Abstract: A plug-in fluorescent lamp assembly including a lightweight (e.g. plastic) light box that is adapted to either rest upon the existing support grid of a conventional false ceiling in a flush mounted arrangement or be attached directly to the ceiling in a surface mounted arrangement. The lamp assembly comprises a prewired electrical receptacle that is fixedly connected to the light box. Formed at one end of the receptacle is a socket at which the pins of one or more fluorescent tubes are to be removably received. Located at the opposite end of the receptacle is a terminal block that is to be detachably connected to a commercially available electronic ballast by which to drive the fluorescent tubes. By virtue of the plug-in or modular characteristics of the lamp assembly herein described, either a fluorescent tube and/or the ballast may be easily removed and quickly replaced in the event of failure without having to remove the light box from the ceiling or disturb the wiring of the receptacle.

Abstract: A rotatable drop light assembly comprises three alternate embodiments which may be retro-fitted to different types of conventional drop light apparatus for selectively directing the light about a full 360.degree. radius while suspended from an anchor point. A first embodiment comprises a circular plate rotatably mounted to and spring biased toward the top wall of the light reflector/shield, with both including annularly spaced, raised protrusions which go into and out of aligned engagement upon rotating the housing with respect to the anchoring hook. In a second embodiment, a flanged bushing lockingly engages a non-circular aperture in a rotatable plate with the anchoring hook fixed to the bushing. In a third embodiment, a first plate is rotatably mounted to a second plate which is attached to and extends from the top edge of the light shield/reflector.

Abstract: A bicycle signalling assembly comprises a seat body having two cylinders constructed in such a manner that a circuit board can be fastened securely to cylinders without using a hand tool.

Abstract: A strobe light of a type suitable for safety, notification, and intrusion systems and the like includes a base, a lens having a generally cylindrical side wall defining an opening at one end, having an end wall at the other end and being attached at its open end to the base, and a lamp/electronics assembly mounted on the base and received within the side wall of the lens. The base has a generally planar main wall that is shaped and dimensioned such as to form closure for the opening of the lens side wall and having a front surface facing the end wall of the lens and a rear surface facing away from the end wall of the lens. A generally centrally located mounting boss having a threaded socket is adapted to receive a threaded mounting member.

Abstract: A vehicle headlamp consisting of a casing containing an illumination source, a bracket for connection to a vehicle, and structure for selectively attaching the bracket to the casing at different locations on the casing to facilitate connection of the casing to various style vehicles. A vehicle headlamp consisting of an illumination source; a reflector for focusing light from the illumination source; a casing having first and second joinable parts; structure on the first and second casing parts for snap-fitting the first and second casing parts into assembled relationship; cooperating structure on the illumination source, reflector and first and second casing parts for maintaining the illumination source, reflector and casing in operative relationship with the first and second casing parts in assembled relationship and for permitting separation of the illumination source, reflector and casing upon the first and second casing parts being separated from each other.

Abstract: A mounting arrangement for a vehicle lamp housing which includes an integral hold-down member having a lock arm cooperating with a pawl formed on a support panel and also having a contact foot insertable into a slot adjacent the pawl for locking the lamp housing to the support panel.

Abstract: An illumination device for illumination of the controlling elements of a remote control device for use in a darkened atmosphere. A bracket attaches to a remote control device and supports a lamp circuit and suitable enclosure in a position adjacent to the operating elements of the remote control. When the remote control is tilted, a gravity actuated switch completes the lamp circuit, thereby activating a lamp that illuminates the operating elements of the remote control. When the remote control is returned to a horizontal position, the circuit is broken and the lamp is deactivated.

Abstract: An assembly is provided which is portable and which includes a cuplike base having mounted therein an article such as a lamp unit. The base is provided with a cover which normally protects the article and renders the same readily portable and for storage. The base or the cover or both are provided with magnetic surfaces for mounting the article on a flexible panel such as the type formed of fabric or cloth mas may be found, for example, in a tent. In one embodiment, the article is a lamp unit which may be of several forms including a simple lamp socket suspended from the lamp cord. The lamp unit may also be in the form of a fixed lamp socket retained within the base by a special lens. On the other hand, the lamp socket may be carried by a plurality of arms which are pivotally mounted to one another so as to projectable from within the base to a depending position supporting the lamp socket.

