding plate configured to shield exposed surfaces of the contact springs for protection so as to prevent a deterioration or ... | 05/15/2012 |
| 8044312 | Electrical service device with depressions for increasing air gaps and leakage paths An electrical service device having a housing is disclosed, in which voltage-carrying components are accommodated which are accessible via openings in the housing of the service device. At least one opening can have at least one wall-like insulating barrier associat... | 10/25/2011 |
| 7348510 | Safety switch, and enclosure and electrical connector assembly therefor An electrical connector assembly is provided for an electrical switching apparatus including an enclosure, separable contacts housed by the enclosure, and an operating mechanism structured to open and close the separable contacts. The enclosure has a back panel, sid... | 03/25/2008 |
| 7342193 | Electronic apparatus with an electrostatic discharging structure An electronic apparatus with an electrostatic discharging structure is disclosed. The electronic apparatus includes a key cap, a switch component, a discharging conductor, a grounding point and a circuit board. The switch component is mounted on the circuit board. T... | 03/11/2008 |
| 7334442 | Privacy keypad A privacy keypad providing privacy for keypad character entry and concealment of a joint in an escutcheon. A privacy keypad may include a faceplate, a keypad disposed on the faceplate, and at least one protrusion integral with the faceplate. An escutcheon for a door... | 02/26/2008 |
| 7304561 | Motor overload protector An enclosed motor protector has a housing formed by a base (10) and a cover (12) received on the base and enclosing a recess (10a) formed in the base. A first terminal (14) extends through an opening in the housing and mounts a sta... | 12/04/2007 |
| 7176398 | Transient suppression device and method of packaging the same A transient suppression device for limiting to desirable levels current and energy entering a fuel tank of an aircraft over interface wiring that penetrates a wall of the fuel tank comprises: an elongated, hollow, conductive housing capped at one end and open at ano... | 02/13/2007 |
| 7170020 | Circuit breaker and terminal cover A circuit breaker includes terminals with screws on a power supply side and a load side disposed at a front end section and a rear end section of a main body case containing a current interrupting unit and a switching mechanism. A terminal cover is detachably attach... | 01/30/2007 |
| 7138588 | Operating member The operating member is constructed by supporting the button members with the thin sheet member without integrally constructing the button members, and therefore, the device can be downsized and slimmed. The key tops of the button members can be individually surface... | 11/21/2006 |
| 7067747 | Protective 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 |
| 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 engage certain portions of the bumper yet permit deformations of other ... | 06/20/2006 |
| 7009126 | Load terminal cover A terminal cover for use on molded case circuit breakers. The terminal cover limits access to circuit breaker electrical terminals and uninsulated portions of electrical conductors entering the terminals. The terminal cover also provides selective access to the term... | 03/07/2006 |
| 7002086 | Switch device A switch device includes: an operating portion made of a synthetic resin and having a conductive plating layer formed thereon, the operating portion configured to be inserted into a hole formed on a housing of an apparatus; and a shielding portion made of a syntheti... | 02/21/2006 |
| 6962454 | Keyboard protective cover A protective cover or envelope for a keyboard array that prevents entry of contaminants such as water, foodstuffs, chemical compounds, including medical or pharmaceutical compositions in the form of fluids or solids, dust and the like into the interior of the keyboa... | 11/08/2005 |
| 6936782 | Keyboard switch mechanism The present invention provides a keyboard switch which can reduce the number of assembly processes by decreasing the number of components and which can be easily assembled. First to third link members 5, 6 and 7 of a keyboard switch of the present inve... | 08/30/2005 |
| 6936781 | Load terminal cover A load terminal cover assembly for use on circuit breakers installed in electrical enclosures. The assembly selectively limits access to circuit breaker load terminals and uninsulated portions of load conductors entering the load terminals when the enclosure cover a... | 08/30/2005 |
| 6930577 | Circuit breaker lug cover and gasket A molded insulator cover for a circuit breaker molded case includes a terminal connector attachable to the strap terminal. The terminal connector is disposed in the circuit breaker molded case and an insulator discrete from the molded case is disposed around the ter... | 08/16/2005 |
| 6541722 | Finger barrier for electric power switches and electric power switch incorporating the same A monolithic finger barrier for blocking insertion of a human finger into the open end of a terminal recess in the molded casing of an electric power switch such as a circuit breaker includes a planar member that slides into mountings slots in the switch ... | 04/01/2003 |
| 6495779 | Contact assembly on a preselector The invention relates to a contact assembly mounted on a preselector of a step switch, where the fixed preselector contact has a contacting ring that can be interconnected. The appropriate design of the contact and of the openings in an insulating materia... | 12/17/2002 |
| 6489576 | Transparent keyboard device A keyboard device that has an excellent appearance even when viewed from a rear surface side of a transparent keyboard. The keyboard device has a keyboard main body where plural key tops are provided on a support plate, a control board provided on the rea... | 12/03/2002 |
| 6307739 | Computer system form factor A form factor for use in the manufacture of a portable computer includes a U-shaped member having at least two distinct elements attached together. In one form factor, the U-shaped member includes two distinct elements: a unitary wall element having a fir... | 10/23/2001 |
