Abstract: A combination lighting fixture and wiring conduit for fluorescent tubes arranged to both support such tubes and provide isolated channels for other wiring needs. The fixtures are intended to be mounted in multiples in end to end relationship and consist of a plurality of sheet components which fit together in interlocking relationship.

Abstract: This invention relates to an improvement in systems for the rapid attachment of lamps, especially lamps having a watertight housing, whereby a lamp may be connected in a single simple operation to its housing, a supporting plate previously attached to the ceiling (or a wall) and at the same time to a source of power, by means of suitable electrical connectors, forming an enclosed watertight unit in accordance with the applicable regulations.

Abstract: The present invention is a combination potrack-light fixture designed to be suspended over a kitchen work area.

Abstract: One end of an elongated beaded chain is secured in a screw base with a spring loaded connection. The chain extends downward through a central opening in a cover and in a reflector. The opening in the reflector includes a locking slot into which the chain can be placed. After the screw base is threaded into a conventional socket, the chain is passed through the opening as the reflector is drawn up into the opening for the existing recessed fixture. The fixture includes a trim ring which is placed against the ceiling which surrounds the recessed fixture. The chain is then pulled down against the spring in the screw base, pulled to the side into engagement with the slot portion of the opening, and released. The spring pulls upwardly on the chain and seats the new fixture snugly against the ceiling. The spring provides a small amount of flexibility to adjust for expansion and contraction due to temperature, normal structural vibrations, and the like.

Abstract: A modular illuminated display has individual symbol elements each with small electric ampules spaced apart therein and selectively mounted on a U-section rail so that terminals of the symbol elements can mechanically support them on the rail and effect electrical connection between conductors and the inner walls of the rail with the lamp ampules of the mounted symbol elements.

Abstract: Flanking structural shapes and mechanical connection means between shapes disposed two-by-two in flanking relationship and two-by-two in abutting relationship make up structures for mechanical support and electrical connection, at low voltage (for example at 24 Volt), between abutted shapes. The web of the shapes having transverse bars at the ends, is defined by shearings in the same web. The bars being able to cooperate with coupling means comprise a plate body made of insulating material, shaped according to the cross-section dimensions of the structure and forming support edges adapted to receive, on their sides, the bars of the shapes to be coupled. Clamps for mechanical and electrical connection are developed with U-shaped cross-section for embracing the bars brought near the abutted shapes and the body thickness along the support sides, and are secured to the body.

Abstract: A truss unit having an elongated frame and rows of lights suspended downwardly from the frame. The lights are mounted on rods for displacement in a sliding motion in a direction transverse to the elongated frame. A first rigid lateral member is pivotally connected to a first side of the frame at a hinge joint, while the second rigid lateral member is pivotally hinged to a second side opposite the first. The first and second lateral members each have a longitudinal extension at least as great as that of the rows of lights. The truss unit has an operation configuration in which the lateral members extend upwardly to display the rows of lights. In the operation configuration the lights are moved to an extreme spaced apart position and the lateral members are locked in place by diagonal braces. Prior to transport, the truss unit may be moved to a transportation configuration with the first and second lateral members extending downwardly to protect the rows of lights.

Abstract: A troffer for fluorescent lights, including a stabilizer system, the troffer for fluorescent lights in the present invention includes a stabilizer system to prevent the outward bending of fuel and suspension runners or stringers. The stabilizer system has a first vertical plate member attached to the fluorescent troffer, a slotted bridge member eminating perpendicularly from the first vertical plate member and a second vertical plate member extending perpendicularly from the slotted bridge member. The second vertical plate member includes a fastener which is threaded through the vertical plate member to contact the runner or stringer.

Abstract: A track lighting system including remote on-off control of the lighting element, carrier-current transmitter for transmitting carrier-current signals over power lines, a bipolar rail for the electric power connected to the signal transmitter, a lamp holder comprising a first section cooperating with the rail, an intermediate section housing, a receiver for receiving the carrier-current signals and connected to a power switch, and an end section for supporting a lighting element, and selecting apparatus housed in the intermediate section for adjusting the receiver so that the receiver is responsive only to one among a plurality of the carrier-current signals sent over the power lines through the bipolar rail. The selecting apparatus includes a comb connection associated with the receiver and a movable contact for selecting the one signal to which the receiver is to be responsive.