Abstract: In a mounting structure for mounting a lamp base on the outer peripheral surface of a vehicle body panel, first members are mounted in mounting holes in the vehicle body panel, second members are mounted on restraining frames formed on the front face portion of the lamp base, and with a third member inserted from first in a first member mounted on a side portion of the vehicle body panel, the lamp base is pressed in one direction to thereby removably mount the lamp base.

Abstract: A combination side marker, clearance and reflex lamp for a vehicle. The lamp includes a base which is adapted to be connected to a vehicle. The base is provided with a recess, and a lens in combination with the base define a bulb chamber that houses a light bulb. The base portion of the bulb extends through an opening in the base and into the recess. A pair of electrical conductors are mounted on the base and extend into the recess and are connected to the base portion of the bulb. A resin is potted in the recess to encapsulate the conductors and the base portion of the bulb. The bulb chamber is hermetically sealed to prevent contact of moisture or water with the bulb.

Abstract: A crib light is provided having front and rear housing portions which cooperate to clamp the light to a horizontal rail of a crib. The rear housing portion may be removed to permit the front housing portion to be mounted flush to a vertical wall surface. In addition, a lens cover is provided adjacent to a light emitting aperture of the front housing portion for controlling the brightness of light emitted and a control circuit is further provided for automatically shutting the light off after a predetermined interval of time.

Abstract: A vehicle headlamp consisting of a casing containing an illumination source, a bracket for connection to a vehicle, and structure for selectively attaching the bracket to the casing at different locations on the casing to facilitate connection of the casing to various style vehicles. A vehicle headlamp consisting of an illumination source; a reflector for focusing light from the illumination source; a casing having first and second joinable parts; structure on the first and second casing parts for snap-fitting the first and second casing parts into assembled relationship; cooperating structure on the illumination source, reflector and first and second casing parts for maintaining the illumination source, reflector and casing in operative relationship with the first and second casing parts in assembled relationship and for permitting separation of the illumination source, reflector and casing upon the first and second casing parts being separated from each other.

Abstract: An assembly for supporting a neon tubing comprises a length of extrusion and at least first and second lenses supported in the extrusion. Preferably, the extrusion includes an angled bottom member having first and second legs. First and second wall members extend transversely to the first and second legs, respectively, of the angled bottom member, with each of the first and second wall members having a medial portion and an end. The extrusion further includes a service rail extending at an obtuse angle from the end of each of the first and second wall members, and the service rail includes a tapered medial portion and a retaining flange. Each of the first and second lenses are supported in a receving channel of the extrusion and has a predetermined length less than the predetermined length of the extrusion.

Abstract: A light fixture and/or bath cabinet is provided such that the bath cabinet can be surfaced or recessed mounted. Regardless of whether the bath cabinet is surfaced or recessed mounted, side covers and members are provided for covering the mounting hardware and sides of the cabinet and light fixture to present an overall aesthetically pleasing finish. The bath cabinet and light fixture generally avoid the use of hardware by utilizing extruded members which interlock together. When the bath cabinet is recess mounted, the light fixture is secured directly to the mounting wall directly above the cabinet. On the other hand, when the bath cabinet is surface mounted to the wall, the light fixture is secured to the top of the bath cabinet by a clamping member.

Abstract: An auxiliary brake lamp for motor vehicles comprises a holder which includes a track (7) which has a double-T-shape in cross section and which is adherable to a rear window. A lamp housing (2) is engagingly shoved onto the holder. A holding spring (5) arranged in the lamp housing clamps a first flange of the double-T-track between it and the housing. An electrical coupling of the lamp to a vehicle power supply is provided by a flat plug engagement device (12). That is, the double-T-track is electrically coupled with a current source of the motor vehicle and the holding spring is electrically coupled with a light bulb (17) of the lamp. A contact plate formed as a flat lug (11) as part of the first flange of the double-T-track produces a conductive coupling between the lamp and the holder by sliding contact on the holding spring.

Abstract: An industrial luminaire assembly having an electrical assembly and an optical assembly pivotally mounted and latched thereto for quick installation and removal. The optical assembly also providing for compression of its glass prismatic reflector to strengthen it, and including a bottom closure pivotally mounted to provide access to the interior of the optical assembly for relamping.

Abstract: A lamp, which has a light source and a fiber-optic light guide that is led, over part of its length, in the housing of a sewing machine, and whose end piece projects from the housing, is to be arranged on the sewing machine such that a desired machine part can be illuminated without the work area and the field of view of the sewing machine operator being disadvantageously affected by the lamp. To achieve this, the end piece of the fiber-optic light guide is adjusted to the shape of a housing part and is received on the housing part, hidden by the side of the housing part facing away from the housing.