| 6307456 | Light industrial circuit breaker terminal cover An electrically-insulative terminal cover is arranged on the line end of a light industrial-rated circuit breaker to allow a close-fit arrangement between a plurality of such circuit breakers within a common enclosure. The terminal cover is in the form of... | 10/23/2001 |
| 6265955 | Hermetically sealed electromagnetic relay Sealed relays intended for high-voltage or high-power switching are enclosed in a herrnetically sealed plastic housing or jacket (11) capable of long-term maintenance of either a high vacuum or a pressurized insulating gas within the relay to suppress con... | 07/24/2001 |
| 6144001 | Circuit breaker terminal shield with integral securing and installation and removal features apparatus, means and system A circuit breaker terminal shield with integral securing and installation and removal features apparatus, means and system for use with a circuit breaker assembly having at least one circuit breaker terminal, at least one fastening aperture associated wit... | 11/07/2000 |
| 6121562 | Circuit breaker terminal shield with integral securing and installation and removal features method A circuit breaker terminal shield with integral securing and installation and removal features method for fastening a circuit breaker terminal shield apparatus to at least one terminal end of a circuit breaker assembly having at least one circuit breaker ... | 09/19/2000 |
| 6066818 | Keyboard assembly having heat dissipating device A keyswitch for use with a keyboard, comprising an actuating mechanism, an elastic member, and a membrane switch is provided. Characterized in that at least a heat dissipating device is attached to the membrane for facilitating heat dissipation thereof.... | 05/23/2000 |
| 5907140 | Circuit breaker having a snap-in attachable collar A molded insulating collar for an insulating housing of a circuit breaker has a plurality of depending tabs which are received in grooves in the housing and provided with cooperating snap-fit structures within the housing to enable the collar to be sub-as... | 05/25/1999 |
| 5875885 | Combined wire lead and interphase barrier for power switches Insulative guide members secured to an end face of switching apparatus between power terminals route electrical leads from attachment devices mounted inside the molded housing of the switch which exit the housing above the power terminals down between the... | 03/02/1999 |
| 5493092 | Shield for a line side of a circuit breaker for supporting cable and deflecting ionized gases A shield structure on the line side of a circuit breaker has several adjacent channels for carrying ionized gases and cables electrically connected to a line terminal assembly. The shield structure has a main portion and a stepped portion which directs th... | 02/20/1996 |
| 5486664 | Seal for cord passageway of power pod A power pod enclosure having an electrical cord exit passage communicating with an open side of the enclosure has a brush seal attached to the enclosure whereby bristles project to a cover closing the open side, the bristles filling the passage to impede ... | 01/23/1996 |
| 5486666 | Protective cover for electrical terminals and method of using same The present invention provides a cover for an exposed electrical terminal mounted on an electrical distribution device. The cover includes a generally planar body member having sufficient size to substantially cover the exposed terminal. The cover demount... | 01/23/1996 |
| 5406449 | Pullout type electric disconnect switch A rigid insulating shield has tabs at a lower end inserted in slots in a case and a press-in fastener at an upper end inserted within a hole in a switch base assembly for securing said shield within the case. A handle pullout has a large flange extending ... | 04/11/1995 |
| 5343355 | Safety shutter device for drawout type switch gear The safety shutter device comprises, a fixed shutter blade (19) provided on the front face of the lead conductor carrying member (11), at least one shutter driving unit accommodated in an insertion space (18) which is between the lead conductor carrying m... | 08/30/1994 |
| 5304761 | Arc-proof molded case circuit breaker An industrial rate multi-phase molded case circuit breaker is fitted with an exhaust gas barrier and line lug cover at the line end thereof to redirect the arc exhaust gases exiting from the line end. An electric circuit is prevented between the different... | 04/19/1994 |
| 5181164 | Compartment barrier for padmounted switchgear In an electrical distribution apparatus a switchgear device has a fixed element disposed within a shielded region of an enclosure of the apparatus, and a movable element supported for movement between a closed position in contact with the fixed element an... | 01/19/1993 |
| 5181158 | Phase barrier for padmounted switchgear In a multiple-phase electrical distribution apparatus, a number of barrier panels formed of dielectric material are provided for separating electrical transmission components disposed within the apparatus. The barrier panels may be manually placed in and ... | 01/19/1993 |
| 5150091 | Bus cover and lug cover for a molded case circuit breaker Molded plastic bus covers are attached to the ends of a pair of molded case circuit breakers to isolate the circuit breakers from an electrical enclosure as well as to isolate between the circuit breakers themselves when connected within the enclosure in ... | 09/22/1992 |
| 5134259 | Palm button switch apparatus A palm button switch apparatus includes a housing, a solid palm button fixedly mounted on the housing, a guard fixedly mounted on the housing and surrounding the periphery of the palm button. A bore extends through the housing and into the palm button. Th... | 07/28/1992 |
| 5096317 | Computer key cover apparatus A cover apparatus including a transparent housing overlying a computer keyboard, wherein the cover apparatus includes a plurality of forward and rear side walls defining rows of openings, wherein each row of openings is arranged overlying rows of computer... | 03/17/1992 |
| 5064977 | Molded unitary frame for circuit protection A circuit protector employs molded resinous parts including a base and a support frame structure. Advantageously the circuit protector support frame structure may include a medial plane frame providing space for two circuit protectors, one on each side of... | 11/12/1991 |
