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7586052 |
Electromechanical switching device
An electromechanical switching device, a switching device arrangement and an electric connection module are disclosed. In order to make it easier to connect an electromechanical switching device, a...
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7545247 |
Electrical switching apparatus, and case and terminal shield therefor
A terminal shield is provided for an electrical switching apparatus including a case having a first housing member, a second housing member coupled to and disposed opposite from the first housing...
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7446667 |
Switch apparatus for starting alarm circuit of portable computer
A switch apparatus for activating an alarm function of an alarm circuit on a motherboard of a portable computer, the switch apparatus includes a switch mounted on the motherboard and a pressing...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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5038121 |
Molded case circuit interrupter trip indicating handle
An operating handle assembly for molded case circuit interrupters is robotically assembled to the circuit breaker operating mechanism without requiring any auxiliary fastening device. A visual...
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5021638 |
Keyboard cover
A protective cover or boot for a keyboard array is provided which prevents entry of contaminants, such as water, dust and the like into the interior of the keyboard assembly. A membrane of a...
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4943693 |
Barrier device for an electrical switch
A barrier device (1) which can prevent an electrical switch (10) from shorting in the region of its connecting points (11) includes a rectangular base (20) having an opening (21) therein. A first...
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4864466 |
Arc-proof shield for switch gear compartment
An arc-proof shield for covering a rectangular switch gear compartment having slotted channels secured to the inner face of each side wall thereof; the shield comprises a metallic cover consisting...
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4774390 |
Hand protector apparatus for electrical apparatus
The invention is an electrical shock prevention apparatus for electrical equipment having conductors capable of being connected to a voltage source comprising, a shield made of nonconductive...
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4771139 |
Keyboard with metal cover and improved switches
An improved keyboard is provided with a flexible metal cover, normally closed switches, and multiple throw switches. The metal cover is made flexible in the area of each key or switch by the...
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4687889 |
Electrical appliance interlock switch with improved isolation means
An interlock switch used with an electrical appliance such as a microwave oven. The interlock switch has a housing in which a plurality of switch elements are mounted. The housing also contains...
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4671688 |
Shielded keyboard
A shielded keyboard comprising a sheet of flexible fine wire mesh material between an array of keyboard contacts and an apposed array of switching actuators.
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4650940 |
Circuit breaker with arc gas vent baffle
A circuit breaker with an arc gas vent baffle characterized by a molded insulating housing containing circuit breaker and an arc quenching chamber, the housing having walls forming a compartment...
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4644122 |
Molded case circuit breaker with combined position indicator and handle barrier
A molded case circuit breaker includes an operating mechanism position indicator having a plurality of electrically insulating cards or strips disposed beneath an opening in the breaker cover about...
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4639564 |
Circuit breaker with arc chamber vent
A circuit breaker with arc chamber vent characterized by a molded insulating housing containing circuit breaker means and an arc quenching chamber, the housing having wall means forming a...
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4620076 |
Circuit breaker apparatus with line terminal shields
A circuit breaker apparatus characterized by a molded case forming a plurality of intercommunicating compartments with a circuit breaker structure within a compartment, arc-quenching means in an...
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4568807 |
Trigger tool handle switch with structural dust seal
A molded insulating switch housing (2) has a rectangular opening (2a) in an end wall thereof through which an actuator (4) having a rectangular cross-sectional shape extends for linear reciprocable...
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4533805 |
Manual operating device for a slide type electrical device
A manual operating device for a slide type electrical device, which is mounted inside the housing of an electrical apparatus, includes a manual operating slide with an operating plate disposed at a...
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4528430 |
Electrical appliance interlock switch with force efficient actuator
An interlock switch used with an electrical appliance such as a microwave oven. The interlock switch comprises a housing having a plurality of conductive swtich elements operated by an actuator. At...
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4506120 |
Arrangement for preventing operation of an electric switch
An arrangement for preventing operation of an electric switch includes substantially pin-shaped male formations rigid with the switch and substantially socket-shaped female formations which are...
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4476361 |
Disconnect contact assembly
According to the reciprocal movement of a movable arm, a stationary arm is connected or disconnected to fingers mounted to the movable arm. A metal ring electrically connected to the stationary arm...
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4463224 |
Distributor for suppressing electromagnetic waves of an internal combustion engine
An ignition distributor for suppressing electromagnetic waves in an internal combustion engine wherein the distributor cap includes a material which functions to absorb electromagnetic waves...
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4461939 |
Switchgear with Z-shaped insulating terminal cover
A cover for protecting connecting leads and terminals of a switchgear, which extend to one side of the switchgear from an upper part, is made in the shape of a Z. One arm of the Z extends upwards,...
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