Abstract: A reflector/refractor device is provided for use with a variety of lighting fixtures and light sources. The reflector/refractor device includes a body having a predetermined profile and defining a cavity with the body having an inside surface and an outside surface. An illuminating source for emitting light is disposed within the cavity substantially along a central vertical axis of the body. The body includes a series of sectional zones for reflecting and refracting light. The exterior surface of the device includes a plurality of substantially vertical prisms consisting of reflective elements, refractive elements and elements that may be either reflective or refractive depending on light center location. These reflective or refractive elements act in combination to selectively vary light distribution characteristics of vertical and lateral angles, and intensities, by vertical displacement of the illuminating lamp source.

Abstract: This invention discloses an assembled lampshade which includes a sector shade, a plurality of spiral connectors connected to the edges of the sector shade, and a plurality of supporting members connected to the sector shade and spiral connectors to construct a firmly assembled lampshade. During transport and storage of this lampshade, all of the supporting members can be disassembled and the sector shade with the spiral connectors secured thereto can be flattened as a result of their flexibility. Therefore, the space occupied by the lampshade is significantly reduced. When necessary, the lampshade can be readily re-assembled without any special skills.

Abstract: A cardboard sheet whose faces have different light reflective characteristics is foldable into a self-standing configuration and includes an infinitely adjustable connection between overlapping parts of the sheet for adjusting the angular position of a light reflective portion of the sheet. In the preferred embodiment the infinitely adjustable connection consists of a permanent magnet mounted to one end section of the sheet and a ferromagnetic strip mounted to the opposite end section of the sheet, the magnet and the strip being in operative engagement when the two end sections are in mutually overlapping relationship.

Abstract: An insert strip which is detachably insertable into a receiver strip so as to form a plate shelf to retain the side walls of the plate glass panels of a lampshade. A lower support which has a retainer ridge which conforms to the shape of the lower wall of the plate glass panel and retains the plate glass panel therein. The lower support also has a catch on either end thereof which fits into and is retained by catch holes on an injection plate. The injection plate also has an insert strip cavity and retainer walls which retain the insert strip and the receiver strip, respectively.

Abstract: Packaging problems with decorative lamps are avoided through the use of a lamp capable of storge in a relatively small space while disassembled and yet capable of rapid assembly without the use of tools. The lamp includes a base in the form of a regular, truncated polyhedron having a plurality of faces, each adapted to receive a decorative glass panel. Threaded fasteners pass through holes in ends of the panels to be received in threaded bores in the base to secure the panels thereto and the base is provided with a central opening for releasably, threadably receiving an electrical socket.

Abstract: The present invention discloses an assembled lampshade which includes two sector shades, a plurality of spiral connectors connected to the edges of the sector shades which are secured to each other in a face-to-face position, and a plurality of supporting members engaged with the sector shades and the spiral connectors to construct a firmly assembled lampshade. During transportation and storage of this lampshade, all of the supporting members can be disassembled and the sector shades with the spiral connectors can be made flat due to their flexibility. Therefore, the space occupied by the lampshade is significantly reduced. When the user desires to use the lampshade it can be readily assembled without any special skills.

Abstract: A lamp shade comprising a plurality of panels having upper and lower edge portions and a panel support. A plurality of clips attach the panels to the panel support, with the panels being arranged in a circumferentially extending pattern. Each of the clips has a panel groove and a support groove for receiving edge portions of the panel and the panel support, respectively. Each of the panels includes a panel member and a border member extending at least part way around the panel member and having confronting ends. The panel groove of each of the clips receives an edge portion of an associated panel and the confronting ends of the border member. This at least assists in holding the confronting ends of the border member on the panel member.

Abstract: A lampshade made in accordance with this invention is characterized in that it consists solely of a plurality of comparatively thin sheets of a same shape corresponding to a front vertical cross-sectional view of the lampshade or a vertically cut out half of said view. Each sheets has strips which are aligned in parallel with each other, and each strip has a base portion located adjacently to an outer contour of the sheet and a free end located oppositely to the base portion. When the plurality of sheets bound together at least at upper ends thereof are framed to the lampshade, they extend radially outwardly with a desired angular distance therebetween and strips thereof bridge over the outer contours of the sheets.

Abstract: A warning light assembly suitable for vehicle roof mounting is built around an I-beam structural member and includes lens elements which engage and are readily positionable on the beam so as to span the flanges at both sides thereof. The light assembly may include lights having a wide angle radiation pattern which are comprised of intersecting linear parabolic reflector sections and flash tubes formed to follow the contour of the intersecting linear focal points, the tubes being supports with their axes coincident with the reflector focal points.

