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7588216 |
Fiber optic cabling management using hook and loop fabric
An apparatus and method for cable management via hook and loop type materials are provided. The apparatus includes a substrate and a tie wrap. In at least one embodiment, the substrate is coupled...
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7558052 |
Electrical cabinet assembly and seal assembly therefor
A seal assembly for an electrical enclosure having a draw-out circuit breaker and a number of conductors is provided having a movable first seal member and a movable second seal member. The circuit...
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7544908 |
Circuit breaker cradle with an interlock system and a method of using the same
A cradle and a method for adapting a circuit breaker for mounting in a switchgear cabinet having a bus bar system. The cradle includes a frame to which a racking apparatus and a locking apparatus...
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7492575 |
Slip-over distribution cabinet
The invention relates to a distribution cabinet which is usually set up outdoors and accommodates the technical, for example electrical or optical, distribution installations for, for example,...
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7486499 |
Electrical switching apparatus and securing mechanism therefor
A securing mechanism is provided for an electrical switching apparatus, such as a circuit breaker, which is movable into and out of an installed position within a switchgear enclosure. The securing...
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7236352 |
Arc resistant switchgear having dedicated vertical plenums
An arc resistant switchgear assembly is provided having a front wall, a rear wall, a bottom surface, an upper surface, a first side wall, and a second side wall opposed to the first side wall and...
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7075021 |
Multiple-hole terminal lug, bussing assembly and electrical switching apparatus including the same
A multiple-hole terminal lug is for a circuit breaker including a load terminal and a conductive terminal extension coupled thereto. The multiple-hole terminal lug includes a mounting portion and a...
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7053321 |
Apparatus operating an isolation switch in coordination with a circuit breaker
The movable conductors of a three phase isolation switch are incorporated into the electrically insulative molded shaft, thereby mechanically supporting them and isolating them from the metal axle...
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6501020 |
Electrical equipment and cable support assembly
A cable management appraratus for routing at least one cable from a first location to a second location in an electrical equipment support system. The cable management apparatus includes a flexible...
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6424519 |
Plug-in draw out unit
A draw out unit with improved drawout box and handle assembly is disclosed. The drawout box is designed to accommodate an improved terminal assembly of the present invention, which reduces the...
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6388867 |
Flexible seal for circuit breaker arc gas exhaust system
A seal apparatus having a seal member and a plurality of fasteners is mounted on an arc hood of a cassette in a switchgear cabinet and resists leakage of arc gases through a gap between the arc...
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6373686 |
Key protection structure for an electronic apparatus
An object is to provide a key protection structure for an electronic apparatus which can prevent a preset value of a switch from being intentionally changed by the user or the like. When setting...
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6301094 |
Drawout unit and load/line terminal assembly
A drawout unit is dimensioned to make more efficient use of the space within the drawout unit. Devices within the drawout unit are positioned in a generally vertical configuration. A bus brace...
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6265678 |
Circuit breaker movement system with over-travel protection
A mechanism is provided for moving a circuit breaker (12) with respect to a circuit breaker connecting apparatus (14) so as to connect or disconnect the circuit breaker from the circuit breaker...
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6191947 |
Electronic trip unit and mounting method
An electronic trip unit is adapted for connection to a circuit breaker for circuit interruptions. The electronic trip unit includes a frame module shaped to define a recess. An electronics module...
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6169653 |
Latch and locate cradle
An apparatus for providing precise alignment between primary and secondary contacts mounted on a circuit breaker and associated stationary primary and secondary contacts located with substantial...
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6137684 |
Camming mechanism for joining modular electronic enclosures
An electronic enclosure assembly having a logic chassis, a forward extension member attached to one end of the logic chassis wherein each side of the forward extension member has side pieces, each...
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6069787 |
Switchgear with integral pry slot and a planar base
An enclosure for electrical switching apparatus has a base formed by a planar member which extends horizontally to support the enclosure on a support surface. The planar member is generally...
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6025989 |
Modular node assembly for rack mounted multiprocessor computer
A modular node assembly for a rack mounted multiprocessor computer in which the node assembly has a logic chassis and a removable chassis. The logic chassis contains logic cards including memory...
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5912444 |
Switch racking mechanism with interlock
A device for affecting a traveling system of a switching device, which blocks the traveling system to prevent its operation when a door of a switchboard cell is opened. The device includes a...
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5852543 |
Guide rail set for electrical components of electrical devices guided in guide rails
For a fast and simple mounting and unmounting of guide rails for electrical components of electrical devices in guide rails, the guide rail set is provided, which is engaged in the frame parts by...
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5837950 |
Drawer type circuit breaker with drawer contacts biased against contact arcuate portions and external connection terminals
In a drawer type circuit breaker of the invention, when a first contact is clockwise pivoted by a switching mechanism, the contact tip of the first contact and the contact tip of a second contact...
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5757260 |
Medium voltage switchgear with means for changing fuses
Fuses for the potential transformers (PTs) in medium voltage switchgear are mounted in fuse assemblies which are reciprocated within the switchgear enclosure independently of the transformers they...
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5481075 |
Compact motor controller with an improved arrangement for disconnecting and withdrawing a drawout unit
A motor controller includes an isolation switch having a main power supply terminal and a first bolted pressure contact and a load receptacle having a second bolted pressure contact. The motor...
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5337210 |
Drawout type switch gear
In a drawout type switch gear, rotation of the lead screw (7) is locked automatically at the connected position and the test position of the drawout/push-in unit (R), symbols or marks for...
