Abstract: A moving seal for an air circuit breaker provides an arc creepage surface that is positioned between a pair of separable contact assemblies when the moving seal is fit into an inlet of the arc chamber. The arc creepage surface has a surface contour that increases a length of an arc travel path between the separable contact assemblies, relative to a straight line distance between of separable contact assemblies.

Abstract: Disclosed is a circuit breaker. The circuit breaker includes an arc exhaust port for exhausting an arc generated in the inner box; an outer box receiving the inner box and including an arc passage for exhausting the arc from the exhaust port to an outside; and an arc guide part for guiding the arc from the arc exhaust port into the arc passage, wherein the arc guide part includes: an upper guide; a lower guide spaced apart from the upper guide; and a connecting part connecting the upper and lower guides to each other in a longitudinal direction.

Abstract: The invention relates to an actuator for operating a positioning element. A common requirement in such actuators is that the positioning element can be decoupled from the electric motor that drives the positioning element via a transmission. In some applications the actuators are so compact that the only way to decouple the actuator is to disassemble parts of the actuator. To connect the positioning element to the electric motor again, this however requires that the whole actuator is demounted so as to ensure that the disassembled parts are properly assembled. The present invention overcomes this problem by providing an actuator comprising two toothed wheels which by mutual displacement can be brought out of mesh and which each comprises at least two toothed rims positioned with a spacing corresponding to at least the width of one toothed rim.

Abstract: A vacuum interrupter, including: an insulating housing; a movable end cap; a stationary end cap; a pair of movable and stationary contacts; and a pair of shields. The pair of shields is fixed on the movable end cap and the stationary end cap, respectively. The insulating housing, the movable end cap, and the stationary end cap cooperate to form a closed space. The closed space includes a movable fracture and a stationary fracture. The movable fracture is formed by the pair of movable and stationary contacts for carrying rated current and disconnecting capacitive load whereby achieving breaking performance of the vacuum interrupter. The stationary fracture is formed by the pair of shields. When the pair of stationary and movable contacts reaches a full open position, the stationary contact and the movable contact enter the pair of shields, respectively.

Abstract: Methods and apparatuses disclosed herein relate to backlit visual display elements. One embodiment may take the form a keyboard including at least one keycap, a dome switch layer underlying the keycap, and an encapsulation layer underlying the dome switch layer. The encapsulation layer may include a first printed circuit layer configured to transmit a signal corresponding to the at least one keycap. The keyboard may further include a light emissive layer underlying the encapsulation layer. The light emissive layer may include at least one emissive area corresponding to the at least one keycap and a second printed circuit layer configured to supply a voltage to the at least one emissive area.

Abstract: A rocker switch assembly and method includes a housing having an interior cavity for locating electronic components and a plunger member movably located during actuation within the interior cavity of the housing. The plunger member is coupled to at least one contact support. The switch assembly further comprises at least one terminal fixed within the housing. The at least one terminal corresponding with the at least one contact that engages or disengages with the terminal during actuation. A lever structure is pivotly coupled to the housing by a fulcrum fixedly attached to the housing. The lever structure comprises a lever having an upper side for receiving an external force and a lower side for engaging a head on the plunger member to generate actuation of the rocker switch during pivotal rotation of the lever.

Abstract: A circuit breaker which includes a shielding component. The shielding component includes an external portion which defines a space external to the circuit breaker housing. The external portion prevents insertion of the circuit breaker into a breaker box closer than the distances defining the space. This can have the advantage of preventing arcing from the breaker contacts to the breaker box. The external portion may also prevent insertion of the circuit breaker into a breaker box such that a vent in the circuit breaker housing is blocked. In some implementations, the shielding component contains an internal portion which extends into the circuit breaker housing and is disposed to impede debris generated by contact arcing, or other debris, from entering the mechanism of the circuit breaker.

Abstract: The disclosure relates to a button assembly for a device, such as an electronic device. The button assembly may include a button and a seal. The button may fit within a space defined by the seal. A portion of each of three sealing surfaces may each seal and press against respective surfaces of the button.

Abstract: A slide electricity structure according to the present invention uses grease for electrical contacts wherein contact resistance does not gradually increase even when exposed to sliding and lifetime is long, and has a silver-plated spring contact that contacts or separates by way of sliding and grease for electrical contacts that has been applied to the spring contact and contains perfluoropolyether oil having an average molecular weight between 2600 and 12500 as a base oil and PTFE having a primary particle diameter of 1 ?m or less as a thickener.

Abstract: An electrical rocker wall switch guard that is sized to fit over an electrical rocker wall switch where the electrical rocker wall switch guard has a main body sized to fit over a rocker arm of an electrical rocker wall switch; at least one aperture; and a circumferential skirt that extends downwardly from the main body and extends completely around the main body, the circumferential skirt having integrally formed portions at a first end and a second end of the electrical rocker wall switch guard that provide an attachment structure that permits removable attachment of the electrical rocker wall switch guard to an electrical rocker wall switch using screw receiving fittings that are provided in the electrical rocker wall switch for a decorative or protective wall plate.