Abstract: The present invention relates to an illuminating device that will create a continuously moving ripple effect on the area illuminated. The device comprises a patterned endless belt transported on a pair of driven rollers. One side of the belt is illuminated preferably by a point light source. As the belt is driven, the patterns on the two sides pass each other in opposite directions. This creates a rippled light effect. The device is particularly well adapted for use with an aquarium to simulate underwater, the effect caused by ambient light shining through surface ripple and waves upon the bottom of a body of water.

Abstract: An interlocking lens structure comprising two opposed lens pieces is disclosed. Each of the lens pieces has a top portion including an edge having a first region formed with a groove and a second region formed with a projection. The first region of each of the lens pieces is adapted to mate with the second region of the other of the lens pieces. Each of the lens pieces further includes a side portion connected to the top portion and having two edges. One of the side portion edges is formed with a groove, while the other of the side portion edges is formed with a projection. The groove of each of the side portion edges is adapted to mate with the projection of the other of the side portion edges. The depth and the length of each of the groove/projection combinations can be varied to determine the amount of color separation between the lens pieces. The grooves and the projections also prevent light from escaping from the interior of the lens structure at the junction of the lens pieces.

Abstract: A knockdown lamp assembly (10) includes a shade (11) comprising a set of separate glass panel sections (12) surrounding an annular lower support frame (52) having an outer channel (60). Interlocking ribs (62) are located inwardly adjacent joints between adjoining panel sections (12) and block direct light from passing outwardly through the joints. The upper ends of the ribs (62) include offset portions (74) which engage slots (44) formed in a central support hub (42) spaced apart from the frame (52). The lower ends of the ribs (62) are received within the channel (60) and include ears (66) maintained beneath a channel shoulder (56) by outwardly adjacent hooks (68) connected to the panel sections (12). An upper holding cap (14) captures the upper portions of the panel sections (12) and a threaded rod (36) mounts the support hub (42) and holding cap (14).

Abstract: A signal lamp having in its housing with an opening, a bulb, an optical elements installed in the housing for converting the light of the bulb into parallel rays of light, a colored lens being colored differently in plurality of regularly disposed patterns, a slit plate installed slidably and provided with portions pervious to light corresponding to said pattern in shape and a solenoid, by which the slit plate is shifted and the radiated light is converted in its color.

Abstract: A lamp is provided for use on vehicles, which lamp is of the type wherein the light rays are projected forwardly in a predetermined pattern. The predetermined pattern is generated by virtue of a generally continuous grid of the reflector within the lamp, and the lamp does not need a prismatic lens system at the location where the light rays eminate from the lamp.

Abstract: A rigid, collapsible light box is disclosed. The light box comprises a back panel having an opening in which a light unit can be mounted, a rear side panel hingedly connected to each side edge of the back panel and a front side panel hingedly connected to each rear side panel. A light diffuser panel is hingedly coupled to the front side panels. The light box is collapsible to a stacked two-layer structure wherein the back panel and rear side panels form one layer and the front side panels and the light diffuser panel form the other layer.

Abstract: A lamp can be thrown alight from a distance by the person using it. The lamp comprises a polyhedral casing, made of shockproof material, inside which is housed a source of light that emits pluridirectional beams.

Abstract: Apparatus for use in the assembly of a lighting fixture. A retaining spring clip bracket serves as releasable locking support and positioning constraint for elongated arcuate lamp shade panels peripherally encased in a plastic molding, and usually of transparent or translucent material. Brackets may be removed so as to remove the panels for transport, cleaning or for other purposes. Panles are suspended from a panel supporting structure. The structural spring means of the spring clip bracket releasably grasps the plastic molding covered edges so as to hold parts together by the frictional forces resulting from the spring tension in the retaining spring clip bracket in contact with the plastic covered edges of the panels.

Abstract: A lighting fixture which comprises a light reflecting fixture case having a transparent wall disposed next to an opening to provide light outflow, a light source disposed in the fixture case, and a diffuser wall covering the light outflow providing opening of the case and which is attached to the transparent wall and which reaches to at least the outer face of the transparent case wall. Thus the face of the diffuser wall can completely be used as light providing surface. Preferably, the transparent case wall is covered with a thin layer of reflecting and opaque material.