Abstract: A safety beacon acting as a portable and self contained strobe light is provided for use in fire fighting and rescue operations. The purpose of the safety beacon is to enhance security and minimize the disorientation caused by darkness, smoke, or fog in a fire fighting, rescue, or underwater operation. The safety beacon is composed of a heat, chemical, water, and impact resistant casing which is joined to a lexan covered xenon strobe light. The safety beacon is activated by an insulated switch which draws power from a nine volt battery kept within an insulated housing. The safety beacon may be instantly attached to a ferrous surface by means of a magnet, suspended on a garment or other cloth substance by means of a velcro pad, and pierced into and fixed on to drywall by means of a spike attachment. A knurled wedge design allows the safety beacon to hold doors open for firefighters or to be inserted into the ground to mark position for an aerial landing.

Abstract: School bus warning light systems. Particularly an improved one-piece plastic fitting for supporting the sealed beam bulb in accordance with SAE photometric and durability standards. The fitting is characterized by its simplicity and ruggedness for securing and positioning the sealed beam bulb.

Abstract: An apparatus for mounting an electrical fixture to a support member includes a fastening member which is pivotally mounted within the housing of the fixture and extends through the housing. Deployment structure, such as a spring, causes a portion of the fastening member located outside of the housing to extend over the support member. Structure within the housing allows movement of the fastening member into contact with the support member to secure the fixture to the support member. Preferably, the mounting system includes a plurality of fastening members which can be moved into contact with the support member.

Abstract: A recessed lighting fixture including a housing having spaced apart generally vertical walls defining an interior and an open bottom end. The walls have generally vertical slots through them. The fixture has lip means for maintaining the bottom end of the housing against a lower surface of a ceiling. The fixture further includes a plurality of mounting members disposed on an exterior surface of the wall means. Each of these mounting members has a first end, an outwardly curved elongated body portion made of resilient material and a second end. The first end of each mounting member is attached to the housing near the bottom end of the housing. The second end of the mounting member extends at least partially through the slot into the interior of the fixture so that at least a portion of the second end is accessible from the interior through the open bottom end.

Abstract: Lighting fixture has a self-contained triangular junction box that mounts in the corner of a room or space with the box cover secured as a permanent part of the shade-like lamp housing. The lamp housing has a back panel with a cut-out that slips over the corner mounted junction box, the box cover extending into the housing for registration with the open side of the box when the housing is in place. A single screw joins the box cover to the box and thereby secures the lamp housing thereto.

Abstract: An indicator lamp employing a light emitting diode (50) with a pair of leads, which includes a PCB socket (53) to be mounted on a printed circuit board; a removable socket (1) having an insert portion to be fitted into the PCB socket; a first lead terminal (4) provided in the removable socket and having a resistor contact and a first lead contact for contact with one of the leads; a second lead terminal (5) provided in the removable socket and having a first contact portion and a second lead contact for contact with the other lead; a contact terminal (6) provided within the removable socket and having a second contact portion and a second resistor contact; and a resistor (7) provided within the removable socket so that the resistor is held between the first and second resistor contacts.

Abstract: An automobile signal lamp being mounted on the inside of a rear window of an automobile and including a lens member, a body member and a light source member which is disposed in a space defined between the lens member and the body member. Connecting portions are integrally formed on respective lens member and the body member, and which portions cooperate in connecting the lens member with the body member.

Abstract: A device arranged to be releasably mounting within a hole in a panel, e.g., a ceiling, to hold a lamp bulb and associated reflector or any other member therein. The device comprises a tubular body, a flange for engaging one side of the panel, and plural, equidistantly, peripherally-spaced, flexible arms for engaging the other side of the panel. Each arm extends outward from the body and is moveable from an extended position to a retracted position and vice versa. The arms are moved from the extended position to the retracted position when the body is pushed into the hole while being twisted about its longitudinal central axis in one rotational direction. The arms automatically move back to the extended position when the device is in place to hold the device securely within the hole. The device can be removed by pulling it out of the hole while twisting it about its longitudinal axis in the same rotational direction as used to insert it, whereupon the arms flex to the retracted position.