Abstract: A seat switch assembly can maintain a reliable switching operation due to enhanced durability. A pressing plate has guides which are fastened to guide holes of a base. A seat switch housing is fastened to an assembly hole of the base. An actuation rod is received inside a through-hole of the seat switch housing, and moves in the top-bottom direction in response to a pressure from the pressing plate. A V-shaped contact pin is fixed to a fixing guide of the actuation rod. One portion of a terminal pin is buried inside the seat switch housing, and the other portion of the terminal pin is exposed to the outside. A return spring is received in the lower portion of the actuation rod. A cover closes the lower portion of the through-hole. The inner surfaces of the through-hole and the terminal pin are coplanar without a stepped portion.

Abstract: A solid-dielectric switch including a visible disconnect assembly having an open state and a closed state, a molded housing at least partially encasing the visible disconnect assembly, a viewing window molded into the molded housing, wherein the visible disconnect is visible through the viewing window. The invention also provides a method of molding the housing of the solid-dielectric switch. The method includes providing a mold including an external shell and an internal mandrel. The external shell defines external dimensions of a housing of the switch, and the internal mandrel defines internal dimensions of the housing. The method also includes providing a lens for a viewing window, sealing the lens between the external shell and the inner mandrel, and filling the mold with epoxy to mold the viewing window into the housing of the switch.

Abstract: A switch unit includes an operating component, and a base portion that supports the operating component capable of being pressed in criss-cross directions. The base portion is provided with a plurality of T-shaped regulating components that are formed in positions in directions sandwiched between the criss-cross directions. Each of the regulating components is provided with a leg portion that extends from the base portion towards the operating component, and an abutting portion that extends from an end portion of the leg portion along a line that connects together predetermined positions of the criss-cross directions that are located on both sides of each regulating component.

Abstract: A switch for multi-pole direct current service independent of polarity includes a plurality of switching chambers. Each chamber includes a double interrupter having two separate fixed contacts with a first contact area, a movable contact piece with two second contact areas, each for creating a connection between the contact areas in an ON state and for separating the contact areas in an OFF state, and at least two quenching devices for quenching arcs occurring when the OFF state is brought about. The switch also includes magnets for exerting a magnetic field in an area of the contact areas to exert a magnetic force on the arcs and drive the arcs, independent of their current direction, in the direction of one of the erasing devices. The contact pieces are disposed with the second contact areas essentially in a line perpendicular to a direction of motion of the arcs.

Abstract: A gas insulated switchgear includes a vacuum interrupter having a movable contact and a fixed contact in vacuum. The movable contact is on one side of a movable conductor that passes through a bellows. An insulating rod is coupled to the other side of the movable conductor that passes through the bellows. The insulating rod and the other side of the movable conductor are placed in an insulator. The vacuum interrupter, the insulating rod, and the insulator are disposed in a gas tank. An operating mechanism is disposed on a movable side end portion of the gas tank and connected to the insulating rod. An inner circumferential side space of the bellows, an internal space of the insulator, and an internal space of the operating box are in communication with each other; and pressure in these spaces is lower than pressure in the gas tank.

Abstract: A keyboard device with a luminous key is provided. The keyboard device includes at least one luminous key, a light-emitting element, and a light shade, and a membrane switch circuit module. When the membrane switch circuit member is triggered by the at least one luminous key, the membrane switch circuit member generates at least one luminous key signal. The light-emitting element is used for emitting a light beam. The light shade is used for shading the light beam. Moreover, the light shade and the membrane switch circuit member are integrally formed with each other. Consequently, the light shade can be securely fixed on the membrane switch circuit module.

Abstract: A vacuum interrupter is disclosed with a fixed contact and a movable contact placed axially in a spaced apart relationship. The ceramic insulator cylinders each surround the fixed contact and the movable contact. A floating shield within the ceramic cylinders has a floating potential flange disposed between the two ceramic cylinders, and exposed to external ambient. Encapsulation for at least one contact terminal extends from a metallic end cap of the corresponding contacts to cover a respective ceramic cylinder by an overlapping distance.

Abstract: Electrical device with axial control, such as switch, double-pole switch, toggle switch, inverter or the like, including a box-like containment structure (20) in insulating material, in which are housed: at least two connection terminals (31, 32), at least one fixed electrical contact (35) connected to one (31) of the connection terminals, at least one rocker arm element (36) carrying at least one mobile electrical contact (37) and connected electrically to another (32) of the connection terminals, and an axial actuation member (70) kinematically connected via a first oscillating support (50) to the rocker arm element (36), so as to make it oscillate between two predetermined stable positions, wherein on the first oscillating support (50) acts a second oscillating support (60) which is made to oscillate in one direction or in the other at each actuation of the axial actuation member (70).

Abstract: The present invention relates to a device D for controlling the poles of an electric protective apparatus capable of driving a shaft (1), called the first shaft, for supporting the movable contacts between an open position of the pole in which the movable contacts and the fixed contacts of the apparatus are separated and a closed position of the pole in which these movable and fixed contacts are closed, the said device D comprising a closure spring (2) controlled by an operating shaft (3), called the second shaft, the said spring (2) being capable of transmitting closure energy to the said shaft called the first shaft (1) after compression and passing of the said spring (2) beyond a neutral point line of passage, by means of a cam (8) rotated by the said shaft called the second shaft (3), and interacting with a roller (5) secured to the shaft called the first shaft (1), means (13) for holding the control shaft called the first shaft in the closed position, and means (18, 5) for unlocking the aforementioned ho

Abstract: A mobile terminal having a terminal body, a circuit board located in the terminal body, the circuit board including a plurality of switches located thereon and an input device is provided. The input device is configured to input a control command and is installed at the terminal body.