Abstract: A light beam concentrating, intensifying and filtering device for use in combination with a parallel ray light source is comprised of a frame having a plurality of shutter leaves capable of opening and closing an aperature when actuated. Each shutter leaf is comprised of a colourless or coloured transparent portion and a portion that is coated on its inner surface with a reflective material.

Abstract: An extension, folding, or detachable lamp shade comprises a main shade and at least one auxiliary shades connected to the main shade but permitted to move with respect to the main shade. In one embodiment, the auxiliary shade is hinged to the main shade and may rotate with respect to the main shade. In another embodiment, the auxiliary shade is slidingly disposed in the main shade and may be retracted into the main shade. The lamp shade may thus be extended to a standard length for supporting a conventional fluorescent light tube, or reduced in length to facilitate packing and shipping.In another embodiment the main and the auxiliary shades may be selectively detached from one another and then re-assembled together by means of a fastening member.

Abstract: A vandal resistant security light fixture having a housing and a light which is serviceable and removable from outside the room in which it is installed. The housing has at least one surface which faces into the room and is open at the back to permit servicing or replacement of the light assembly without having to enter the room. The fixture is vandal resistant and is particularly useful in prison cells and may be provided with one or more vandal resistant switches and vandal resistant electrical receptacles.

Abstract: An ornament to be attached to a vehicle body such as automobile body to indicate a mark such as the manufacturer's mark for example. The ornament is of the self-illuminating type essentially made up of a base to be attached to an outer part of the vehicle body, a lamp such as an electroluminescent panel supported by the base and a cover which is a one-piece member formed of a transparent material attached to the base so as to entirely cover the lamp with a space therebetween. By processing of its inner side, the cover has a first area which is in a pattern corresponding to the shape of the mark to be indicated and allows the light emitted by the lamp to pass therethrough but in the daylight prevents recognition of the lamp from the outside, and a second portion which is contiguous to the first area and does not allow the light to pass therethrough.

Abstract: This modular light-diffusing or reflecting plastic panel, notably for photography, motion-picture and television, comprises a cut panel (1), of semi-rigid material having formed therein by pressing a series of grooves (2, 3, 4), oriented to permit the folding of the panel (1) in different planes in order to impart a three-dimensional configuration thereto with multiple faces; folding tabs and tongues (8, 9, 12) are formed along the panel periphery for assembling it with other similar panels or closing the panel. Various three-dimensional configurations may be given to this panel while preserving its stability in the upright position on a horizontal planar surface. This panel is very light in weight and capable of diffusing or reflecting light in all possible angular directions.

Abstract: The umbrella lamp assembly is adapted for mounting to an umbrella stem and includes a hollow body comprising first and second light transmitting shells. The shells are coupled together by an assembly which permits opening of the shells for placing the hollow body around an umbrella stem and which urges the shells toward each other. The shells have recesses at the top and bottom thereof for receiving and accommodating the umbrella stem in a frictional manner. A lamp is mounted in the hollow body and a mounting for receiving a battery is provided in the hollow body. A switch is mounted to one shell and is electrically coupled to the lamp and to a battery mounted in the hollow body.

Abstract: An improved optical system for the light point on an illuminated signal or display device having one or more light points. The system comprises one or more light deflectors optically coupled with the light source of the light point and focussing the light passing through the effective aperture of the deflectors towards a focal point or line, respectively, and one or more light shields arranged in the light path and provided with an aperture in the focal point or line whereas a plurality of the deflectors with the corresponding light shields may be arranged in the rows and columns of a display board. The mantle of the light shield frames a hollow in a manner that its mouth is facing the light deflectors and the mantle is under a bevel narrowing towards the aperture of the light shield and the mantle is arranged parallel to and encircling rays departing from the periphery of the effective aperture of the light deflectors and converging into the focal point or line.

Abstract: Two nested downwardly diverging frustoconical lamp shades are supported at their upper ends by a base which also supports a lamp bulb. The shades have openings therein which, when aligned by adjustment of one of the shades, passes a beam of light from the bulb to a reading or like area. The intensity of illumination can be controlled by changing the extent of overlapping of the openings. Shade elements extend across the lower ends of the shades and have openings therein. One of the shade elements is adjustable relative to the other to move the openings therein in and out of register with the openings in the other element whereby to vary the intensity of illumination of light projected downwardly by the lamp bulb.

