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| Number | Title | Issue Date |
| 7561412 | System and method for automatically securing a motor control center A system, in one embodiment, includes a power distribution center having an enclosure with an access door configured to move between a closed position and an open position. The system also includes a monitoring system configured to monitor operational parameters ins... | 07/14/2009 |
| 7358855 | Local area warning system (laws) The present invention provides a local area warning system that is designed to alert the public of severe weather and technological alerts. The apparatus consists of red, amber, and blue warning lights and audio speakers that warn the public of the severe conditions... | 04/15/2008 |
| 7352357 | Data processing apparatus A data processing apparatus includes a main body, a cover unit having a display such as an LCD, and a detecting mechanism for detecting the opening and closing of the cover unit in relation to the main body. The detecting mechanism includes a cam mounted coaxially t... | 04/01/2008 |
| 7340311 | Electrical panel access and control apparatus including true emergency stop and power buss lockout An improved electrical panel design provides a modular, power-reliable, buss-lockout and true emergency-stop capabilities. Through the use of an interface, the approach eliminates numerous outdated, if not antiquated, parts, including safety locks, mechanical discon... | 03/04/2008 |
| 7319199 | Fusible electric slide switch A fusible electric slide switch. A fuse carrier is slidably mounted to a base, and has a pair of recesses holding fuses. A cover captures the fuse carrier between itself and the base, and has a pair of through slots aligning with the pair of recesses when the fuse c... | 01/15/2008 |
| 7072699 | Sliding cover An electronic device with a body having a first side, a second side a distance from the first side, and a third side between the first and second side. Portions define a space extending from the first side to the second side across the third side. A sliding cover ca... | 07/04/2006 |
| 6944774 | Data flow control unit An apparatus and method for regulating a flow of information based on a position of a key in a lock assembly is presented. Depending on a position of the key in the lock assembly and data flow rules, an electronic circuit regulates a flow of data to a target network... | 09/13/2005 |
| 6906698 | Data processing apparatus A data processing apparatus includes a main body, a cover unit having a display such as an LCD, and a detecting mechanism for detecting the opening and closing of the cover unit in relation to the main body. The detecting mechanism includes a cam mounted coaxially t... | 06/14/2005 |
| 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 |
| 6825441 | Power supply apparatus A power supply apparatus has a case (94) with a control panel (96) mounted thereon. Plural controllers are disposed on the panel (96). A cover (98) is mounted to cover and uncover the panel (96). One (66) of the controllers ... | 11/30/2004 |
| 6512669 | Medium voltage motor control center instrument compartment A medium voltage controller for electrical equipment, such as motors, transformers, reactors, and capacitors, having an arc resistant cabinet, swaged internal electrical connections, a one-piece self-aligning withdrawable finger cluster, a pull-out instru... | 01/28/2003 |
| 6452810 | Sliding barrier for an electrical enclosure A sliding barrier for an electrical enclosure for selectively providing or prohibiting access to electrical conductors behind the barrier. The barrier includes upper and lower tracks and two substantially identically configured slidable panels. The panels... | 09/17/2002 |
| 6446716 | Working enclosure provided with means for recycling the atmosphere A working enclosure includes a working chamber whose walls delimit a confinement space for working in and an exterior branch loop for recycling the atmosphere of the confinement space. The branch loop opens at each end into the confinement space and inclu... | 09/10/2002 |
| 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 |
| 6239966 | Two-part lockable housing A housing, in particular for electric switchgear and control gear, includes a first housing part and a second housing part to be detachably attached to the former. The housing also includes a lock whose at least one blocking element is movable in a displa... | 05/29/2001 |
| 6229707 | Calamity-proof electrical equipment cabinet door systems Electrical equipment is housed in a cabinet and is protected against hurricane-force calamities by covering the electrical equipment with an inner door system inside the cabinet, and by closing an opening of the cabinet with an environmental door system, ... | 05/08/2001 |
| 6172876 | Modular I/O assembly system A unique cabinet mounted I/O assembly adapted for integration into a control system which allows a block I/O assembly to be mounted in both sides of the cabinet allowing a blind fit of power and signal connections insuring that power will be provided to t... | 01/09/2001 |
| 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 |
| 6157540 | Screwless front loading hard drive bracket A bracket support includes a chassis and a bracket movably mounted in the chassis. A locking tab is mounted on the bracket and is movable between an engaged position with the chassis and a released position with the chassis. A door is mounted on a surface... | 12/05/2000 |
| 6121889 | In-wall electronic timer An in-wall mounted electric timer comprising a housing for mounting in an electric box in a wall. The electric timer comprises a user interface on the housing. The user-interface comprises an input panel and a display. The electric timer further includes ... | 09/19/2000 |
