Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7405923 | Circuit breaker panel The invention provides a circuit breaker panel with several safety features. The main breaker is separated from the circuit breakers by a non-conducting shield. The main breaker is also covered by a transparent, non-conducting shield. A further transparent non-condu... | 07/29/2008 |
| 7295427 | Electrical component with flush side action fasteners for a load center basepan An apparatus and method for a load center comprising a basepan with fastener devices for securing bus bars, neutral bars, and a variety of other electrical components to the basepan. Each fastener device comprises a self aligning support post flush with two extendin... | 11/13/2007 |
| 7280344 | Consolidated circuit breaker support insulator and bus alignment piece The present invention which provides for a consolidated circuit breaker support insulator and bus alignment piece having a molded body and at least one horizontal bus. Preferably, there are three horizontal buses. Each horizontal bus is structured to extend between,... | 10/09/2007 |
| 7256984 | Reconfigurable power distribution panel The present invention provides a reconfigurable power distribution panel, a power distribution system, a method for reconfiguring a power distribution panel, and a method for manufacturing a reconfigurable power distribution panel. The reconfigurable distribution pa... | 08/14/2007 |
| 7173810 | Horizontally mounted power circuit breaker bus assembly A bus assembly that is structured to be coupled to a multiple pole circuit breaker and to a plurality of horizontally aligned vertical line conductors is disclosed. The circuit breaker has a back side with a line terminal and a load terminal for each pole extending ... | 02/06/2007 |
| 6915567 | Method of wiring for motorcycles An housing of a meter unit is inserted from above into a meter unit support hole which is provided in the rear handle cover. Engagement claws of the housing are engaged with claw receiving portions of the rear handle cover, thereby prevent the housing from coming ou... | 07/12/2005 |
| 6905372 | Internal power bus and power output assembly The present invention relates to a power distribution unit with output power terminals and electrical leads with mating portions connected to extensions of the terminals, with adjacent mating portions and connected extensions offset from one another. Alternatively, ... | 06/14/2005 |
| 6689956 | Electrical bus duct system with heat-dissipating enclosure An electrical bus system is disclosed in which first and second bus bar assemblies are provided for conducting electrical currents of respective first and second polarities. A bus duct enclosure is provided for enclosing the bus bar assemblies. The bus du... | 02/10/2004 |
| 6642457 | Insulator for an electrical busbar system, as well as an insulator system having such insulators An insulator is specified for an electrical busbar system having at least one rail (5), which is in the form of an integral axially symmetrical body (1) and has a hole (3) along the axis of symmetry (2), with a mounting surface (4), which is vertically at... | 11/04/2003 |
| 6489567 | Device for connecting bus bars of a bus bar system with the connectors of a piece of electric installation equipment A device for connecting bus bars of a bus bar system with connectors of a piece of electric installation equipment using connecting pieces, which are cut, angled and/or bent from a rectangular flat material. The cost for different bar elements for the con... | 12/03/2002 |
| 6479751 | Contact discs for conducting plates of busbars The invention relates to a contact disc (1) for a conducting plate (2) of busbars, comprising a contact surface (3) projecting upwards with respect to the surface of the conducting plate where the contact surface (3) is integral with the conducting plate ... | 11/12/2002 |
| 6381122 | Bus bar system with several bus bars and an installation device with flat connectors A bus bar system having several bus bars spaced apart from each other in a first connecting plane and of an essentially square cross section and having T-shaped connecting grooves cut into all outsides for a connection with electrical installation devices... | 04/30/2002 |
| 6205019 | Circuit breaker switchboard, single row group mounted A switchboard for mounting and supplying electrical power to a plurality of circuit breakers has all the breakers are mounted on one side of a vertical power stack. The power stack has vertical buses to which the breakers are connected. Insulators and spa... | 03/20/2001 |
| 6141206 | Switchgear assembly with novel arrangement for connecting a tie or main circuit breaker Main circuit breakers and/or tie circuit breakers are connected by upper and lower disconnects to upper and lower sections, respectively, of split risers in a low voltage switchgear assembly. An upper horizontal bus is connected to the upper sections of t... | 10/31/2000 |
| 6111745 | Switchgear conductors and mounting arrangements therefor The interface conductors, stabs and runbacks, which are engaged at first ends by quick disconnects on electrical apparatus in a switchgear assembly, are fabricated from a stacked pair of elongated, flat conductors secured together at the first ends by elo... | 08/29/2000 |
| 5786775 | Keyboard structure of a portable computer A keyboard structure of a portable computer, in which the keyboard is disposed on a pad board having supporting cranks pivotally disposed on two sides thereof. A torque spring is disposed at the pivot portion between the supporting crank and the pad board... | 07/28/1998 |
| 5450282 | Circuit breaker support saddle for automated assembly A circuit breaker support saddle is assembled automatically from three plastic support pieces without welding or using separate fasteners to secure the pieces together. The metal circuit breaker support rails are positioned onto blocks integrally formed o... | 09/12/1995 |
| 5337211 | Electrical load center interior panel having molded insulating support panel with snap-in bus bars A plastic panel has a central row of openings, each having a forwardly facing shelf at one end, a plurality of rearwardly directed posts having forwardly facing shoulders, a plurality of projections proximate the respective openings, each projection havin... | 08/09/1994 |
| 5134543 | Electrical load center An electrical distribution load center consists of a non-conductive enclosure and a circuit breaker bus bar support panel that are interconnected by interlock members that can be snap-fitted to secure the two panels to each other. The support panel also h... | 07/28/1992 |