Abstract: A lens element for a vehicle lamp, e.g. a direction indicator lamp, consists of a molded transparent plastic body provided with parallel rows of projections each of which has the form of part of a body of revolution of a cylindrical mid-region and end regions which each have the form of part of the body of revolution of the mid-region.In order to produce the required light output in the direction of the longitudinal axis of the vehicle in the case where the lens element is used in a lamp assembly having a relatively inefficient reflector, the lens element is provided with a plurality of ribs which extend parallel to the rows of projections and which are longer than the projections. The ribs preferably alternate with the rows of projections and may extend for the whole or only part of the length of the lens element.

Abstract: A lighting facility which includes spaced parallel end plates having a light assembly extending therebetween. A flexible cover extends between and is supported by the end plates so as to be rotatable entirely about the light assembly.

Abstract: Apparatus for controlling reflected radiant energy to progressively vary distribution of the reflected radiant energy between spot and flood configurations comprises a housing body having a reflector surface, a lamp mounted in the housing body at the focal point of the reflector surface, and a dual light transmitting unit supported at an outer side of the housing body. The dual light transmitting unit includes a light transmitting disk component of circular shape fixed in abutting relation to the housing body, and a light transmitting disk cover component mounted for rotative movement about the central axis of the housing body and against the light transmitting disk.The light transmitting disk component is of generally circular shape and has an inner portion removed to form a substantially semi-circular opening.

Abstract: A light distribution louver for a lighting fixture wherein the louver together with supporting apparatus closes at least the bottom of the light fixture. The louver may be of unitary construction or preferably formed of individual louver sections or sectors depending upon the shape of the supporting apparatus. The louver sections or sectors may have fixed or movable vanes and in the case of sections, they may be positioned in a variety of orientations to attain varied light distribution characteristics. The invention further contemplates a structure wherein the supporting apparatus encloses the lighting fixture to afford more complete protection.

Abstract: An adjustable shield for a lamp, a camera, a viewing screen, or other interface, comprising at least three shield panels hinged to a rectangular base and a series of corner units, each composed of two corner panels, bridging the corner gaps between the shield panels; each corner panel is slidingly mounted on one end of a shield panel by guide means, in one instance a series of pin and slot guide connections that continuously maintain the corner panels and shield panels in pivotal alignment and that also define an outer limit for angular movement of each shield panel. For maximum angular range, the corner panels of each corner unit are hinge-connected. In an alternate construction, pivotal connections for the corner units are employed in the guide means. Friction pads on the shield panels, engaging the corner panels, may be used to increase the friction contact area.

Abstract: A cover plate for vehicle lights, especially taillights of automotive vehicles, which includes an outwardly oriented surface of the cover plate which, as viewed in a vertical section, is fashioned of a meander shape. At least a part of the horizontal lying areas of the cover plate are made to be at least extensively opaque by, for example, a dark surface coating or dark inserts which are integrally cast or injection molded into the horizontal areas of the cover plate.

Abstract: A battery-powered lamp has a box-like casing with a top and side walls for housing at least one battery. At least one of the side walls has a depression which provides a generally planar depressed portion having an opening therethrough. A light source is supported in the casing. A lens, through which light from the light source can be transmitted, lens has a peripheral rim which is a friction fit in the opening. On its peripheral rim it has a plurality of ratchet-like teeth mutually spaced around the lens periphery. They make snap fits with and locate behind the material of the side wall bounding the opening so as to resist lens removal. Outside the peripheral rim of the lens is a surrounding flange which limits the depth of insertion of the lens in its opening. The side wall bounding the opening has a plurality of spaced notches which register with the lens teeth to prevent rotation of the lens relative to the opening. The lens teeth are triangular in configuration and are integral with the lens rim.

Abstract: In a container comprising a plurality of panels held together by a support system having stiff collars at the corners of the panels and connecting members connecting together groups of said collars. At least some of the connecting members are elastic members, as a result of which the support system holds the panels together into a container of a desired polyhedral configuration under the tension of the elastic members. The collars and the connecting members of the support system may be preassembled or kept separate from each other. In either case they can be compacted to a small size for storage, packing or shipping in such state together with a stacked pack of the panels to be used therewith, permitting final assembly of the panels to the support system by the ultimate consumer in a very short time without the need for tools. There results a decrease in space and fragility during storage, shipping and handling, with attendant cost savings.

Abstract: The shade assembly for use in a lighting fixture is characterized by a knockdown construction so that it may be easily disassembled for purpose of storage or transport. The shade assembly is in the general form of a regular polyhedron and includes a set of at least three flat trapezoidal windows arranged in a closed figure with their short sides on top and their long sides on the bottom. A base member is centrally disposed in the region above the windows. There are also a set of at least three ribs, each rib extending along the juncture of two of the windows and having its upper end removably secured to the base member. Each window is removably secured to the two adjacent ribs.