Abstract: Lighting system comprising in particular projectors arranged between two low-voltage conductors, to which they are connected in an electrically manner. Each projector comprises a base on which are arranged radially on the longitudinal axis current-carrying bars, which are connected to the conductors by means of supports provided with fixtures.

Abstract: A low profile HID light fixture comprising; a housing, means for mounting said housing, an optical assembly having a lamp contained therein, an electrical assembly having a ballast contained therein and means for mounting said optical assembly and said optical assembly and said electrical assembly in side by side relationship directly beneath said housing.

Abstract: A track lighting system is disclosed for decoratively supporting and concealing an elongate standard transversely adjustable lighting track and associated track clamp and lighting fixture upon a flat surface such as a common wall or ceiling. A decorative flat panel member or planar member is positioned upon the wall or ceiling and the elongate standard lighting track positioned thereupon. Decorative trim or molding is provided around the opposed side walls and end walls of the planar member as well as around the side walls and end walls of the lighting track. A hollow boxlike track cover member having side walls and an end wall is positioned over the lighting track and associated molding and has cutouts in two of the opposed side walls complementary with the cross section of the lighting track and associated decorative molding.

Abstract: A plaster frame or base for recessed lighting fixtures has hanger bar receiving corners which are bendable to accommodate parallel or perpendicular axis orientation relative to ceiling joists or suspension grids. The frame spans the space between a pair of hanger bars and its corners have a plurality of mountings to accommodate different types of hanger bar such as flat horizontal, flat vertical, and adjustable interlocking hanger bars. The frame is preferably a rectangular metal plate with a flat base having upstanding side flanges, a fixture receiving aperture through the base between the flanges having a depending skirt or collar to surround and mount the fixture, mountings on the base for a junction box adjacent the aperture, and bendable hanger bar securing corners. The plate is sufficiently narrow to fit through the conventional ceiling aperture for the fixture.

Abstract: A light fixture is provided having a mounting base and a housing. The base and housing are connected to each other by an arm that extends from a corner of the top of one to a corner of a side of the other. This arrangement permits the base to rotate with respect to the housing between a position wherein the housing is generally parallel to the base to a position wherein the base is generally perpendicular to the housing.

Abstract: A lighting system includes a plurality of elongate tubular members joined together in a selected array, each tubular member carrying lamp assemblies therein and aimed laterally through apertures in the wall of the tubular member, the lamp assemblies being captured within the tubular members by coupling means enabling rotation of the lamp assemblies for aiming purposes and selective insertion and withdrawal of the lamp assemblies through corresponding apertures for removal and replacement of expended lamps.

Abstract: A track lighting system is disclosed for decoratively support and concealing an elongate standard transversely adjustable lighting track and associated track clamp and lighting fixture upon a flat surface such as a common wall or ceiling. A decorative flat panel member or planar member is positioned upon the wall or ceiling and the elongate standard lighting track positioned thereupon. Decorative trim or molding is provided around the opposed side walls and end walls of the planar member as well as around the side walls and end walls of the lighting track. A hollow boxlike track cover member having side walls and an end wall is positioned over the lighting track and associated molding and has cutouts in two of the opposed side walls complementary with the cross section of the lighting track and associated decorative molding.

Abstract: A lighting system is described which consists of a few basic units which can essentially be combined together in any desired sequence and which consist of spot lamps and also of stiff and flexible connecting members. Each spot lamp has two oppositely disposed sockets into which plug connectors provided at the ends of the connecting members can be inserted so that the spot lights can be joined in series or in arrays. The connecting members can also cooperate in defining the power connections.

Abstract: An aligning and joining mechanism for coupling and forcing the abutting ends of fluorescent luminaires into intimate engagement comprises a spanning member extending from one luminaire slidably into a receiver on the other luminaire. The spanner member includes a cam surface disposed adjacent a threaded component on the receiver. When the threaded component is driven against the cam portion, the inclination of the cam causes the abutting ends of the luminaires to be tightly compressed one against the other.

