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Class 200/48KB - Knife blade


Subclass of Class 200 - Electricity: circuit makers and breakers
No. of patents: 38
Last issue date: 03/27/2007


NumberTitleIssue Date
7196279Regulator bypass switch assembly
A bypass blade is pivotably connected to the first terminal pad, and movable between open and closed positions. The bypass blade is electrically connected between the first and third terminal pads when in the closed position. A first disconnect blade is pivotally co...
03/27/2007
6946607Resistance assembly for hookstick operated switching assembly
A resistance assembly having a resistance member prevents accidental movement of a hookstick operated switching assembly. A switch assembly of the hookstick operated switching assembly is mounted on a base. The resistance member includes a lever connected to the swi...
09/20/2005
6936779Bypass recloser assembly
A bypass switch recloser assembly has a first switch assembly connected electrically in series to a second switch assembly. A bypass switch assembly is connected electrically in parallel to the first and second switch assemblies. A recloser assembly is connected ele...
08/30/2005
6713679Terminal pad for an insulator assembly
An insulator assembly includes first and second terminal pads having angularly oriented first and second portions. First openings in the first portions facilitates connecting to the first and second switch assemblies. Second openings in the second portions receives ...
03/30/2004
6525274Base assembly for an insulator assembly
An insulator assembly has a base assembly that is rigidly connected and is not prone to movement over time. A first support member has first and second ends with first and second pluralities of holes for receiving a first switch assembly. A second support...
02/25/2003
6031347Motor operator for a power line phase switch
A motor operator is configured to provide local and remote operation of a power line phase switch. The motor operator has its components individually enclosed in a component enclosure and further enclosed in a main enclosure, allowing isolation and protec...
02/29/2000
5874900Monitoring system and method for an overhead power line phase switch
In an overhead power line switch, critical switch adjustment dimensions, switch position, switch status and other switch parameters are sensed by a plurality of particularly placed sensors, allowing determination as to whether the switch has operated corr...
02/23/1999
5804930Motor operator for a power line phase switch
A motor operator is configured to provide local and remote operation of a power line phase switch. The motor operator has its components individually enclosed in a component enclosure and further enclosed in a main enclosure, allowing isolation and protec...
09/08/1998
5560474Electro/mechanical actuator for circuit disconnect/connect apparatus for overhead power lines
The apparatus includes contact blades at different elevations on a utility pole rotatable between electrical connection and disconnection positions vis-a-vis contact members. To rotate the contact blades, an electromechanical linear actuator extends a cle...
10/01/1996
5483030Group operated circuit disconnect apparatus for overhead electric power lines
A group operated switching apparatus for overhead electric power lines has a box-like elongated housing which mounts on a pole and supports three disconnect switches. Three operating shafts are journalled on the housing and are operatively connected to th...
01/09/1996
5228559Section switch that opens suddenly
A section switch has a pivoting blade connected to a first connector. The blade is provided with a contact hammer for engaging contact jaws connected to a second connector. The section switch includes a first contact finger fixed to a first spring and ele...
07/20/1993
5061833Compact disconnect switch having broadly variable current rating
Compact electrical power disconnect switch modularized to provide very broad current rating and comprising reverse-loop fingers which cooperate in pairs and form flexible spring-loaded contact members. An enlongated rotatable contact member is positioned ...
10/29/1991
4806716High voltage contact assembly
A multi-position contact for use in high voltage switchgear utilizes a multi-laminar electrical contact and a movable contact blade to maintain continuous electrical contact with a first circuit component and a switch blade assembly movable concomitantly ...
02/21/1989
4795869Contact assembly for high-voltage switch
A contact assembly is provided for a high-voltage switch. The contact assembly includes one or more contact members that cooperate with a contact element. The arrangement of the contact members is such that an interference fit results with the contact ele...
01/03/1989
4713500Electric bypass switch
An electric bypass switch for connecting and disconnecting an electric apparatus such as a voltage regulator with respect to a power system includes a pair of spaced insulators on each of which a pair of conductive terminals are mounted, one pair of termi...
12/15/1987
4707574Disconnect switch with latch
An electric disconnect switch having fixed and movable contacts includes a latch mounted for limited oscillating and sliding movement on the movable contact and operable by a manual operating member, a ramp fixedly mounted on the fixed contact and having ...
11/17/1987
4681990Electric by-pass switch
An electric switch of the by-pass type having a pair of main fixed contacts insulated from each other which cooperates with a pair of main movable contacts which are insulated from each other is provided with a by-pass switch for electrically connecting a...
07/21/1987
4649237Power line/transformer switch
A power line/transformer switch of the isolator type, with knife members for the respective phases disposed on a common, rotatable shaft of insulating material. The respective contacts for the knives are disposed on an opposing, fixed shaft composed of in...
03/10/1987
4622443Single-pole load disconnecting switch arrangement in a housing
An arrangement for mounting single-pole load-disconnecting switches in a middle voltage net includes a plurality of conventional, individually switchable load-disconnecting switches mounted on a single common base frame enclosed with a common housing. All...
