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| Number | Title | Issue Date |
| 8139345 | Motor operator for switchgear for mains power distribution systems A power operator for switchgear (1) for mains power distribution systems, where the switchgear comprises a closed cabinet (5) with an operating shaft protruding there from. The operating shaft is rotable at least between two positions and has a couplin... | 03/20/2012 |
| 7440259 | Closure device for a withdrawable rack A closure device for a withdrawable rack adapted for receiving power circuit breaker includes a plate arrangement having at least two plates provided with openings and movable relative to one another so that the plate arrangement is changeable between an open positi... | 10/21/2008 |
| 7149557 | Mobile communication device having extendable display A mobile communication device includes a display assembly that may be extended from the housing of the mobile communication device to provide a larger display surface for displaying information to a user of the mobile communication device. The display assembly is mo... | 12/12/2006 |
| 7123485 | Techniques for moving a power supply within an electronic cabinet An electronic cabinet includes a base, and an electronic cabinet frame which extends vertically from the base. The electronic cabinet frame is configured to support electronic circuitry. The electronic cabinet further includes a power supply positioning assembly hav... | 10/17/2006 |
| 7095113 | Semiconductor device with interlocking clip A semiconductor device is provided having a single-piece clip that interlocks into a lead frame using one or more forks on the clip that mate with one or more corresponding slots in the lead frame. A semiconductor die is mounted to a pad of the lead frame and the cl... | 08/22/2006 |
| 7019228 | Method for controlling a displaceable electrical switching module The invention relates to a method for controlling an electrical switching module which can be displaced between an entry position and an exit position. The switching module comprises switching contacts of vacuum switching tubes; an isolating element which can be als... | 03/28/2006 |
| 6898074 | Buckling-up structure for battery lid of electronic device A buckling-up structure for latching a battery lid (3) to a casing (2) of a PDA is disclosed. The battery lid (3) is used for covering a battery accommodation groove (5). The structure comprises a latching lock (9) forming a plural... | 05/24/2005 |
| 6661656 | Computer system and enclosure thereof An enclosure includes a base having an interior portion defined by a first side panel and a second side panel and a frame joined to the first side panel and the second side panel such that the frame extends across the interior portion the base. A computer... | 12/09/2003 |
| 6643122 | Battery servicing system with bridging protection For use with a rack for supporting a first battery having first terminals and a second battery having second terminals, an interlock kit comprising a partition mount and a partition. The partition mount is couplable to the rack proximate the first battery... | 11/04/2003 |
| 6621689 | Interlock arrangement for an electrical panel having parallel center-mounted and auxiliary main breakers An interlock assembly for an electrical panel which includes a primary switch arrangement interconnected with a primary power source, and an auxiliary switch arrangement interconnected with an auxiliary power source for supplying power to the electrical p... | 09/16/2003 |
| 6545859 | Automatically operating interlock assembly for electrical cabinets An automatically operating interlock device prevents access to the interior of an electrical cabinet when the device within the cabinet is electrically connected with a power supply. The interlock device is particularly suited for arc resistant circuit br... | 04/08/2003 |
| 6433999 | Bus connection access panel An access panel located in a motor control center for inspecting and accessing various bus connections, for example, a particular phase vertical to horizontal bus connection or a horizontal bus bar splice connection. The surface of the panel includes one ... | 08/13/2002 |
| 6388868 | Automatically operating interlock assembly requiring an electrical cabinet to be closed before connection of the equipment therein An automatically operating interlock prevents connection of an electrical device within a cabinet unless the cabinet door is closed. The interlock is particularly useful for circuit breakers contained within arc-resistant cabinets. The interlock includes ... | 05/14/2002 |
| 6222597 | Liquid crystal device and electronic apparatus therewith A liquid crystal device is provided having a structure which allows an conductive connection to be achieved using only a panel supporting member, without necessitating an additional component such as a cover, thus reducing cost. The liquid crystal device ... | 04/24/2001 |
| 6160487 | Single lockout mechanism for a multiple battery compartment that is particularly suited for smoke and carbon monoxide detector apparatus A single battery lockout mechanism for a multiple battery compartment in an electrical unit, preferably a smoke detector or a carbon monoxide detector. The lockout mechanism prevents the battery compartment from being enclosed when fewer than all batterie... | 12/12/2000 |
| 6038125 | Electronic device with interlocking feature for mounting a removable electronic package The electronic device comprises a casing, an insertion port through which an electronic package is inserted in the casing, a power input inlet which is provided in the casing for connection to a power input cord, and a protection member capable of moving ... | 03/14/2000 |
| 6002579 | Switchgear unit A switchgear unit comprising two switching devices (1, 2) which are provided with a reversing combination, which switchgear unit is of simple design and allows easy assembly and disassembly by the customer. The reversing combination comprises an assembly ... | 12/14/1999 |
| 5963420 | Interlock bypass An electrical apparatus housing having a door for accessing the apparatus within the interior of the housing and a switch for activating the apparatus accessible from the exterior of the housing. When in the on position, the switch is operable to block th... | 10/05/1999 |
| 5892298 | Control circuit for selectively providing electrical energy to an electrically controlled lock actuator A circuit which includes a primary power source, a reserve power source, switch means, a first diode, a second diode, and processing means selectively provide power to each of the lock actuator and the processing means from either the primary power source... | 04/06/1999 |
