Abstract: An elevator cab having a drop ceiling suspended from the cab canopy. The drop ceiling includes a skeleton frame and a plurality of metallic pan members carried by the frame. Each pan member includes a sheet metal member having a lower decorative side viewable from inside the cab, and an upper side having reinforcing and stiffening brackets to which one or more down lights are attached and centered over openings in the sheet metal member. The upper side also carries slidable clip members along the edges of the sheet metal member, with the clip members, when actuated from a retracted to an extended position, securing the pan member to the frame by sandwiching a frame element between the lower sheet metal member and the upper clip members. The sheet metal members of the pan members butt tightly together to conceal intermediate angle members of the frame, and the outer edges of the pan members conceal perimetrically arranged angle members of the frame.

Abstract: A lighting device for an elevator car including light sources for emitting light toward the interior of the elevator car and a spectral resolution filter spaced apart and facing the light sources for spectrally resolving the light emitted from the light sources into spectral light with varying colors. The light sources may take the form of a combination of a mirror ball with reflecting surfaces on its outer periphery and a light projector or the form of a plurality of point light sources mounted in a dispersed pattern. The spectral resolution filter may take the form of a flat half mirror surface of a semisphere.

Abstract: A mausoleum for cremated remains includes linear and columnar displays of arrays of transparent display vessels which are relatively small but illuminated to have individual prominence as well as a pleasing aesthetic effect. The vessels rest on linear and columnar displays in secured positions but can be rearranged if desired. The enclosure may be of cruciform outline so as to provide visual variety and to permit expansion in a natural manner.

Abstract: A mounting mechanism for connecting a light box to a telephone enclosure includes a first bracket, a second bracket and an optional back plate. The device permits installation of a light box in the field by one individual working alone, using no tools other than a screwdriver.

Abstract: A support assembly includes a plurality of linear supports each of which is formed of at least three longitudinal members juxtaposed in a predetermined substantially parallel relationship to one another networked together with brace means. At least two linear supports are connected by way of a set of curved connecting bars to give a shaped overall structure. In other aspects of the invention mounting brackets for use in connection with, for example, the inventive assembly are disclosed. One bracket is for mounting atop a triangular section while another bracket is substantially triangular at one end and extends laterally to a common support point distal to a substantially vertical supporting member.

Abstract: In order to provide a pleasing aesthetic appearance, and also in order to enable concealed, directional lighting to be used, an openword grid-like suspended ceiling system has outer squares which contain four inner blades forming an inner square surrounded by four rectangles. Light fittings are associated with the rectangles so that the axis of a light fitting can be inclined. In order to enable the ceiling system to be packaged at low packing density, the four inner blades are hinged to each other and collapse so as to lie parallel to each other. After opening out, they can be hooked into the sides of the outer squares.

Abstract: A panel partition arrangement for domestic garages, for forming an alternately usable family sports center in the form of a recreation chamber within the space defined by domestic or family home garages and the like that are usually equipped with the familiar overhead type sectionalized garage door, in which the partition arrangement is mounted inside the garage to form with the door in its lowered position a recreation chamber within the garage for accommodating family oriented recreations such as playing ball type game sports and the like, with the garage door sections being faced on their inner sides to be in flush relation in the closed position thereof, and vertical walls being provided to form the side walls and inner end wall of the recreation chamber, of which the indicated vertical walls are flush surfaced, and the floor is obstruction free, for defining the recreation chamber, with the indicated vertical walls optionally being formed to define closet or other storage space that is normally closed at

Abstract: Angular sections form frames which can be fitted together in the frame plane in modular fashion. Legs of the sections are formed so that through two interconnected legs of adjacent frames notches of T-shaped cross-section result, into which hammer head-shaped ends of pull rods can be introduced. By means of the pull rods, ledges can be pressed against filter and/or light fixture housings, which in this manner are pressed against legs of the profiles on the opposite housing side, adjacent frames thus make it possible in a correspondingly compact model to attach filters and light fixtures without the distance between two adjacent filters or between a filter and a light fixture occupying a width that would impair the flow profile of the air issuing from the filters.

Abstract: Ceiling construction for clean rooms in which beneath a main ceiling (3) a lower ceiling (18) is mounted which is formed by a light and air permeable capillary structure (19), so that, with a high light transmission factor in respect of optimal and simultaneously dazzle free illumination of the clean room a turbulence-free laminar air flow is possible in the clean room.