11/11/1986
4484164Braidless movable contact with wiping action
A so-called blow-off type current limiting circuit breaker is provided with an elongated movable contact arm that is pivotally mounted at one end thereof on a pin that projects from opposite sides of a support. The contact arm is constructed of parallel s...
11/20/1984
4467161Switch apparatus
A high voltage multi-position type three phase electrical switch having stationary and movable contacts which are supported, respectively, on relatively fixed and movable contact supports internally of a switch casing. The contact supports are interchange...
08/21/1984
4379956Break-jaw construction for a disconnecting switch structure
An improved switch-jaw construction is provided for a disconnecting switch having a tie-rod assembly interconnecting the free ends of the confronting switch jaw contacts. The tie-rod assembly includes preferably a metallic tubular member having its outer ...
04/12/1983
4366353Anti-paralleling apparatus for high-voltage gear
Apparatus for preventing two switches from being simultaneously closed. A pair of rollers are each movable in, and between the ends of, respective curved tracks. The rollers are each linked to a respective switch so that when its switch is closed, each ro...
12/28/1982
4365129Modular section insulator switch
A modular section insulator switch having a unique base on which two feeder cable assemblies and at least two trolley line assemblies may be provided in combination with a switch assembly. In use, different sized feeder cable assemblies and switch assembl...
12/21/1982
4357505Power driven group operated circuit disconnect apparatus for overhead electric power line
A group operated circuit disconnect apparatus for overhead electric power lines has a base in the form of a box-like housing which mounts on a pole, an upright shaft extends through the housing, and a transverse shaft also extends through the housing. A l...
11/02/1982
4321436Electrical circuit interruptors
The disclosed circuit breaker includes a movable contact which enters the space between stationary contact jaws, the movable contact acting through a spring to bias a jaw-closing toggle toward erect condition, so that contacts on the contact jaws firmly g...
03/23/1982
4315122Contact arrangement
The present invention concerns a contact arrangement with a first contact and a second contact. The second contact has two contact members between which the first contact is received. A contact support resiliently supports one of the first and second cont...
02/09/1982
4308441Handle assembly for manual operation of electric switches
A manual operating handle assembly for an enclosed switch includes a walled frame which resides within the switch enclosure and rotatably mounts a shaft. A sprocket on the shaft turns therewith to move a chain coupled to another sprocket which operates th...
12/29/1981
4302646Electric switch and operating mechanism therefor
An electric switch of the snap-action type includes a pair of relatively movable contacts, an operating linkage interconnected with a movable one of the contacts for imparting operating movement thereto, a hollow tubular rotatable member interconnected wi...
11/24/1981
4296284Flexible shield for high voltage disconnect switch
A shielding arrangement for preventing the buildup of ice on the contacts of an outdoor high-voltage switch structure. The shield includes one or more flexible members which overlie the contacts and are in the path of the travel of a switch element....
10/20/1981
4263487Air switch
Load break air switch incorporating quick make and break mechanical operator that includes arming and load release levers rotatable about separate parallel axes. A pair of compression springs are connected in uni-directional force transmitting relation be...
04/21/1981
4139747High voltage switch with molded support base
A high voltage switch has a molded plastic support base which carries contact terminals at its opposite ends and on the front surface of the base. Switch contacts are connected to the terminals. The support base is hollow and its interior and exterior sur...
02/13/1979
4127753Hinge terminal mounting for electric circuit disconnect switch
An electric circuit disconnect switch has an improved hinge terminal mounting in which a rotatable blade has a hinge terminal end portion in which opposite faces are provided with sockets which are essentially hemispherical about a common axis, and a term...
11/28/1978
4110579Improved energy-storage operating mechanisms for circuit-interrupting structures utilizing serially-related disconnecting switch structures therewith
An improved operating mechanism of the energy-storage type is provided for circuit-interrupting structures, including an energy-storing means having the energy content therein increased by the movement of a movable member during the closing operation, and...
08/29/1978
4107487Interrupter switch arrangement
Disclosed is a switch suitable for use in power systems. The switch is of the vertical break type, having two stationary support insulators and one reciprocatory, insulative push rod, wherein movement of a switch blade takes place in a plane which also in...
08/15/1978
4095061Group operated circuit disconnect apparatus for overhead electric power lines
A group operated circuit disconnect apparatus for overhead electric power lines has a base in the form of a box-like housing which mounts on a pole, an upright shaft extends through the housing, and a transverse shaft also extends through the housing. A l...
06/13/1978
4078162Blade lock for electric switch
The invention provides an improved positive latch for high voltage, air break disconnect switches of the type having an elongated blade with one end swiveling on a terminal to switch its opposite end from the remote terminal, the blade being rotatable abo...
03/07/1978
3958089Anti-rotation device for power switch assembly
The disclosed device eliminates the undesired rotational movement of an installed in-line power switch of the type having a ribbed insulator through which an insulator rod is extended into metallic end fittings. The end fittings carry the electrodes or co...
05/18/1976
 
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