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| Number | Title | Issue Date |
| 7289309 | Isolation apparatus The apparatus is intended for disconnection of a live electrical conductor and has an enclosure (3) and two power connections (1, 2) which are passed out of the enclosure (3). A conductor section (7) which connects the two power connectio... | 10/30/2007 |
| 7012498 | Fuse holder for a plurality of fuses A fuse holder assembly (1) is provided having at least two electrically insulated fuse housings in the form of passages (5, 33) associated with the body and each of which is adapted to receive a fuse (6) held under tension therein by means of an... | 03/14/2006 |
| 6922132 | Fuse cutout with improved dropout performance An improved fuse cutout is provided of the type having a fuse tube assembly that moves to a dropout position upon operation in response to a fault current or other overcurrent. These types of fuse cutouts include the pivotal mounting of the fuse tube assembly with r... | 07/26/2005 |
| 6583708 | Fuse cutout with integrated link break lever and fuse link ejector A fuse cutout for connection to a power source, includes a mounting having upper and lower support members extending from opposing ends of the mounting. A holder member is fixedly attached to the lower support member of the mounting and a pivot member is ... | 06/24/2003 |
| 6518871 | Fuseholder remover A hot stick switch head for a lineman's tool for safely and expeditiously removing and installing fuseholders having a tubular body and a mounting assembly from an overhead mounting comprising a base member having a downwardly depending attachment device ... | 02/11/2003 |
| 6462639 | Fuse cutout with dome top contact and knurled fuseholder cap A fuse cutout for connection to a power source includes a mounting having upper and lower support members extending from opposing ends of the mounting. The upper support member includes a first contact having opposing first and second end portions, with t... | 10/08/2002 |
| 6448881 | Manually operated actuating device and method An actuating device (22) operated by a hookstick (12) is attached to a manually operated fused cutout switch (10) or a oil circuit recloser switch (22). The device (22) is readily clamped to a ring (14) of the switch with a locking member (30) and a canti... | 09/10/2002 |
| 6211768 | Non-venting cutout mounted fuse A non-venting current limiting fuse for mounting in a cutout comprises a high current fuse component and a low current fuse component housed in separate compartments of a housing and connected in series. Interruption of a low current overload results in o... | 04/03/2001 |
| 6198184 | Brushless motor In order to protect a brushless motor, heat generated at a switching device, in response to an abnormality, activates a protection device. The protection device includes a connecting line communicating between a source supply line and the switching device... | 03/06/2001 |
| 5936506 | Delay mechanism for retarding relative movement between two members A delay mechanism for retarding relative movement between two members has particular application in a hinge assembly for a dropout fuseholder. In one embodiment, a pin member rotatably connecting two adjacent members is disposed through a sleeve which has... | 08/10/1999 |
| 5854582 | Pivotal latching mechanism with interengageable latch arm and catch in a sectionalizer assembly A sectionalizer assembly includes a mounting structure having upper and lower electrical contacts, a sectionalizer tube, an actuating member mounted to the tube and movable from a non-actuated to an actuated position, and a pivotal latching mechanism havi... | 12/29/1998 |
| 5805046 | Current responsive latching apparatus for disconnecting and isolating an electrical device A current responsive latching apparatus may be employed in a dropout fuseholder or other electrical component for retaining the component in a current-carrying position and disconnecting and isolating the electrical component upon the occurrence of an ove... | 09/08/1998 |
| 5796326 | Fuse assembly with a rotatable carrier for holding a plurality of fuses A fuse holder which has a plurality of fuses to be automatically and sequentially connected into an electrical network on failure of an operatively positioned fuse so that transient current surges can be prevented from damaging equipment in the network an... | 08/18/1998 |
| 5760673 | Current limiting fuse and dropout fuseholder A current-limiting dropout fuseholder includes multiple current paths through the fuse body. A primary current path includes a high current fusible element. A secondary current path in parallel with the primary path includes a triggering conductor that ex... | 06/02/1998 |
| 5612661 | Resettable internal actuating mechanism for use with an electronic sectionalizer A resettable internal actuating mechanism, used in an electronic sectionalizer having a tube assembly movable between a closed position and an open position, includes a latching element of an electro-mechanical component mounted in the tube assembly and b... | 03/18/1997 |
| 5289154 | Fuse cutout assembly and method A fuse cutout assembly (21) including a containment housing (22), a fuse (23), a mounting assembly (24) mounting the fuse (23) in the housing (22) for electrical connection to an electrical circuit. A plunger assembly (29) is movably mounted at least part... | 02/22/1994 |
| 5172090 | Electronic line sectionalizer with resettable actuator This sectionalizer comprises a movable current-carrying member carrying a first contact that is engageable with a second contact when the sectionalizer is closed. Overcenter toggle means holds the current-carrying member in its closed position when the to... | 12/15/1992 |
| 5128648 | Line cutout for electrical distribution system An in-line cutout comprises an elongated insulator having high tensile strength to support a length of cable between poles. Electrically conductive caps are secured to the ends of the insulator, and a fusible link is connected between the caps. One cap is... | 07/07/1992 |
| 4947148 | Electrical cut-off device A horizontally mounted electrical cut-out device is provided. The device includes an insulator electrically isolating a pair of terminals and a fuse assembly comprising a fuse carrier housing a fuse element removably connected between the terminals. The f... | 08/07/1990 |
| 4935715 | Sectionalizer with externally mounted electronic controller An electronic sectionalizer includes mounting structure including first and second electrical contacts spaced from one another and electrically conductive structure having an external surface and provided with first and second electrical terminals adapted... | 06/19/1990 |
| 4795996 | Electronic sectionalizer with resettable actuator An electronic sectionalizer for a branch line of a high voltage power distribution system has a resettable actuator for unlatching a trunnion member and release of a sectionalizer tube toward a disabled or drop-out orientation. The actuator includes an el... | 01/03/1989 |
| 4768010 | Latch and pivot mechanism for electronic sectionalizer mounting structure A pivot mechanism for drop-out of an electronic sectionalizer tube from an upper contact of mounting structure is arranged so that substantially the entire force released by an actuator fired by a sectionalizer logic circuit immediately causes the tube to... | 08/30/1988 |
| 4636764 | Automatic sectionalizer An automatic sectionalizer for a power transmission line in which the actuator (8) operatively engages the tube (1) directly to cause it to move towards an isolating position.... | 01/13/1987 |
| 4414527 | Contact assembly for a fuse cutout An improved cutout which accepts a fuse tube of standard length, which is less costly to manufacture and which exhibits improved performance, has an offset, rather than a straight, recoil bar. The offset positions the end of the recoil bar closer to the s... | 11/08/1983 |
| 4268811 | Circuit interrupting device A circuit interrupting device is disclosed. A stationary contact is mounted within a stationary hollow insulator and connected to one side of an electrical circuit. A movable contact normally engages the stationary contact and is mounted for movement with... | 05/19/1981 |
| 4184138 | Offset, series connected current limiting fuse and expulsion fuseholder assembly for opengate cutout A combination dropout assembly adapted for use with protective cutouts in an electrical distribution system comprises a current limiting fuse electrically connected in series with an explusion-type fuse, and mechanically coupled in skewed relation to the ... | 01/15/1980 |