Abstract: A lighting fixture hanging panel and bracket has a flat rigid panel having a large and small aperture therein, shaped to fix a suspended ceiling grid. The panel may be of heavy plywood for supporting a hanging light fixture. An elongated light fixture suspending bracket has a circular portion shaped to fit over an aperture in the panel with the circular portion having a plurality of threaded openings therein positioned to receive threaded fasteners from a lighting fixture being attached to the lighting fixture bracket. The lighting fixture suspending bracket circular portion also has an elongated opening therein, and a bracket electrical receptacle supporting tab fixedly holding an electrical receptacle adjacent to the lighting fixture suspending bracket elongated opening. A switch is attached to the lighting fixture suspending bracket and a pull cord extends therefrom through to the small aperture in the panel.

Abstract: Subject track lighting system comprises a more-or-less regular lighting track having at least two pairs of track conductors. Of these track conductors, an initial pair carries the regular 120 Volt/60 Hz power line voltage. Plugged into the track and connecting with the initial pair of track conductors is one or more voltage-conditioning adapters--with each such adapter receiving its input voltage from the initial pair of track conductors and providing its conditioned output voltage to one of the other pairs of track conductors. Thus, depending upon the particular functions provided by the adapters, the different pairs of track conductors may be used in independently different ways. For instance, with one adapter being a frequency converter with an output voltage of 12 Volt/30 kHz, the pair of track conductors to which its output is connected may be used directly with low-voltage Halogen lamps--while ordinary 120 Volt incandescent lamps may simultaneously be used with the initial pair of track conductors.

Abstract: A lighting assembly including a plurality of housing sections, a series of rib groups arranged circumferentially on the exterior of the housing sections, and a remote control assembly for selectively energizing tri-color diodes embedded in the ribs so that the rib groups can be selectively and independently caused to glow in various colors depending on the aspect of the electrical energy delivered to each particular rib group.

Abstract: An assembly with a lamp to be embedded, comprising: a member with annular development with a cylindrical wall and two flanges, one inside and the other outside suitable to place itself against the mouth of the embedding seat; in said member a housing suitable to receive with elastic yielding the lamp to be embedded; appendixes rising from said annular member towards the inside of the embedding seat, which engage spring type means for retaining said member within the embedding seat; and in the lamp a spherical surface that is received in said housing and allows the lamp orientation.

Abstract: The illumination apparatus includes: a wall having a plurality of recessed wall portions; a plurality of electrically illuminating mechanism; a plurality of supporting mechanism, mounted on the wall, for supporting a corresponding illuminating mechanism so as to light a corresponding recessed wall portion; and controlling mechanism, electrically connected to each illuminating mechanism, for controlling illumination of each illuminating mechanism.

Abstract: A wall of the ceiling has a large number of recessed wall portions formed it in a honeycombed manner, thereby forming projected wall portions between corners of the adjacent recessed wall portions; a plurality of illumination mechanisms for electrically illuminating corresponding recessed wall portions are provided through supporting mechanisms to the ceiling; and ceiling appliances including smoke sensors, and inlets and outlets of an air conditioner. Each supporting mechanism comprises a pipe being connected at one end thereof to a corresponding projected wall portion and at the other end thereof to a corresponding illumination mechanism so that the corresponding illumination mechanism is positioned just below a corresponding recessed wall portion. The ceiling appliances are mounted on the projected wall portions.

Abstract: A troffer extension attachable to the walls of a lighting troffer, and with portions of a ceiling to raise the troffer relative to the ceiling, and having extension members, upper devices on one end of the members for engaging the troffer, and, lower devices on the other ends of the members for engaging the ceiling.

Abstract: A relatively light-weight auxiliary power track is adapted to be plugged into and supported by a regular power track in an otherwise ordinary 120 Volt/60 Hz track lighting system. A compact frequency converter is operative to provide 120 Volt/30 kHz high-frequency voltage on the auxiliary track, and light-weight low-voltage Halogen lighting units are provided for plug-in use therein. Each of these lighting units comprises a high-frequency light-weight voltage step-down transformer.