| 6081419 | Protection device for an electronic instrument and method A protection device for an electronic instrument having a power supply, a power cord for attachment to the power supply, and an interlock member being movable between a first position preventing attachment of the power cord to the power supply, and a seco... | 06/27/2000 |
| 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 |
| 5986211 | Viewing window construction for a disconnect switch An improved viewing window construction for an electrical disconnect switch 10. The improved construction of the viewing window 70 permits easier installation of the viewing window 70 while at the same time reducing the complexity of the switch cover manu... | 11/16/1999 |
| 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 |
| 5905244 | Arc resistant metal-clad switchgear Upper and lower compartments are provided in metal-clad switchgear that are mirror images of each other. The compartments have doors that move toward one another to lock. The upper compartment has rails at the bottom for receiving a fuse truck, and the lo... | 05/18/1999 |
| 5877703 | Utility meter transmitter assembly for subsurface installations An improved assembly (10) for housing electronics for remote reading of meter reading data in a subsurface enclosure (11) includes a first inner enclosure (40) of metal for housing the receiver/transmitter circuitry (90), a second inner enclosure (69, 86)... | 03/02/1999 |
| 5663862 | Enclosure for a circuit breaker An enclosure for a circuit breaker includes a housing sized to support at least one circuit breaker and to permit electrical connections to be made to the circuit breaker. A housing cover or lid is movable between an open position in which the circuit bre... | 09/02/1997 |
| 5608612 | Electronic device having a fail-safe system for memory backup An electronic device using an operation battery and a memory backup battery includes a device body and a memory backup battery removal preventing mechanism. The device body includes a first accommodating portion for accommodating therein the operation bat... | 03/04/1997 |
| 5574625 | Portable information processing apparatus having multiple rotatable port covers A portable information processing apparatus includes a housing storing electronic components. The housing includes first to third card storage portions having insertion ports open to one side surface of the housing, respectively, for card-like electronic ... | 11/12/1996 |
| 5535096 | Safety lock-out device for electrical appliances A safety lock-out device prevents the insertion of an electrical power cord into an electrical power cord receptacle of an electrical appliance. The devise comprises a mounting plate fastened to the appliance and a cover plate hingedly attached to the app... | 07/09/1996 |
| 5495388 | Disconnectable switch The switch cabinet (50) exhibits a housing, which is provided with a door and which includes a box-shaped switch (1). The switch (1) can be brought by a pushing movement inside the switch cabinet (50) into a connected position or into a disconnected posit... | 02/27/1996 |
| 5424911 | Compact motor controller assembly High voltage motor contactors and associated equipment are arranged within upper and lower compartments that are interlocked with the external operator handle to prevent access when the contactors are electrically energized. Low voltage devices used in as... | 06/13/1995 |
| 5424500 | Door-mounted operating mechanism for electrical switchgear The present invention is for use with high-tension electrical switchgear enclosed within a cabinet. The output shaft of a spring operating mechanism mounted on the exterior of the main safety door extends through the door and is connected to a bell crank.... | 06/13/1995 |
| 5410112 | Safety interlock for overhead projector A safety interlock for an overhead projector utilizes only one electrical switch to provide the functions of both a conventional power switch and a safety interlock switch. In an operational mode, the switch responds to a cam surface for actuation. In a s... | 04/25/1995 |
| 5406449 | Pullout type electric disconnect switch A rigid insulating shield has tabs at a lower end inserted in slots in a case and a press-in fastener at an upper end inserted within a hole in a switch base assembly for securing said shield within the case. A handle pullout has a large flange extending ... | 04/11/1995 |
| 5322971 | Motor control system and components thereof A motor control system includes a single, multicompartment enclosure mounted on a skid. The enclosure contains a transformer circuit and a motor controller circuit interconnected so that only external connections to a power source and a load are needed. W... | 06/21/1994 |
| 5157577 | Sealed electrical switchgear cabinet A cabinet for housing modular electrical switchgear is formed essentially by a case on which a cover is tightly fitted, and by a window disposed on the cover to seal an opening arranged on the cover. The window bears on the edge opposite its rotation axis... | 10/20/1992 |
| 5130616 | Motor control system and components thereof A motor control system includes a single, multicompartment enclosure mounted on a skid. The enclosure contains a transformer circuit and a motor controller circuit interconnected so that only external connections to a power source and a load are heeded. W... | 07/14/1992 |
| 4872139 | Memory protection device for an electronic apparatus A memory protection device for an electronic apparatus has a cartridge storage portion for accommodating a memory cartridge. The memory cartridge stores data for the electronic apparatus. This memory protection device further comprises a lid connected to ... | 10/03/1989 |
| 4835657 | Explosion-proof electrical unit An explosion-proof electrical unit comprises an explosion-protected chamber for leading-in current conductors and an explosion-protected equipment chamber divided by a blast-resistant wall, and through current conducting terminals secured on the blast-res... | 05/30/1989 |