| 5829997 | Connecting apparatus A connecting apparatus which permits the connection of a connector unit (9) to a connector of external equipment (2) by the actuation of an operating lever (11) only when the external equipment (2) is placed in a mounting recess (6), whereas when no exter... | 11/03/1998 |
| 5642256 | Interlock mechanism for a motor control unit An interlock mechanism in a motor control unit is provided for preventing the motor control unit from being engaged with current carrying bus bars within an enclosure when a handle disposed on the motor control unit is in an ON position, the handle contro... | 06/24/1997 |
| 5581133 | Combination transfer and bypass isolation switch utilizing drawout protective devices and key interlocks An apparatus selectively connects a normal power line and an emergency power line to a load, and includes two interlocked switching mechanisms, each having individual interlocks, for selectively connecting the power lines to the load, and an interlock mec... | 12/03/1996 |
| 5578804 | Metal-enclosed gas-insulated switching installation A metal-enclosed, gas-insulated switching installation includes at least two busbar systems and a circuit breaker. Each circuit breaker is in the form of a pole having a pole axis and at least one extinction chamber, installed in a pole housing. The pole ... | 11/26/1996 |
| 5424910 | Lever assembly for a control device The present invention provides a lever assembly for reversibly inserting a control device into a cell of a center for controlling electrical service. The center has electrical terminals and a post extending perpendicularly into the cell and the control de... | 06/13/1995 |
| 5418404 | Data processing device and plug-in package In a data processing device, when exchanging a plug-in package with another without breaking the power to be supplied to the data processing device, a package removing lever is equipped with a locking piece. The lever does not move and the package hence c... | 05/23/1995 |
| 5343009 | Data processing device and plug-in package In a data processing device, when exchanging a plug-in package with another without breaking off the power to be supplied to the data processing device, a package removing lever is equipped with a locking piece. The lever does not move and the package hen... | 08/30/1994 |
| 5164883 | Contactor interlock A contactor interlock assembly operable with a racking arrangement for engaging and disengaging a contactor unit with a bus bar arrangement disposed relative to a contactor unit support structure. The contactor interlock assembly includes an arrangement f... | 11/17/1992 |
| 5164695 | Interlocked contactor assembly The interlocked contactor includes an interlock mechanism which selectively prevents closure of contactor contacts before a preselected number of operations of the contactor. An armature actuator is connected to the armature to cause a slider bar portion ... | 11/17/1992 |
| 5097382 | Circuit device racking mechanism A racking mechanism for a fused circuit breaker includes a drive assembly that is removable as a unit from the breaker and fuse truck. A modular assembly includes a drive unit having a drive shaft and a travelling nut and yoke for rotating a pair of lever... | 03/17/1992 |
| 4982310 | Switchgear enclosure with improved electronic control access door and lock A switchgear apparatus comprising a switch mechanism, electrical controls for the switch mechanism, a weatherproof door movable between a closed position and an open position for respectively preventing and affording access to the electrical controls, a h... | 01/01/1991 |
| 4914549 | Circuit breaker movement mechanism A mechanism for moving and supporting a circuit breaker relative to a bus bar arrangement such that the circuit breaker can be engaged and disengaged from the bus bar arrangement. The mechanism functions to engage and disengage the circuit breaker while a... | 04/03/1990 |
| 4860161 | Enclosed switchboard An enclosed switchboard has a contact frame fitted with contacts which can move relative to a unit frame having with a circuit breaker, a molded case circuir breaker, an electromagnetic switch, an auxiliary relay, a fuse, an earth fault relay, and a timer... | 08/22/1989 |
| 4769739 | Electrical switching apparatus enclosure having a controlled opening door for gas venting A handle operated door latching mechanism for moving upper and lower latch members into and out of engagement with a latching surface of an enclosure which becomes distorted by internal gas pressure to pull the latch members away from the latching surface... | 09/06/1988 |
| 4652769 | Module power supply A multisource power supply for supplying a plurality of various power levels from a common AC source, including a plurality of switchable power source modules, a power line conditioner PLC including a high voltage switching supply and logic level supply c... | 03/24/1987 |
| 4527217 | Instrument protective device The disclosure generally relates to a protective device for an electronic instrument wherein input and output lines to and from the instrument are always isolated from calibration input and output terminals. This is accomplished by placing reed switches o... | 07/02/1985 |
| 4489362 | Electric switchboard apparatus with a breaker-fuse interlock A switchgear unit contains interlocked circuit breaker and fuse compartments. The interlock prevents the fuses from being withdrawn from their power stabs until the circuit breaker is withdrawn from its power stabs first. A mechanical linkage arrangement ... | 12/18/1984 |
| 4482936 | Drawer type enclosed switchboard with automatic grounding device In a drawer type enclosed switchboard in which equipment constituting a main circuit are built and which includes an inner truck device for connecting or disconnecting the main circuit through its horizontal movement, and an outer truck device supporting ... | 11/13/1984 |
| 4317160 | Electrical switchboard having improved drawout apparatus An electrical device is supported on rails for racking movement between disengaged and engaged positions through an intermediate test position. The device mounts a single lead screw centrally located between the rearwardly extending device line and load t... | 02/23/1982 |
| 4300110 | Trip interlock for static trip circuit breakers A static trip unit is comprised of a current transformer module and an electronic programmer module physically and electrically mated together for incorporation in a molded case industrial circuit breaker. Current transformer modules and programmer module... | 11/10/1981 |
| 4236189 | Enclosed switchboard In an enclosed switchboard in which a circuit breaker in a cubicle is drawn out from or pushed in toward a disconnecting switch, a controlling circuit housed in the cubicle for supplying a signal to the driving device of the circuit breaker and for transm... | 11/25/1980 |