Abstract: A recessed lighting unit for supporting an energizing lamp adapted to fit into an electrical socket using a housing. The electrical socket and lamp are mounted in the housing. The housing includes an opening for the passage of light from the lamp to the area to be illuminated. A source of power runs to the socket through a wireway. A heat protection mechanism interrupts the flow of electrical power to the lamp and socket upon the generation of excess heat in the vicinity of the housing. The heat protection mechanism is mounted immediately adjacent the housing in the wireway and forms a structural unit with the housing and a junction box.

Abstract: A lightweight and inexpensive boom supported light fixture is provided comprising a swivel connected to a support surface and being pivotally connected to one end portion of a boom assembly, and an illuminating device adjustably movable along the length of the boom assembly to provide illumination at selected areas. A holding mechanism at the remote end portion of the boom assembly selectively and positively holds the boom assembly at the desired location, and a control line downwardly disposed from the boom assembly permits the user to easily and conveniently position the assembly to provide illumination at a desired location.

Abstract: An illumination system having a continuous fixed ceiling panel, at least one light source suspended by a telescoping arm from the panel and a split-core transformer formed by two electroinductive coils enclosed in permanent magnets through which a magnetic field is created for the sealed transfer of electrical energy through the panel to the light source. One magnet is disposed on opposite surfaces of the panel. Rollers or a pneumatic system may be disposed between each magnet and the surface of the panel on which the magnet is disposed for sliding the magnets over the surfaces of the panel while maintaining the transfer of electrical energy. Secondary lighting means may also be included.

Abstract: This invention relates to a unitary liner locking and locking washer device that is positioned between the wall mounting fixture and the vertical bracket support for an incandescent lamp. The unitary device includes a ring element having one end having a resilient upwardly disposed finger that is pressed into a biased position between the threaded portions of the fixture and the bracket. The other end of the ring element has a resilient prong having a hooked tip also upwardly disposed. The prong is unbiased with the tip engaged in a slot in the liner to lock the liner in position and can be biased inwardly to free the liner.

Abstract: An improved audio chandelier that has, in addition to its conventional illuminating purpose, an audio system such as a stereophonic radio or a security system incorporated into its structure, the former to furnish, for example, music, while the latter has as its purpose to warn of unwanted intrusions and disasters, for example, such as fires, by means of stimulus-responsive warning signals. Ventilation is provided for cooling the various systems components. Control, sensing and energizing means may be provided within a common housing. The modular construction of the device makes assembly and disassembly convenient without the use of special or any other kinds of tools. Ventilation by natural convection maintains electronic and electrical systems within acceptable operating temperatures.

Abstract: A luminaire housing is made exclusively or almost entirely of plastic material and contains an HID lamp together with its ballast and other components. A shallow, thermally conductive heat dissipating pan is mounted against the back of the housing and receives a body of fibrous insulating material, the pan being connected by a highly heat conductive member to the lamp reflector and a heat conductive support bracket within the housing to convey heat from the housing to the pan for dissipation to the ambient atmosphere.

Abstract: A lighting fixture adapted to be mounted between parallel ceiling support grids includes a series of latches at the corners. The latches are retracted responsive to movement of the fixture to a position above the support grids and are released automatically after the fixture is disposed above the grids to define grid engaging supports for the fixture.

Abstract: A recessed lighting fixture used in association with a suspended ceiling system made up of several spaced grid members. The lighting fixture is comprised of a fixture housing having means for supporting at least one fluorescent lamp and includes a relatively thin deflectable top plate which in turn may include a reflecting surface disposed over the fluorescent lamp. Means are provided for securing the fixture housing to the grid members. The louver assembly of the fixture is mounted in a simplified manner and includes a top portion designed to contact the deflectable top plate during insertion and a bottom portion including longitudinally extending sides designed to rest upon and be supported by the spaced grid members. The louver's bottom portions are insertable on the grid members in sequence, first one and then the other, whereby the louver assembly is firmly supported in the fixture housing without the requirement of additional hardware such as springs, latches or the like.