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5335140 |
Drawer-type circuit interrupter
A drawer-type circuit interrupter is constructed with a first contact member having an open-and-close contact member, an open-and-close operation mechanism for operating said first contact member,...
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5295041 |
Modular construction distribution switchboard system cubicles with draw-out and fixed apparatus mounting flexibility
A distribution switchboard cubicle has upper and lower ring channels; left and right corner posts attached to the ring channels for forming a support skeleton for a front face of the cubicle; and...
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5278722 |
Switchgear racking mechanism including self-retaining crank and draw-out unit position indicator
A racking mechanism (30) for switchgear cubicle (20) draw-out units (24) including a base (39); and a drive screw assembly (44) attached to the base (39) including a screw block (36) translated by...
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4984131 |
Electrical disconnect method and apparatus
A disconnect apparatus by which a cryogenic inductor can be both thermally and electrically isolated from a workload and a generator. The disconnect apparatus includes an input disconnect and an...
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4845591 |
Device for holding an electronic equipment housing on a tray
A device for holding an electronic equipment housing (1) on a tray (10) comprising a bottom (11), a vertical backplate (12) provided with the male portion (15) of a connector, and two side flanks...
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4839477 |
Controller having interchangeable vacuum or air break contactors and having easily serviced parts
The inventions solves the problem of convenient mounting of parts of controllers, and solves the problem of interchangeability of vacuum and air break contactors within a controller. A controller...
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4831489 |
Control unit withdrawing mechanism for swichgears
The disclosure relates to a control unit withdrawing mechanism for metal-clad switchgears in which control units each including power load controlling equipments are withdrawably enclosed in unit...
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4823231 |
Current tapping device disconnectable from an omnibus bar distribution column
A disconnectable current tapping device is provided having clips engageable on onmibus bars and disengageable therefrom by translation of a clip carrying slide controlled by a rotary shaft, which...
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4789919 |
Advanceable and retractable plug-on unit assembly for a motor control center
An assembly supporting a plug-on switch unit on a mounting pan pivotally supported within a unit enclosure of an electrical control center and movable between a first position in which the plug-on...
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4768131 |
Pull-out frame with a guide rail for electric switchgear
A pull-out frame for electric switchgear is provided in the vicinity of its side walls with bolts which serve as pivots or stops of guide rails which can be retrofitted. The guide rails are...
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4744001 |
Contact arrangement for insertable power switches
A contact arrangement for connecting an insertable power switch to a switching system having a fixed carrier for supporting the power switch, the fixed carrier and the power switch each having...
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4730231 |
Gas insulated metal-clad high voltage equipment with insulating bushing
A gas insulated metal-clad electrical power equipment has a cylindrical insulating bushing for supporting an electrical conductor. The bushing is filled with the insulating gas therein and...
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4668035 |
Distribution system and column for electric switching apparatus
A distribution system and column for electric switching apparatus is provided comprising a distribution column with bus bars and a protective case disposed about the bars, a plurality of supports...
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4621303 |
Control center with wedge and jaw connector for distributing electric power
A control center for distributing electric power characterized by a cabinet enclosing bus bars, a drawout stab assembly comprising a dielectric housing containing a clamping jaw for each bus bar,...
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4566054 |
Rack for mounting two electronic devices connectable to and disconnectable from each other
Electronic equipment rack having a first and a second mount to hold respectively a first and a second electronic device, characterized in that the connector of a connecting cord for the first...
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4531174 |
Draw-out circuit breaker with improved external connectors
An improved draw-out circuit breaker assembly for use in a switchboard with means for automatically tripping the breaker upon removal of the breaker from a fully engaged position within the...
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4491896 |
Draw-out circuit breaker
An improved draw-out circuit breaker assembly for use in a switchboard with means for automatically tripping the breaker upon removal of the breaker from a fully engaged position within the...
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4449296 |
Method of forming electric distribution panel
An electric distribution panel is constructed with an insulating base formed by extrusion. Also extruded with the base are two rows of circuit breaker mounting ledges, hook formations for each of...
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4448465 |
Electrical cable protector
A rack-mounted drawer for functioning electrical equipment has cables extending from the back thereof and downwardly behind the rack framework. When the drawer is opened or closed the extending...
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4292661 |
Power and control system arrangement for transport refrigeration unit
A transport refrigeration unit is provided with a control box 16 arrangement in which a hard-wired electrically passive assembly of receptacles 23, 24 and electrical terminal strips 25-27, and...
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4249227 |
Enclosed switchboard having instruments needed for regular inspection and operation mounted on a middle level door
An enclosed switchboard in which an upper chamber and a lower chamber are formed within a switchboard frame in the form of a box for accommodating electrical apparatus such as circuit breakers. At...
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4214291 |
Explosion-proof switchgear apparatus
An explosion-proof switchgear apparatus comprises an enclosure housing a carriage mounted on a guide and coupled by a pivot pin to a chassis which accommodates electric devices and the movable part...
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4202027 |
Circuit breaker drawout with engaged position latch
Drawout apparatus includes a carriage mounting a circuit breaker and supported on rails to facilitate racking screw induced movement of the breaker into and out of an electrically engaged position...
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4133994 |
Cell of low-voltage feed and distribution cellular switchboard
Cell of low-voltage feed and distribution cellular switchboard, characterized in that it comprises, superimposed one above the other, horizontal metallic casings enclosing switching devices and...
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4063305 |
Switchboard drawout apparatus incorporating joint clamping mechanism
Drawout apparatus includes a carriage mounting a circuit breaker and supported on telescoping rails to facilitate racking movement of the circuit breaker between extreme positions of electrical...
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