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JP2956256B2 |
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JPH11260179A |
To prevent the generation of an insulating film on a contact surface by mounting a grinding part on one or both contacts of the contact surfaces of the fixed and movable electrodes. A horizontal two point disconnector comprises the suppo...
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JP2951229B2 |
A manual switch has an electric contact movable into and out of simultaneous contact with the first and second conductors, an angularly movable operating member, with the electric contact fixedly mounted thereon, angularly movable to bri...
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JPH11252703A |
To provide a breaker device for electric vehicle which is able to contribute to the reduction in size of a junction box, and at the same time, can be easily incorporated in the junction box. In a case 11 of a breaker device 10, a pair of...
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JPH11250780A |
To provide a reliable circuit breaker capable of lowering lateral load generated when a closing resistance contact is closed, and simplifying the assembling work. In this circuit breaker, a contacting part (a third electrode) 5, which is...
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JP2948969B2 |
PURPOSE: To provide a long-life disconnecting switch having the ability to transmit a large amount of electricity in a short time. CONSTITUTION: First 1 and second 2 fixed finger contacts are spaced apart from and opposed to each other o...
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JP2948154B2 |
To continuously obtain the closed position, open position, disconnected position, and ground position in one action, improve operability, reduce the number of part items, and miniaturize a device by rotating a moving conductor between a ...
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JPH11232970A |
To minimize the difference between a case body internal air pressure and an outside air pressure, even if a difference is generated between an outside air temperature and a case body internal temperature by providing a regulation member,...
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JPH11224571A |
To easily release the chain lock of an interlock with a simple mechanical structure by setting the length of an elliptic hole so that only either one of both levers is ON-rotatable, and both links are protruded, when this lever is ON, to...
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JPH11224572A |
To shorten assembling work time without being affected by a manufacturing error and assembling accuracy of each part in a fixed electrode and a moving electrode. This device is equipped with a driving shaft 51, a fixed electrode 41, a mo...
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JPH11213821A |
To suppress the displacement produced between a nipping-side contact and a nipped-side contact to perform a stable contact by pressing a finger contact by the nipped-side contact in times of abnormality, and bringing the head part of a r...
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JP2929661B2 |
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JP2927123B2 |
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JPH11195356A |
To prevent dielectric breakdown caused by a hole edge part form of a bushing mounting hole provided on a casing of a high voltage switch, increase a breakdown voltage of the high voltage switch, and achieve miniaturization and cost reduc...
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JP2597635Y2 |
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JPH11176293A |
To provide an air breaker having a cutoff monitoring part which monitors the contact condition of two contacting pieces of the breaker and issues a protection signal if there is any failure in the contact condition of the contacting piec...
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JPH11176292A |
To make common auxiliary switchgears for interchangeability and lower the cost by installing an auxiliary switchgear in an electromotive operational apparatus capable of opening and closing a main switchgear by electric power and interlo...
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JPH11168807A |
To provide a programmer cover for preventing access to a breaker programmer device. This programmer cover 20 is constituted of a rectangular plate formed with a window 21, which permits viewing of the inside of a breaker cover 10 and inc...
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JPH11167846A |
To prevent melting loss accident due to contact separation by restricting the relative displacement of a pinching type contractor and a pinched type contactor in the up and down directions in an earthquake within a margin of the pinched ...
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JP2907906B2 |
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JPH11164429A |
To obtain a compact disconnector with a high reliability grounding device and superior performance with respect to the environment, without the use of SF gas as an insulating medium for disconnector or grounding device in a power receivi...
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JP2596316Y2 |
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JP2596428Y2 |
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JPH11149840A |
To provide an electrode for a switch capable of improving the reliability without the rise of grease in a current-carrying slide part. In a switch equipped with a fixed electrode 13 and a movable electrode 18 which connectably and discon...
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JPH11134975A |
To eliminate a complicated operation transmitting mechanism and miniaturize a display apparatus by displaying the operation situation by transmitting the rotating operation of a movable body to a remotely installed display as rotating op...
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JP2888585B2 |
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JPH11120886A |
To lower the elastic bent variable of a spring member for preventing incomplete connection in a state of an electrode connecting. A tensile coil spring (spring member) 35 is integrally moved extending while shrinking with a movable elect...
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JPH11120870A |
To provide a horizontal two-point circuit disconnecting unit, which can reduce the rotating force of a rotary insulator and which can reduce the transmission of impact to a support insulator. Blades 9, 9a are fitted to a blade support 12...
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JP2594293Y2 |
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JPH11113119A |
To facilitate bus connection between fixed electrodes of a plurality of phases, by taking out one of leader buses connected to fixed electrodes of a plurality of phases from one side and the remaining leader buses from one side of juncti...
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JPH11113118A |
To shorten a current path substantially and to decrease the electric resistance, by supplying power to a load side from a movable electrode through a fixed electrode and a flexible conductor. A fixed electrode 5 is connected to a power-s...
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JPH11113114A |
To lighten stress concentration at both ends of a bellows, and to prolong its life without increasing the size of the bellows, by making the spring constant of the central part in the direction of expansion and contraction of the bellows...
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JPH11113117A |
To shorten a current path substantially and to suppress the power loss and heat generation, by supplying power to a load side from a movable electrode through a fixed electrode and a flexible conductor. A tip of a movable electrode 7 and...
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JPH11103510A |
To reduce the size of a disconnector used for a gas-insulated switchgear. This disconnector is provided with a stationary contact 3 to be fixed in the container 1 of a gas-insulated switchgear, a supporting conductor 6 supported while be...
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JP2881848B2 |
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JP2593273Y2 |
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JP2592850Y2 |
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JP2875293B2 |
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JPH1189026A |
To reduce a distance for connecting a movable electrode to a fixed electrode to a cable head on power supply and load side for minimum power loss and generated heat and size reduction, by disposing the fixed electrode connected and disco...
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JPH1189027A |
To reduce a distance for connecting a movable electrode to a fixed electrode to a cable head on power supply and load side for minimum power loss, and to reduce generated heat and size reduction, by fitting the movable electrode which is...
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JPH1189024A |
To attain size reduction in an operating mechanism part, a vacuum switch gear, and a vacuum grounded container, by fitting a movable electrode which connects and disconnects a fixed electrode and a grounded apparatus to/from each other t...
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JPH1186687A |
To lessen the degree of elastic warpages of a spring member for preventing incomplete connection in a state in which electrodes are connected. When a lever which is pulled down to the right side is pulled down to the left side, a movable...
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JP2592674Y2 |
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JP2592680Y2 |
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JP2592797Y2 |
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JP2870739B2 |
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JP2591923Y2 |
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JP2591914Y2 |
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JP2869602B2 |
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JP2591924Y2 |
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