Patents Examined by David A. Tone
  • Patent number: 5202538
    Abstract: A modular, light-weight, portable electric power distribution cabinet having high structural integrity and being readily adaptable for cost effective use in a wide variety of applications. The cabinet can be arranged to be a main power feed, trunk or branch feed type cabinet and a plurality of cabinets of said type can be selectively coupled to one another to provide a power distribution network of any desired configuration. The cabinet also provides for direct access of power cables to the interior of the cabinet so that cables with lugs at the ends thereof can be directly coupled to a bus feed arrangement within the cabinet. The direct access feature of the cabinet includes a cable clamp door to simultaneously engage and clamp a plurality of lugged cables for ancillary strain relief.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: April 13, 1993
    Assignee: Union Connector Co., Inc.
    Inventor: Stephen J. Skirpan
  • Patent number: 5200575
    Abstract: A connector assembly for providing a substantially fluid-tight connection of a conduit to an electrical box or other apertured bulkhead. A substantially tubular hollow connector body has a front section and a rear section, with the front section having one or more locking tabs for mounting the connector body in the aperture. A substantially hollow sealing member having proximal and distal ends is telescopingly connected over the connector body in non-rotatable condition, and may include an outwardly extending flange adjacent its proximal end. The sealing member also includes a tapered sealing bore for receiving the end of the conduit and, in some applications, includes a plurality of inwardly oriented deburring protuberances near the distal end of that bore. The assembly further includes a substantially hollow sealing sleeve telescopingly surmounting at least a portion of the sealing member.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: April 6, 1993
    Inventor: Robert K. Sheehan
  • Patent number: 5198617
    Abstract: A distributing box for laying a cable duct in the construction field in is sealed, after laying the cable duct, with mortar and then buried in the ground. Accordingly, setting up the distributing box is simplified. Also, underground water must not permeate the distributing box. In the present invention, therefore, a duct laying fixture is constructed includes a box-shaped barrel of a water-expansible elastic material attached to the bellows type cable duct, and a water-expansible sheet which is stuck on the outer surface of the barrel. The barrel includes a duct mounting port in which the bellows type cable duct is mounted. Ribs are formed on the peripheral wall surface of the port to come into close contact with the outer peripheral surface of the bellows type cable duct. A slit permits spreading the barrel. The sheet is stuck on the outer surface of the barrel after the duct has been passed by spreading the barrel.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: March 30, 1993
    Assignees: Saito Denki Sangyo Co., Ltd., Fukuoka Kurosu Kogyo Co., Ltd.
    Inventors: Shotaro Ozeki, Masakazu Kawanabe, Keiji Imamura, Makoto Nakayama
  • Patent number: 5198618
    Abstract: A safety cover plate for covering an electric socket includes an external plate member with an opening aligned with the receptacle. The sliding plates are slidably mounted to the inside of the external plate member to shield the opening of the external plate member. A biasing member is provided to urge the sliding plates to engage and shield the opening. The sliding plates are mounted between two rails. A notch misaligned with the slots of the receptacle is formed on one of the sliding plates so that a user can separate the two sliding plates from each other and insert a plug into the receptacle.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: March 30, 1993
    Inventor: Gary Shieh
  • Patent number: 5192831
    Abstract: A floor junction box having a plurality of columns releasably set between the base and the cover plate thereof for controlling the size of the wiring holes therebetween so that conductors of different size and shape can be alternatively fastened therein for connecting a variety of wire conduits. Insert is provided to seal each wiring hole when no electric wire is to be inserted therein.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: March 9, 1993
    Inventor: Chin-Hui Yang
  • Patent number: 5191171
    Abstract: A circular inner knockout and a non-circular outer knockout formed in a wall are individually connected to the wall by frangible webs located opposite from one another. The frangible web connecting the inner knockout to the wall is stronger than the frangible web connecting the outer knockout to the wall. The periphery of the outer knockout includes by a plurality of interconnected discrete circular curved portions, and does not completely surround the inner knockout.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: March 2, 1993
    Assignee: Thomas & Betts Corporation
    Inventor: Mark A. Bordwell
  • Patent number: 5189258
    Abstract: A novel retaining clip for use with strain relief connectors on electrical boxes that is capable of being attached to the threaded connector directly without threading has a series of spring clip tabs which engage an electrical box at an opening therein as the connector is displaced through the opening.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: February 23, 1993
    Assignee: Bridgeport Fittings, Inc.