Abstract: A ceiling module includes a ceiling-defining sheet of material and an overlay spaced above and parallel with the ceiling-defining sheet. The overlay is secured to the ceiling-defining sheet along the periphery of the ceiling-defining sheet and also at positions spaced inwardly from the periphery to support the ceiling-defining sheet.

Abstract: A stage capable of rapid assembly and disassembly is provided for a traveling show. Through the use of appropriate vertical columns, main trusses and I-beams, a support structure is formed for the stage. Appropriate lighting and curtain structures are then supported from the I-beams. Collapsible tables provide a stage area.

Abstract: A retail footwear assembly including a storage zone containing a stock of shoes and a customer service zone. The customer service zone includes a service counter over which shoes can be passed, a walkway for sales personnel adjacent a first side of the service counter and communicating with the storage zone and a customer fitting area including seating adjacent a second side of the service counter opposite the walkway. In a first preferred embodiment, the storage zone is separated from the customer service zone by a partition, which defines a passage communicating with the walkway. In a second preferred embodiment, the storage zone includes high density shelving adjacent the walkway opposite the service counter.

Abstract: A grid which produces a vaultlike appearance on one side comprises a first series of parallel plates extending in one direction and a second series of parallel plates extending in the direction to intersect the first series of plates. At least one of the series of plates is generally concave on the one side; when only one series of plates is generally concave on the one side a tunnel effect is produced with the side edges generally concave, but when both series of plates are generally concave on the one side, a dome appearance is produced. The grid may be used as a ceiling grid and illuminated, if desired, or as an upright partition or divider placed on one edge. The opposite edges of the plates may be equidistant, including any deviations from a curve on which the edges may be laid out. A series of scallops, concave on the one side and convex on the opposite side of each plate may have the length corresponding to the distance between intersecting plates.

Abstract: The shop such as a newspaper kiosk, may be installed on the pavements of towns for selling periodicals and newspapers.The kiosk is so arranged that it permits an excellent display of the products in a region sheltered from wind and rain. The kiosk comprises a cell of trapezoidal shape the small base of which forms the rear wall (1) and the large base of which forms the openable front wall (4).This cell comprises a supporting structure formed by at least four main posts (6 to 11) located at the four corners of the trapezium and interconnected by cross-members and by a roof framework. These posts act as supports for mounting product display box structures (5-7-8).The kiosk is mainly used for the sale of newspapers, magazines, periodical or books.

Abstract: A solar display kiosk particularly to a display kiosk that during day time conditions is illuminated by the sun. It provides, in its preferred embodiment, a closed cylindrical member placed in the vertical position with an open or a closed but light transmissive upper end, which acts as a receiver for solar or ambient light. A circumferential band at the top of the kiosk acts a shading member to place regions immediately beneath such band into shade either totally or in part (umbra and penumbra). Translucent display materials are mounted in the walls of the cylinder in the zones of umbra or penumbra. To the viewer they appear to be highly illuminated, the illumination coming from the solar light entering into the center of the cylinder.

Abstract: A structural deck especially suited for floors and roofs. It comprises an undulating metal structure having substantially horizontal bottom walls and top walls interconnected by downwardly and outwardly tapered, substantially flat side walls. Doved-tailed flanges are provided on the top portions of the side walls to interlock with concrete poured above. The inner surfaces of the dove-tailed flanges serve as supports for accessories, such as insulation, lighting fixtures and the like. The bottom portions of the side walls have outwardly extending doved-tailed flanges serving as supports for readily detachable closure caps having varying shapes, especially for aesthetic purposes.

Abstract: System for decoration of interior walls consisting of a panel to be located adjacent a structural wall, a plurality of first brackets mounted on the structural wall, and a plurality of second brackets mounted on the rear surface of the panel.

Abstract: This outdoor telephone booth has translucent side panels which extend substantially the full height of the booth. The side panels, and front and rear header panels as well as the interior of the booth are illuminated through a diffuser by a single source of illumination. The diffuser has a horizontal panel as well as two oblique side panels disposed at 30.degree. with respect to the vertical for substantially uniform illumination of the full-height side panels of the booth. The sloping panels of the diffuser are held down by snap-in retainers, eliminating separate fasteners, and making the diffuser highly resistant to tampering. The illumination assembly depends from a bridge which extends across the upper end of the booth. The bridge is held down by a removable cover.