Abstract: A holder which is used for installing a part such as a light emitting diode on a printed circuit board, the printed circuit board having a connecting section and a pair of conduction terminals, the connecting section serving to mechanically connect the holder to the printed circuit board, the conduction terminals serving to electrically connect a pair of terminals of the part to the printed circuit board. The holder includes a fitting portion in which the part is inserted, a fixing portion extending from a lower rear position of the fitting portion, and a pressure portion extending rearward from the fitting portion.

Abstract: A horticultural luminaire in which a lamp is contained within a first compartment and a ballast unit is contained in a second compartment. The ballast unit is in heat-conducting contact with the top of the unit and a plate member also covers the ballast unit to act as an additional heat sink. The top of the luminaire housing may be provided with bracket members to facilitate mounting of the luminaire on a structural I-beam.

Abstract: A channel and locking end tip for vinyl tube strip lighting. The tip includes a locking nib which is positioned within a channel opening for preventing the tip from shifting relative to the channel. To remove the tip, its outer end is pivoted upwardly such that the locking nib is spaced slightly above the channel bottom wall. A screw hole is provided through the tip body and channel for mounting. The vinyl tube light overlies the flange when carried by the channel. The mounting screw is external of the lighting bed such that the strip light may be fully assembled by the manufacturer and installed by the user with minimum effort.

Abstract: A decorative light shade assembly comprising first and second releasably engageable shade sections injection molded from a polymeric material. At least one of the shade sections further comprises means for receiving a decorative bulb and socket assembly and means for frictionally engaging the electrical conductor connected to the decorative bulb and socket assembly for suspending the decorative light shade from the decorative light string. The use of molded apertures for directing light outwardly from the subject decorative light shade is also disclosed.

Abstract: A deck light (20) including a post (22), cap (24) and lamp/lens assembly (26). Lamp/lens assembly (26) independently attaches to post (22) and cap (24) so that lamp/lens assembly (26) can be removed and separately attached to a deck member; or, alternatively, either post (22) or cap (24), or both, can be attached to lamp/lens assembly (26) and the combination can be attached in a variety of ways to the deck. Preferably, lamp/lens assembly (26) is about 31/2 inches wide and about 11/2 inches deep so that it (either alone or in combination with post (22) and/or cap (24) can be flush mounted to various deck members in a variety of ways. In a preferred embodiment, a stake (100) can be attached to the bottom of post (22) so that fixture (20) can even be used as a stake light.

Abstract: A system for fixedly securing an illumination instrument to a ceiling of a building structure, comprises a flexible suspender adapted to be connected to an under surface of a slab of the building structure and extending generally vertically therefrom, a suspender grasping assembly for releasably grasping the flexible suspender to move therealong in a vertical direction and to be held at any desired height, and engaging member frictionally engaging with an outer periphery of the suspender grasping assembly to hold an illumination instrument support member at a temporal set position.

Abstract: A tail light assembly is provided for a vehicle. The tall light assembly includes a main body portion having tabs on the lower end thereof. A bracket, including a pocket, is secured to the vehicle to receive the tabs. The upper end of the main body portion is secured to the vehicle body by use of fasteners. The tail light assembly may be removed for service by removing the fasteners from the upper end and pulling the tabs out of the bracket pocket.

Abstract: An illuminator includes an illuminator frame having a cut-out portion in which a light source unit is removably positioned. The light source unit includes a cold-lamp light source supported in a plate-like member of the unit's frame. The plate-like member has extended portions which are also plate-like for fitting into guide slits formed in a light source unit supporting member of the illuminator. The supporting member has a retainer which helps hold the plate-like extensions of the plate-like member of the light source unit. The illuminator includes a power supply linked with a connector positioned so that when the light support unit is inserted into the illuminator in its proper position, a connector provided on the light source unit will connect the light source to the power supply. Thus, the light source unit can be removed from or inserted into the illuminator in a single step process.

Abstract: An interchangeable mount for a light housing or module adapted to be mounted on a video or film camera or other support surface includes interchangeable shafts, one of which is affixed to a thumbwheel rotatably mounted in the light housing. Should the camera be provided for the receipt of a threaded fastener to mount the light housing on the camera, the shaft received and fixed to the thumbwheel can have an integral, depending threaded connecting element received in the threaded bore in the camera to mount the housing, upon rotation of the thumbwheel. Should the camera be provided with a U-shaped clip in cross-section or "shoe" for mounting the light module, the shaft may include a threaded fastener or screw having an elongated head depending and threadably connected to the bottom of the shaft fixed to the thumbscrew.