    Inventor: Edward E. Pratesi
  • Patent number: 5189259
    Abstract: A two-piece face plate assembly includes a coupling plate which is mounted between the yoke strap of a wiring device and the mounting flange of a wall box. The coupling plate has a central opening for receiving the wiring device and has first and second index pins formed at spaced locations along the longitudinal axis of the coupling plate and in registration alignment with threaded mounting holes on the yoke strap. The coupling plate also has press-fit connectors positioned symmetrically about the central opening. The screwless face plate has a central opening for receiving the wiring device escutcheon and has a corresponding number of complementary press-fit connectors which are aligned for interlocking, press-fit engagement with the coupling plate connectors. The wiring device is mounted onto the wall box by screw fasteners extending through mounting slot openings formed through the yoke strap and in engagement with threaded mounting holes on the wall box.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: February 23, 1993
    Assignee: Lightolier, Inc.
    Inventors: Steven R. Carson, Jerry D. Gandre
  • Patent number: 5185499
    Abstract: An improved electrical receptacle box having resealable openings and adapted to enclose an electrical apparatus such as a five-wire receptacle. The box is made up of two sections which are preferably identical. Each resealable opening is provided wth a channel about its periphery. The electrical apparatus is provided with a flange about its periphery and this flange is engaged in the channel of the box opening to ensure that the apparatus is securely mounted within the box. Planar seals are provided which can be inserted into the channel of the opening to seal off any unused opening.
    Type: Grant
    Filed: August 7, 1990
    Date of Patent: February 9, 1993
    Inventor: Norman J. Yahraus
  • Patent number: 5180886
    Abstract: A facade assembly for an electric socket consists of a support for mounting to the socket, a cover plate to provide a raised decorative area that covers the socket, and a wallplate to surround the raised area and snap onto the cover plate. The facade assembly provides an attractive "designer-style" appearance that permits easy replacement of modular elements that determine the aesthetic qualities of the assembly.
    Type: Grant
    Filed: August 9, 1989
    Date of Patent: January 19, 1993
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Karl Dierenbach, Elliot G. Jacoby, Jr., Dan A. Snavely, Darryl W. Tucker, Scott N. Walck, Scott N. Walck
  • Patent number: 5179252
    Abstract: A junction box which includes a case having fastened therein a plug socket mounting plate with a plurality of plug sockets respectively mounted thereon at three locations; a raised, frame-shaped block at the inside for mounting a rubber packing and a frame-shaped bevel flange; a cover plate pivoted to the frame-shaped bevel flange at the inside. The cover has a hand-hold portion at the top and defining therein a hole through which electric wires can be inserted to respectively connect to the plug sockets by an electric plug. A frame-shaped top insert may be attached to the casing and squeezed in between the rubber packing and the bevel flange, permitting the bevel flange to fit flush with a surrounding surface.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: January 12, 1993
    Inventor: Chin-Hui Yang
  • Patent number: 5171939
    Abstract: A bracket for supporting an electrical socket unit within an electrical outlet box includes elements for realigning the bracket relative to the outlet box and elements for laterally and longitudinally supporting the bracket within the outlet box at any realigned location. Pivot elements for pivotally attaching a cover and lock elements for locking the cover are disclosed.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: December 15, 1992
    Inventor: Michael J. Shotey
  • Patent number: 5170012
    Abstract: The present invention is a multi-function gasket adapted to support a plurality of components within a support unit having first and second support members. The multi-function gasket includes a frame portion adapted to be disposed between the first and second support members. The multi-function gasket also includes a support portion adapted to be disposed between first and second components to support the first component against the first support member and the second component against the second support member. The multi-function gasket further includes a web portion interconnecting the frame portion and the support portion to allow the frame portion and the support portion to rotate relative to each other, whereby either one of the first and second components may be removed and the support portion rotated to allow access to the other component.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: December 8, 1992
    Assignee: Freudenberg-NOK General Partnership
    Inventor: Karl Braconier
  • Patent number: 5165042
    Abstract: A cover plate apparatus for electrical outlets which comprises a bracket for mounting a plurality of female electrical receptacles including a first and second electrical receptacle connected to the electrical conduit, a base plate attached to the mounting bracket having longitudinal tongue members and a decorative face plate having an outer and inner surface and a central channel for receiving the raised rib provided in the base plate for slideable movement between a closed position wherein the receptacles are completely closed to an open position wherein the electrical receptacles are accessible to receive a male electrical plug having prongs for making an electrical connection.