Abstract: A luminaire hanger includes a link having an opening to hang on a hook and a connector coupled to the lower end of the link for supporting an offset load. The connector has a circular boss which fits into a circular recess in the link, the two being clamped together by a bolt. The boss and recess are surrounded by serrations to prevent relative rotation when they are clamped together. When released, the link and connector can be angularly adjusted to put the suspension opening above the center of gravity of the load to support the load in a level fashion.

Abstract: The invention relates to an improved universal mounting for industrial luminaires fixtures containing high intensity discharge lamps. The luminaire mount of the present invention is adaptable to most of the accepted modes of mounting luminaries as specified in the National Electric Code. The luminaire mount includes a plate providing horizontal adjustment of the luminaire. The luminaire mount provides for enhanced safety during installation and maintenance. All current to the luminaire must be broken and the luminaire deenergized prior to removal from the mount.

Abstract: A lighting fixture and lamp mount therefor for use with lamps having prong-type connectors projecting from the back or side of the lamps which includes a lamp housing, a socket carried by the housing and a lamp carrier, the lamp carrier having a threaded connector connected to the lamp so that the lamp and lamp carrier can be screwed into the socket to energize the lamp and can be readily removed for lamp replacement.

Abstract: A quick install device for mounting a luminaire on a flat surface such as a ceiling, a wall or the like, is disclosed. The device comprises in the preferred embodiment a mounting plate which is fixedly attached to an existing outlet box in the ceiling or wall and a luminaire plate which is fixedly attached to the luminaire. The luminaire plate and the mounting plate contain means for quickly attaching the two plates together with the attached plates serving as a splice chamber for containing the electrical splices used in electrically connecting the luminaire to an electrical circuit. The mounting plate structure and the luminaire plate structure may be reversed in actual use as desired by the purchaser of the device for different types of luminaire mountings.

Abstract: A combination light and air ventilation fixture for suspended ceilings is provided. A surrounding frame forms the air supply and air exhaust ducts, in addition to supporting the light producing portion of the fixture. The air ducts are substantially identical in construction, each consisting of two planar, stamped formations, joined together, with the air passageway located therebetween. A separate U-shaped, stamped formation separates the different air ducts to complete the frame. These U-shaped members are provided with lower flanges, corresponding to the lower flanges of the air ducts, and thus appear visually continuous with the air ducts. Cast corner members join the planar formations of the air ducts to the U-shaped members, forming the completed frame. Placement of the fixture in the suspended ceiling support grid is assisted by placement clips attached to the frame, which are received by slots located in the ceiling grid.

Abstract: An improved lighting system for growing plants indoors, the lighting system comprising a means for continuously moving a high intensity light over the plants in a cyclic manner simulating daily exposure to the sun in a natural environment.

Abstract: A height-adjustable support arm with a parallelogram linkage has a stationary first articulated head and a second articulated head which is movable relative thereto, the second articulated head having a support bar connected thereto for mounting a device such as a hanging lamp. In order to avoid gaps in the exterior portion of the second articulated head, the movable parts thereof are surrounded by a flexible covering mounted on a tubular parallelogram leg at one end and at the free end of the support bar at its other end. The exterior dimensions of the covering correspond substantially to the tubular parallelogram leg and the interior dimensions are selected such that the second articulated head can move freely therein within an adjustment range.

Abstract: A chandelier that has, in addition to its conventional illuminating purpose, an audio system such as a stereophonic radio or a security system incorporated into its structure, the former to furnish, for example, music, while the latter has as its purpose to warn of unwanted intrusions and disasters, for example, such a fires, by means of stimulus-responsive warning signals. Control, sensing and energizing means may be provided within a common housing. The modular construction of the device makes assembly and disassembly convenient without the use of special or any other kinds of tools.

Abstract: An arrangement for mounting lighting fixtures is provided. The lighting fixture or a plurality of lighting fixtures in a row are mounted on carriages movably disposed on a horizontal rail. The lighting fixtures can be moved from an operating position to a maintenance position by means of a first rope connected to the utmost carriages, whereby the movement of the utmost carriage to the maintenance position will push the carriages in front of it with regard to the direction of movement to a position in which all carriages are positioned close to each other. The lighting fixtures can be moved from a maintenance position to an operating position by means of a second rope being connected to each of the carriages, whereby movement of the utmost carriage to the operating position by means of the first rope will pull the carriages behind it with regard to the direction of movement to a position in which all carriages are positioned a distance apart from each other.