Abstract: Disclosed is a light fixture assembly which includes a standard socket for receiving an electric light bulb and a sleeve with a cylindrical opening, the sleeve being rigidly mounted around the socket in order to conceal and protect it while at the same time supporting a lamp shade. The shade comprises a fixation collar sized to facilitate its insertion into the cylindrical opening of the sleeve. This basic structure which is known per se is improved in that the shade is rigidly fixed to the sleeve via the fixation collar by force-fitting male and female elements disposed respectively on the interior surface of the sleeve and the exterior surface of the fixation collar in order that the female elements receive the male elements when the lamp shade connection ring is forceably inserted into the cylindrical opening. Each female element is preferably disposed at the end of a circumferential groove opening at the leading edge of the ring to receive and guide the corresponding male element.

Abstract: A display case having a framework and a plurality of panels forming an enclosure for the displaying of merchandise is provided with a light fixture for highlighting the merchandise therein. The light fixture is positively mounted to the framework through fastening means which are accessed from the interior of the enclosure. Furthermore, the panels are mounted upon extruded supports which reduce manufacturing costs and ease reinstallation of the panels.

Abstract: A vehicle headlamp consisting of a casing containing an illumination source, a bracket for connection to a vehicle, and structure for selectively attaching the bracket to the casing at different locations on the casing to facilitate connection of the casing to various style vehicles. A vehicle headlamp consisting of an illumination source; a reflector for focusing light from the illumination source; a casing having first and second joinable parts; structure on the first and second casing parts for snap-fitting the first and second casing parts into assembled relationship; cooperating structure on the illumination source, reflector and first and second casing parts for maintaining the illumination source, reflector and casing in operative relationship with the first and second casing parts in assembled relationship and for permitting separation of the illumination source, reflector and casing upon the first and second casing parts being separated from each other.

Abstract: An LED lamp having a generally hollow cylindrical encasement having at least one opening therein allowing gases and fluids exterior to said encasement to freely circulate within the interior thereof for cooling purposes and including also embodiments wherein said encasement is screwthreaded, and/or is divided into sections with differing diameters.

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 lamp assembly suitable for use on a vehicle roof includes an elongate support member (11) of hollow cross section and a plurality of individual lamp units (12-17) secured to the support member at points spaced along the length of the support member. Electrical connecting leads (37) of the lamp units are disposed in the hollow interior section of the support member (11) and the lamp units (12-17) each comprise a body (31, 31a) housing the lighting assembly of the unit and having opposite ends closed by closure members (32) at least one of which is transparent. The closure members (32) of all of the lamp units (12-17) of the assembly are of similar shape, and the lamp unit bodies are of the same cross-section.

Abstract: A lighting fixture for providing security, safety and beauty which is constructed of an all wooden structure with a plastic lens which complementarily fits onto the wooden structure. The all wooden structure is preferred to be provided from a single block of wood that is of a type selected to match that of the proposed wooden structure environment of use. The block of wood is worked so that it acquires a central cavity in which only a base portion connects each remaining end of the block on either side of the central cavity. The ends of the block are cut to provide a fanciful appearance. A hole is made in the base portion, through which is inserted a lamp socket. The lamp socket is then secured to the hole. The electrical wire from the socket leaves the base portion from the exterior side. A light bulb is then removably placed into the socket. A translucent lens is then placed over the cavity, the lens following and complementing the exterior contour of the wood block.

Abstract: A rear-deck stoplight for automotive use is designed such that light emitted therefrom and reflected from the interior and exterior surfaces of the rear window passes beneath the rearview mirror of the vehicle so as to not hinder the driver's vision while braking. The light is separated from the rear window by a gap. A lens covering the lamp is generally angled with respect to the rear window, and a shade at least partially bounds said lens. The gap size, the lens angle and particularly the shade height are selected so as to limit reflected light to a region below the height of the rearview mirror.

Abstract: An assembly having a gaseous discharge tube and circuitry therefore that is operable for providing light signals for the control of traffic control lights. The assembly is mountable as a part of a light bar assembly of the type mounted on police vehicles. The assembly includes a U-shaped channel member having a hollow protrusion with an opening with the gaseous discharge tube and the reflector therefor secured to the U-shaped member at the opening with the circuitry, which is mounted on a circuit board, carried by a support member that is secured to the U-shaped channel member. The support member has a portion that prevents moisture from reaching the circuitry.