    Type: Grant
    Filed: August 21, 1990
    Date of Patent: November 17, 1992
    Inventor: Harry E. Klinger
  • Patent number: 5164544
    Abstract: An electrified space dividing panel system having a panel member, a raceway, a modular electrical system disposed in the raceway, and raceway covers for gaining access to the electrical system. The modular electrical system includes a single terminal block having end and side sockets, with first and second electrical receptacles being respectively removably engaged with the end socket and side sockets such that the first and second electrical receptacles are disposed in horizontally spaced side-by-side relation and project outwardly for predetermined like dimensions through receptacle openings in one of the raceway covers. In a preferred embodiment the raceway includes a web having an opening which cooperates with a support ear on the first receptacle during engagement of the first receptacle with an end socket to provide additional lateral support for the first electrical receptacle when an electrical plug is removed therefrom.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: November 17, 1992
    Assignee: Westinghouse Electric Corp.
    Inventors: H. Keith Snodgrass, Neil A. Sendler
  • Patent number: 5160808
    Abstract: Simplified access device for flush floor fittings in the form of a track mounted slider. The slider can be manipulated between a closed position wherein the interior of the fitting is shut off to any desired minimum opening position to accommodate exiting of one or more cables. The slider is never divorced from the fitting and so is available in the event the station is abandoned.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: November 3, 1992
    Assignee: Butler Manufacturing Company
    Inventor: Robert W. Hadfield
  • Patent number: 5160809
    Abstract: A terminal assembly for a terminal outlet on an electric wire conduit, including a connector fastened in said terminal outlet for holding a nut in position, a socket member fastened in the nut through screw joint for holding a locating seat therein at the bottom to resiliently hold a plug socket holder by a spring. The plug socket holder is fixedly covered with a cover plate for holding an electric plug socket connected to external power supply by a cable through the electric wire conduit, which has spaced projecting strips respectively engaged with spaced projecting blocks around the inner wall of the socket member. Control of the cover plate permits the plug socket holder to be completely received inside the socket member when not in use, or extend out of the socket member for electric connection.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: November 3, 1992
    Inventor: Chin-Hui Yang
  • Patent number: 5159156
    Abstract: A plurality of housings are attached by a carrier strip which does not produce loose piece material which can damage the work station to which the housings are to be delivered. The carrier strip has carrier projections which extend from each respective housing, the carrier projections have enlarged portions provided at the free ends thereof. A recess is provided on the housing, the recess has first and second openings which cooperate with the enlarged portions of the carrier projections, such that when the enlarged portions are positioned in the first opening, the housings will be spaced from each other in a carrier strip arrangement, and when the enlarged portions are positioned in the second opening, and the carrier projections are severed from their respective housings, the carrier projections will be entirely disposed within the recesses of the housing, thereby preventing loose material from the carrier projections from interfering with the work station in which the housing is to be used.
    Type: Grant
    Filed: May 29, 1991
    Date of Patent: October 27, 1992
    Assignee: AMP Incorporated
    Inventors: Ulrich B. Munk, Michael Gerst
  • Patent number: 5155300
    Abstract: A device for sealing off a hole in a wall of a switch box, through which hole a cable is guided into the switch box. A pot-shaped housing can be fastened with its front opening opposing the hole in the wall of the switch box. The housing has on its back side at least one opening for guiding therethrough the cable. The housing comprises two parts with the separating line therebetween going through the cable opening. Each of the two housing parts contains a body of a rubber-like elastic material.
    Type: Grant
    Filed: November 23, 1990
    Date of Patent: October 13, 1992
    Inventor: Hans Brandner
  • Patent number: 5147979
    Abstract: Threadless floor electric wire junction box with embedded in the concrete floor for distribution of electric wire through a wiring conduit which has a bolt hole for guiding electric wire. The bolt hole is blocked with a plug assembly and sealed with a gasket ring. The plug assembly comprises at least a tubular plug having an inner thread for mounting a cap through screw joint and sealed with a gasket ring. The cap can be conveniently removed from the tubular plug so that electric wire can be guided out of the wiring conduit for installation of socket power. A screw power. A screw pipe coupling is attached to the plug assembly and sealed with a gasket ring for connecting two tubular plugs together so as to increase the height of the plug assembly.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: September 15, 1992
    Inventor: Chin-Hui Yang