Abstract: A recessed ceiling mounted lighting fixture is disclosed, characterized in the incorporation of improved mounting means for effecting connection thereof to a ceiling tile support grid. The mounting means includes spring projected latches which may be readily released to a grid engaging position by the installer and which automatically hold the fixture in a predetermined heightwise relation to the ceiling.

Abstract: A fluorescent lamp fixture has a pair of lamp socket assemblies which are normally retracted for shipment but which are pivoted outwardly for installation. The fixture comprises a channel member having a web with a pair of upstanding sidewalls and a pair of socket assemblies pivotally-mounted between the sidewalls. The sidewalls have aligned shaped apertures each with an entrance slot, and the base member has a pair of ear assemblies shaped to slide downwardly through the slots and into the apertures during assembly and to lock the socket assembly to the channel member when the socket assembly is pivoted through a predetermined angle. Cooperating latch assemblies are provided on the channel member and socket assembly for locking the socket assembly in its extended position. Closure plates are provided for the ends and top of the channel.

Abstract: An adjustable overhead lighting fixture having fixed elongated support runners, which themselves may or may not be lighting fixtures, and a plurality of elongated hanger fixture elements which endwise releasably engage and span any two support runners at any point along the length of the runners and which are electrified from the runners. Hanger fixture elements may be used to support and electrify other hanger fixture elements such that the fixtures can be arrayed overhead to meet a variety of lighting applications.

Abstract: A recessed incandescent lighting fixture has a faceplate and a wireway spaced from the faceplate for holding a bulb socket and for effecting the electrical connections to the fixture. A substantially cylindrical thermal protector is connected to the wireway by a wireway extension comprising a flexible metallic conduit; and a bracket is disposed on the rear surface of the faceplate for releasably retaining the protector and conduit thereat. The bracket comprises a base member, a first mounting member having a first slot therein for releasably retaining the thermal protector, a second mounting member having two arms forming a second slot for releasably receiving the minor root diameter of the conduit, and a spacing member disposed in the slots for deflecting the two arms relative to each other at an angle substantially equal to the pitch of the conduit thread.

Abstract: In a ceiling supported lighting fixture, an improved mounting device is provided, having clamping plates with a notch for receiving a ceiling support member. The clamping plates are mounted to the end plates of the light fixture in two parallel pairs to effect alignment of the notch and plate, and the ceiling support member can be locked in the notch to prevent inadvertent relative movement. The locking is carried out by a latch member which is pivotally mounted on the clamping plate and moved between a locking and an unlocking position. The lighting fixture is also provided with an improved ballast holder including a ballast hole in a wall of the fixture and two identical ballast mounting clips, each formed from an integral blank of spring metal receiving an edge of the housing under tension and a spring clamp extending from the gap to hold a ballast in place upon insertion into the hole and between the two clips.

Abstract: A track lighting system comprising an elongated track member including an upstanding web adapted to act as a support point for the system and to provide stiffness thereto. The track member defines a longitudinally extending recess having a throat portion communicating with the side opposite the web and generally exposed to the room in which the track member is to be installed. The system also includes a pair of insulated conductors each extending parallel to each other within the recess and on opposite sides of the throat and a lighting fixture adapted to be mechanically interlocked with the track member for physical support.

Abstract: In an integrated suspension ceiling it is disclosed in which a fluorescent tube type lighting fixture is supported from an directly over a runner forming a part of the grid of the ceiling system. The runner is provided with a central web and oppositely extending flanges extending from the sides of the web. The web is formed with an opening above which the lighting fixture is supported. The lighting fixture includes a ballast frame separately supported on the runner above the opening, a reflector positioned in the opening below the ballast frame supported directly on the runner and a louver mounted within the opening flush with the plane of the ceiling. Each of the frame, reflector and louver are separately supported and removable from the runner for installation and service. Because the lighting fixture is supported directly on the runner and is removably attached thereto, the lighting fixture can be installed after the grid is installed. The fixture does not provide an interruption in the ceiling system.