Abstract: A novel lampshade concept, in formation and assembly. Support means support a pair of bowed sheets of design panels, achieving an inwardly-illuminated effect for the design, thus providing that many decorative sheet panels, such as are provided for place mats or wall pictures, may be conveniently used as lamp shade components with no assembly task except merely inserting them into support grooves, with no glue or other fastening means whatever being required.

Abstract: A lampshade for mounting on a lamp for varying the illumination intensity of the lamp which allows flexible lampshade panels to be removeably mounted in various shapes to a frame. The frame includes a plurality of rigid, vertical support members with each support having a pair of arcuate shaped rigid supports which form a concave frame recess for receiving one side edge of a panel which is inserted between adjacent frame members. In an alternate embodiment, a flexible connector having a pair of arcuate walls connected by a central wall perpendicular thereto is disposed in a slot in a rigid vertical support member which allows for flexibly tensioning panels connected thereto along their sides. In either embodiment the particular final shape of the panel between adjacent frame members may be altered depending on the distance between the support members and the size of the panel inserted therein.

Abstract: A lamp assembly, particularly intended for use on a motor vehicle, comprises a reflector which receives a light bulb, and a first lens element which overlies the reflector and which has formed on one surface thereof a multiplicity of individual lenses. A baffle is secured to the opposite surface of the first lens element, and includes a multiplicity of light-transmitting portions each of which is disposed on the optical axis of a respective one of the individual lenses and whose extent is limited to that necessary to transmit substantially the whole of a pencil of light rays which is focussed by the respective individual lens. The remainder of the baffle is light-obstructing. A second lens element overlies the first lens element and the baffle, and also includes a multiplicity of individual lenses which are in no particular registration with the individual lenses of the first lens element.

Abstract: In a lamp shade of the type comprising a plurality of panels, preferably glass panels, held together by a support system having stiff collars at the corners of the panels and connecting members connecting together groups of said collars, some of the connecting members are formed as elastic members, as a result of which the support system holds the panels together into a lamp shade of a desired polyhedral configuration under the tension of the elastic members. The support system may be preassembled and compacted to a small size for storage, packing or shipping in such state together with a stacked pack of the panels to be used therewith, permitting final assembly of the panels to the support system by the ultimate consumer in a very short time without the need for tools. There results a decrease in space and fragility during storage, shipping and handling, with attendant cost savings.

Abstract: A light distribution louver for a lighting fixture wherein the louver together with supporting apparatus closes at least the bottom of the light fixture. The louver may be of unitary construction or preferably formed of individual louver sections or sectors depending upon the shape of the supporting apparatus. The louver sections or sectors may have fixed or movable vanes and in the case of sections, they may be positioned in a variety of orientations to attain varied light distribution characteristics. The invention further contemplates a structure wherein the supporting apparatus encloses the lighting fixture to afford more complete protection.

Abstract: A lamp having a treated lense for reducing peripheral glare thereby making the lamp useful as a driving light, fog light or spotlight. The treated lense is provided with opaque pigment around the periphery of the lense and the center portion thereof to form elliptical shaped aperture for more acutely defining the desired beam pattern.

Abstract: An improved lamp shade having a plurality of glass panels each having a plurality of side edges which are angularly inclined to one another to form corners therebetween, including a panel support structure consisting of a corner collar extending about the corners of each panel and connector means for interconnecting the collars to secure panels with respect to one another. The connector means consists of an elongated body disposed within a narrow passage between adjacent panels. The connector means has hook-shaped portions at either end thereof connected to adjacent corner collars of adjacent panels to connect the panels together. The elongated body of the connector means has abutting surfaces disposed at opposite sides thereof extending longitudinally thereof in a face-to-face abutting relationship with each of the adjacent side edges of the glass panels to maintain the side edges of the panels in a spaced parallel relationship.

Abstract: The shade assembly for use in a lighting fixture is characterized by a knockdown construction so that it may be easily disassembled for purpose of storage or transport. The shade assembly is in the general form of a regular polyhedron and includes a set of at least three flat trapezoidal windows arranged in a closed figure with their short sides on top and their long sides on the bottom. A base member is centrally disposed in the region above the windows. There are also a set of at least three ribs, each rib extending along the juncture of two of the windows and having its upper end removably secured to the base member. Each window is removably secured to the two adjacent ribs.