For Joining Three Or More Conductors Patents (Class 439/798)
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Patent number: 5746627Abstract: An electrical connector bar and assembly housing which includes a plurality of support terminal bars mounted in a single housing unit which can be anchored within a wire trench provided at a convenient access location within the building floor structure to permit modifications to be made in the wiring supports in the building at a selected convenient access location within the trench.Type: GrantFiled: July 15, 1997Date of Patent: May 5, 1998Inventor: Scott J. Bratten
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Patent number: 5690516Abstract: A slip-fit electrical connector for a threaded transformer stud has a stepped or key type stud hole which includes an oversize unthreaded circular hole on top and a slightly smaller intersecting hole on the bottom. The bottom hole has threads matching those of the stud and a jam screw forces the threaded stud into intimate contact with the threads of the smaller hole, such contact extending over a substantial arc. The connection provides a tight and improved electrical connection having simplicity of installation.Type: GrantFiled: July 14, 1995Date of Patent: November 25, 1997Assignee: Erico International CorporationInventor: David R. Fillinger
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Patent number: 5531617Abstract: A neutral lug assembly for coupling neutral wire conductors to a neutral plate in the panelboard is provided, the neutral lug assembly includes a generally u-shaped bracket adapted to be electrically coupled to the panelboard neutral plate and having first and second stair-step shaped side portions. A cross strap having a first end secured to the first side portion, a second end secured to the second side portion and a middle portion. A securing means is provided for securing the first and second end of the cross strap to the first and second side portions of the bracket, wherein the securing means electrically couples the cross strap to the first and second side portions. A connector is coupled to the middle portion of the cross strap for coupling at least one neutral wire conductor to the bracket.Type: GrantFiled: June 3, 1994Date of Patent: July 2, 1996Assignee: Square D CompanyInventor: Robert J. Marks
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Patent number: 5362253Abstract: A distribution cable mounting device includes a junction block mounted inside an electrical box and having a tapered junction hole with an inner thread, a hollow, tapered plug fitted into the tapered junction hole to secure the conductor of a cable, a hollow screw member having a hollow screw rod at one end threaded into the inner thread on the junction hole and stopped against the tapered plug and a hollow, split, tapered cone at an opposite end tightened by a nut to secure the insulator of the cable.Type: GrantFiled: January 3, 1994Date of Patent: November 8, 1994Inventors: Kuang-Ts'an Lin, Shih-Tzung Liang
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Patent number: 5266057Abstract: An electronic power distributor is provided. The distributor is a cylindrical base unit shaped like a hockey puck which contains a top surface, bottom and side circular surfaces. In the top surface, there are a number of holes which extend into the base unit. These holes have a threaded portion for engaging with a power bolt. The side circular surface contains a number of holes which extend into the base unit and are positioned to perpendicularly intersect the holes which extend from the top surface. The holes on the side are capable of receiving the strands of a wire conductor or an adapter of other size conductors. The power bolts which hold the wire conductors in the holes through the side circular surface contain three portions. The first portion is conical and contain a first annular beveled surface extending radially and axially generally toward the vertex.Type: GrantFiled: March 31, 1992Date of Patent: November 30, 1993Assignee: Monster Cable Products, Inc.Inventors: Donald E. Angel, Jr., David H. Pitcher, Matthew S. Harvey
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Patent number: 5244423Abstract: A turn prevention electrical connection assembly to prevent cable or other conductor connection lugs from turning on an electrical bus includes a turn prevention member, usually of cross-like configuration and having at least as many arms as there are connection lugs on one side of the bus. The turn prevention member is mounted on the bus in nested alignment with the connection lugs so that each connection lug is aligned closely adjacent to at least one arm of the turn prevention member. The turn prevention member and the connection lugs interact with each other to preclude turning of the lugs from their preset alignment.Type: GrantFiled: April 29, 1992Date of Patent: September 14, 1993Assignee: Boltswitch, Inc.Inventors: John W. Erickson, James A. Erickson
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Patent number: 5201678Abstract: A set screw bus connector comprising a bus with a secondary outlet and a service outlet extending from the bus. The service outlet comprises a terminal having a first borehole extending from its distal end to the bus, a first set screw in the terminal for securing a service cable in the first borehole, a second smaller borehole extending from the distal end of the terminal substantially parallel to but displaced from the first borehole, with the second borehole terminating short of the first set screw, and a second set screw in the terminal for securing a streetlight cable within the second borehole.Type: GrantFiled: November 6, 1991Date of Patent: April 13, 1993Assignee: Homac Mfg. CompanyInventor: J. William Venezia
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Patent number: 5199905Abstract: A connector bar for use in above grade pedestals for the distribution for underground electrical power to residential housing includes a body member having a pair of completely enclosed cable openings for receiving the main power line cables and partially enclosed wire openings within the body member for receiving distribution cables. Each distribution cable is trimmed to the proper length by placing it adjacent the connector bar and cutting the connector approximately flush with the top of the bar and the insulation is trimmed from the cable at a location just below the connector bar. After these steps have been accomplished, the cable is installed into the connector bar by laterally placing it into the partially enclosed opening and securing it in place by means of the set screw.Type: GrantFiled: March 9, 1992Date of Patent: April 6, 1993Assignee: Connector Manufacturing Co.Inventor: David R. Fillinger