| 5126918 | Electric power distribution panelboard-switchboard assembly A combination panelboard-switchboard housing accepts plug-on connection with a plurality of modular electric switch-circuit breaker enclosures. The modular enclosure accepts circuit breakers or electric switches which can be field-installed with minor alt... | 06/30/1992 |
| 5124881 | Enclosed switchgear An enclosed type switchgear for receiving electric power from two separate power lines includes first and second circuit breaker chambers arranged side by side and a third circuit breaker chamber provided below the first and second circuit breaker chamber... | 06/23/1992 |
| 5113312 | Electric power distribution panelboard-switchboard bus bar insulation shield A combination panelboard-switchboard housing accepts plug-on connection with a plurality of electric switch-circuit breaker modules. Circuit breakers can also be directly connected onto the bus bars in a plug-on connection with minor modification. The bus... | 05/12/1992 |
| 5101080 | Busbar for current distributor rails, switchgear and the like A busbar is provided for current distribution systems such as busbar trunking systems, switchgear and the like. The busbar has a C-shaped cross section and walls which are not uniform in thickness. The walls which lie closest to one another in adjacently ... | 03/31/1992 |
| 5067043 | Electric power distribution panelboard-switchboard bus bar insulation shield A combination panelboard-switchboard housing accepts plug-on connection with a plurality of electric switch-circuit breaker modules. Circuit breakers can also be directly connected into the bus bars in a plug-on connection with minor modification. The bus... | 11/19/1991 |
| 5053918 | Three phase bus bar apparatus having selectively positioned interexchangeable links The disclosed electrical apparatus involves multiple poles of an electrical device which bear links for plug-in connection to a set of three-phase bus bars; the links for the three spaced-apart bus bars are shaped and proportioned alike.... | 10/01/1991 |
| 4967307 | Gas insulated switchgear apparatus In a gas-insulated switchgear apparatus, breakers of three phases are contained in a barrel-type sealed enclosure having an insulating gas sealed therein. At least one terminal of each of the breakers is connected to each of a plurality of main buses arra... | 10/30/1990 |
| 4837662 | Gas insulated switchgear A gas insulated switchgear in which the fastening portion at the lead-in terminals connecting the first cable head vessel and the second cable head vessel is at a level lower than the level of the fastening portion at the lead-in terminals connecting the ... | 06/06/1989 |
| 4815985 | Prefabricated electric connection device for connection to a set of bars A prefabricated electric connection device includes a set of bars which extend parallel to each other. Intermediate connection members each provided with an external insulating sleeve are fixed to respective ones of the bars and extend forwards perpendicu... | 03/28/1989 |
| 4740864 | Horizontal bus bar splice for control center A slidable splice plate assembly for physically and electrically connecting the horizontal bus bars of adjacent sections of control centers. The electrically connecting splice bars and the insulating splice slide plate are preassembled and connected to a ... | 04/26/1988 |
| 4602312 | Control bus device A control bus device comprises bus conductors for a control circuit being common to a plurality of control units which are arranged in a multistage to form a control center. A plurality of conducting bars each having connecting points for branch lines are... | 07/22/1986 |
| 4366528 | Switchboard housing apparatus Lower extremities of two structural, component-carrying columns are affixed to two channel members that are coupled to a base frame. The columns, members, and frame form a free standing assembly. Two other channel members, coupled to a top frame, are affi... | 12/28/1982 |
| 4316234 | Enclosed switchboards In an enclosed switchboard having a vertical bus bar supported by an insulating cover and unit chambers situated in front of the vertical bar and tiered one above the other for accommodating unit devices, each unit device having a stab-type connector incl... | 02/16/1982 |
| 4242718 | Control center with interfitting dielectric barriers for bus bars A control center for distributing electric power from a power supply source to power consuming devices characterized by a plurality of parallel bus bars covered on each side with dielectric barriers in surface-to-surface contact with the bus bars, the bar... | 12/30/1980 |
| 4199655 | Circuit breaker with insulated horizontal bus bars A control center characterized by horizontal bus bars having electrically insulating covers thereon which covers are in surface-to-surface contact with the surfaces of the bus bars except for removable surface portions for providing electrical connection ... | 04/22/1980 |
| 4180845 | Control center with bus bar insulators A control center characterized by vertical bus bars supported by dielectric insulators which are disposed in vertically spaced pairs along the bus bars and which are molded with a configuration to accommodate bus bars of various shapes and sizes.... | 12/25/1979 |
| 4178624 | Control center with insulated bus bars A control center with insulated bus bars characterized by a cabinet having a plurality of spaced vertical bus bars, each bus bar comprising an intermediate portion and a leg extending toward the front side of the cabinet and another leg extending toward t... | 12/11/1979 |
| 4159504 | Site assembled electrical load center An electrical load center comprising an enclosure having a bus bar assembly extending longitudinally thereof, and the bus bars being mounted on an insulated base. A pair of end base plates support the bus bar assembly, the end base plates being formed of ... | 06/26/1979 |
| 4136374 | Electrical switchboard apparatus including double-flanged vertical riser conductors An electrical switchboard including a horizontal main supply bus and a vertical riser bus mounted within a cabinet structure. The conductors of the vertical riser bus include front and rear flanges connected by a web portion to form an I-shaped cross sect... | 01/23/1979 |
| 4093970 | Main lug assembly for circuit breaker load centers In a circuit breaker load center there is provided a main lug assembly constructed for interchangeable installation with a main circuit breaker. The lug assembly comprises an insulative mounting block to which are secured a pair of conductive straps in cl... | 06/06/1978 |
| 4079439 | Loadcenter having a dual purpose neutral rail This invention relates to a distribution panelboard such as might be used for electrical service entrances. The panelboard differs from prior art designs in that the neutral rail which is generally found in previous designs at the top or bottom of the pan... | 03/14/1978 |