Abstract: A quick mounting arrangement detachably mounts a light fixture or the like in an overhead cabinet of a furniture article. Front and rear mounting ledges are located in the lower portion of the cabinet and are oriented to generally face one another. Two mounting pins protrude from the rear side of the light fixture, and at least one latch protrudes from the front side of the light fixture. Each latch includes a spring loaded slide pin, with a thumb tab to manually shift the slide pin from a normally extended position to a retracted position. During installation of the light fixture, the mounting pins are positioned on the rear ledge, each slide pin is retracted, and the front side of the light fixture is pivoted upwardly into the bottom of the cabinet. Each slide pin is then released to engage the front ledge to quickly and securely mount the light fixture in the cabinet without requiring any tools.

Abstract: A discharge lamp luminaire is disclosed having improved mounting means for electrical circuit components employed in the lamp ballasting circuitry. The improvement is attributable to a particular mounting bracket securing the electrical circuit component or components in place. A street lighting luminaire having such mount construction is also disclosed.

Abstract: This invention relates to a glass desk lamp having a lamp, a support and a base, the lamp including a plurality of rings and glass discs joined together by screws so as to form a transparent hood, two caps disposed on two ends of the transparent hood for receiving a bulb and a fixing stand. The support is a C-shaped member having an L-shaped connector at both of its ends for fixing the bulb, the base plates and glass discs and three connecting rods. The base plate has three notches formed for the passage of therethrogh of the connecting rods which are separated by with a distance therebetween, both ends of the connecting rods being provided with threads for engaging with bolts or nuts. The support extends between the upper connecting rods and the lower connecting rod and is disposed between the base plates to engage with nuts, thereby forcing the base plates to clamp the support tightly.

Abstract: A photographic flash lighting unit includes a tubular housing which is preferably hexagonal in cross-section and is defined by a plurality of elongate side faces, each of the side faces are provided with a coupling formation and are divided into a first plurality of faces having a male coupling formation, and a second plurality of faces having a female coupling formation adapted to matingly engage the male formations of like flash units, the faces are arranged upon the housing so that the male and female coupling formations alternate thereon. Locking members are provided on selected faces of the housing to prevent relative movement of matingly engaged housings. The housing is further provided with a flash lamp and a connector and associated circuitry to enable a photographic power supply to be connected to the housing for energization of the flash. An optional adapter cord allows the unit to be powered by power supplies of domestic as well as foreign manufacture.

Abstract: A diffuser frame of the type which suspends a diffuser under a ceiling light fixture which is mounted on a ceiling and has a position projecting generally downward from the ceiling. The ceiling light fixture portion has a lip projecting upward at an edge. The diffuser frame includes a torsion spring latch mounted on a first inner surface the diffuser frame and supporting tongues mounted on a second inner surface of the diffuser frame. The torsion spring latch can be latchingly connected to the ceiling light fixture for holding the diffuser frame in a closed position in which the diffuser and diffuser frame substantially enclose the ceiling light fixture with the diffuser frame generally abutting the ceiling. The tongues rest on the lip generally at its upper edge for supporting the diffuser frame on one side in the closed position. The diffuser frame moves to an open position when the torsion spring latch is disconnected from the ceiling light fixture.

Abstract: For the uniform illumination of rooms that have no special demands in terms of freedom of glare and reflective behavior, simply fashioned long field lamps are provided wherein a fluorescent tube is located in freely radiating fashion under a housing containing electrical components. The channel-like housing has a U-shaped cross-section and is mounted on an installation track fastened to a ceiling or wall and is provided with a cover on both face sides. In order to shorten installation time, the long field lamp has a simple structural design. A cover track representing the actual installation track is designed in common with end parts having plug-in ledges. These ledges plug onto narrow sides of the cover track to form a ceiling installation frame into which the housing is introduced from below and to which the housing is latchably held.

Abstract: A light which may be mounted in a corner is disclosed which utilizes a light cover having a unique configuration specifically designed to be quickly and conveniently mounted in a corner or like location, with any of several lighting arrangements being located in the corner under the light cover. The light cover is made of translucent material which will disseminate the light from a light source contained under the light cover, which consists of an essentially rectangular segment which is bent along one diagonal to form a configuration which will fit entirely in a corner. Either a fluorescent tube or one or more incandescent light bulbs may be used as the light source, which in the preferred embodiment is mounted in a socket apparatus which is installed in the corner on one or both of the surfaces forming the corner, thereby centrally locating the light source with respect to the light cover which is anchored to the wall or ceiling.