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Patent number: 5190485Abstract: An electrical termination lug is described comprising a block member having a top portion, bottom portion, front portion, back portion, and opposite side portions. The block member has a first opening formed therein which is adapted to receive a large electrical connector therein. A set screw threadably extends into the block member for engagement with the large connector in the first opening to maintain the large connector in the first opening. The block member is provided with one or more openings formed therein adapted to receive small connectors therein or which are adapted to secure small connectors to the block member.Type: GrantFiled: February 3, 1992Date of Patent: March 2, 1993Inventor: Jimmy D. Ransdell
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Patent number: 5171169Abstract: A readily disconnectible electrical connection system comprising a connector body having structure for connection to an electrical power source, and a tongue projecting from the body, the tongue having a top surface and a threaded opening intersecting the top surface; and an adapter body having top and bottom surfaces, and multiple side surfaces; the adapter body having an internal recess intersecting one of the side surfaces, and also the bottom surface of the adapter, the recess sized to receive the tongue, and the tongue received in the recess; this adapter having a through-opening extending from the adapter top surface to the recess and being in registration with the threaded opening in the tongue to receive a fastener for threaded connection to the threaded opening; and the adapter having cable structure, and opening structure to receive electrical cable retention structure.Type: GrantFiled: November 21, 1991Date of Patent: December 15, 1992Assignee: Scosche Industries, Inc.Inventors: Peter C. Butcher, Roy Nimpoeno
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Patent number: 5100348Abstract: An electrical distributor including a conductive base unit having a first surface and a first hole extending into the first surface, the first hole having a threaded end adjacent the first surface, and an inwardly tapered portion spaced from the first surface, a compressible conductive sleeve having a central hole and one conical end, the sleeve being fitted into the first hole with the conical end thereof abutting the tapered portion of the first hole, and a bolt threaded in the first hole and for urging the sleeve against the tapered portion and thereby compressing the sleeve, whereby a conductor extending into the first hole and sleeve may be held therein by compressing of the sleeve.Type: GrantFiled: April 18, 1991Date of Patent: March 31, 1992Assignee: Monster Cable Products, Inc.Inventors: Rodney A. Herman, Donald E. Angel, Jr.
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Patent number: 5021014Abstract: An electrical bus bar assembly is provided in which an elongate conductor member having at least one generally flat surface with two spaced generally parallel channels having an opening through the flat surface narrower than a major section of the channel parallel to the flat surface and separate by a riser member extending above said surface are provided with at least one connector module made up of a top member with two depending legs bent inwardly at the end remote from the top member and terminating adjacent the riser member and having a foot member on each slidably engaged in the parallel channels through said opening, and clamp means in the top member acting to exert pressure on a wire inserted between the legs and on the riser to fix the wire in the connector module and the connector module in tight conductive relation on the conductor member. Lips provided on the legs interact with grooves provided on a T-shaped member to prevent the foot members from spreading apart.Type: GrantFiled: May 7, 1990Date of Patent: June 4, 1991Inventors: Gerard S. Walter, John Hagan
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Patent number: 4894575Abstract: An electrical generator connection, to connect coil ends, and a method of making the same. A header cap having a spherically shaped portion is brazed to each coil end to be connected. A pair of connector bars, each having a pair of similarly sized spherical seats, receives the spherical portion of each coil end header cap. Electrical and mechanical connection is provided by bolting the two connector bars together.Type: GrantFiled: November 7, 1988Date of Patent: January 16, 1990Assignee: Westinghouse Electric Corp.Inventors: Lennart S. Nilsson, John M. Butler, III, Hector O. Ponce, Darrell R. Morrison
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Patent number: 4778412Abstract: An electrical buss bar assembly is provided in which an elongate conductor member having at least one generally flat surface with two spaced generally parallel channels having an opening through the flat surface narrower than a major section of the channel parallel to the flat surface and separated by a riser member extending above said surface are provided with at least one connector module made up of a top member with two depending legs bent inwardly at the end remote from the top member and terminating adjacent the riser member and having a foot member on each slidably engaged in the parallel channels through said opening, and clamp means in the top member acting to exert pressure on a wire inserted between the legs and on the riser to fix the wire in the connector module and the connector module in tight conductive relation on the conductor member.Type: GrantFiled: March 27, 1987Date of Patent: October 18, 1988Assignee: Walter Electrical Manufacturing CompanyInventors: Gerard S. Walter, John Hagen
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Patent number: 4700271Abstract: An improved terminal assembly for a panel board is disclosed which is simple in construction, easy to assemble and low in manufacturing costs. The panel board terminal assembly includes a bus bar mounted on support members formed of an electrically insulating material and a plurality of terminal frames each in the form of a substantially U-shaped cross section having a pair of opposed side walls and an intermediate wall interconnecting the side walls. The side walls have a pair of aligned openings formed therethrough into which the bus bar is inserted. A plurality of terminal screws are each threaded in the intermediate wall of each terminal frame for clamping an external conductor between the shank of each screw and the bus bar.Type: GrantFiled: November 26, 1985Date of Patent: October 13, 1987Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tukasa Iio, Sumio Egusa