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: The mast has a housing arranged to be mounted on the roof of a vehicle such as an emergency vehicle at the usual location of a vehicle light bar, whether or not a light bar is associated with the mast housing. A seal unit is located at the lower end of each telescoping mast section engaging the next outer mast section. The seal unit leaves the lower end of all mast sections unobstructed so that a tubular passage is formed from end to end of the mast. A retractable power supply cable is located in the passage of supply power to the electrical appliance mounted on the top of the mast. There are electrical plug connectors at each end of the mast for releasable connection with the electrical fixture at the top and with the vehicle power supply at the bottom of the mast. The mast is mounted on an offset pivot which simplifies the pneumatic-actuating system which tilts and telescopes the mast, and also enables the mast to tilt by gravity from telescoped retracted vertical to stored horizontal position.

Abstract: An elongated channel-shaped structure, preferably of anodized extruded aluminium, is suitable to form the load bearing beam of a false ceiling assembly, in particular comprising absolute filters for the so-called "clean rooms". Such a structure is U-shaped and comprises an elongated and uninterrupted central slot or groove for the fixing to the ceiling, with the concavity of the U-shape directed downward, having outer lateral finnings for the cooling, outer grooves and projections for the coupling with transverse spacers and for supporting absolute filters, as well as inner grooves and projections for supporting electric lines, pipes and other devices and systems. There are also provided extension members directed downward, to be fastened to said structure and having further support and guide fit grooves.

Abstract: Thin gage pre-creased and pre-punched sheet aluminum is cut to length from a supply roll on the job site where light fixtures are recessed in a ceiling containing combustible insulating material. The thin sheet metal is readily formed into a guard or dam of the necessary size and shape and placed around the recessed light fixture to prevent the insulation material from coming into contact therewith. Bendable tabs along one edge of the sheet material form bottom anchoring elements on the guard which can be stapled to the ceiling structure. The guard or dam is held in its erected form by screws or other fasteners engaging in the pre-punched openings of the sheet material. The guard is open from top to bottom and a generous air space is provided between the side wall of the guard and the light fixture.

Abstract: A method and apparatus for producing a honeycomb pattern of projecting frameworks from a drop ceiling utilizes cardboard rectangular frameworks having four side walls with respective hinged locking flaps along a top edge of the side walls. As the cardboard frameworks are inserted from below into rectangular support frames of the drop ceiling, the hinged locking flaps are pushed flush against outside surfaces of the framework side walls until they clear the support frames. After clearance is achieved, the locking flaps assume a locking position wherein they abut against a corner formed by T-section channels of the drop ceiling defining the support frames.

Abstract: A luminaire support apparatus for suspending and selectively positioning a pendant luminaire from a suspended ceiling is disclosed. The luminaire mounting stem may be positioned directly beneath a support member of the suspended ceiling. The support apparatus includes a base for carrying a ballast and an electrical junction box, and is selectively positioned between adjacent, parallel support members along a first axis parallel to the ceiling. A bracket which receives the luminaire mounting stem is mounted to a cylindrical stem projecting through a ceiling tile. The bracket receives a lower end portion of the stem, normally axially aligning the mounting stem with the cylindrical stem or offsetting the axial alignment should the mounting stem be positioned directly beneath the support member. The base receives a pair of clips selectively along a second axis parallel to the ceiling and perpendicular to the first axis. The clips mount the upper end portion of the stem to the base.

Abstract: A medical power service column for use in a hospital room for supplying electrical power, lighting and gases and also for providing a centralized support for medical equipment. The medical column comprises a base, a wall enclosure and a top cover all having a unique flat-cornered cross-sectional shape. The flat-cornered triangular shape of the medical column allows free access to a patient in a hospital bed while supporting medical equipment in close proximity to the patient.

Abstract: There is described a lighting panel for a drop ceiling of the type in which a plurality of T-frame members are arranged in a grid, forming a pattern of rectangular openings with ceiling panels supported in the openings by the grid. The lighting panel has an outer frame which is slightly smaller than one of the openings, with a light diffusing panel mounted in the frame. The frame is supported from the grid frame members by a pair of support members that project from the outer frame at opposite ends of one side, the projecting support members allowing the one edge of the outer frame to be supported with the panel in a vertical position. The panel is rotated up into a horizontal position within the grid opening and latch means secures the free edge of the outer frame to the grid frame member to hold the lighting panel in place.

Abstract: A rectangular boxlike member containing a light to be applied to the exterior of a building between studs e.g. at the sides of a door or window; a cover for the box, said cover being connected thereto and having a translucent panel of plastic or glass to emit light, said cover extending for roughly twice the length of the box so that the illumination is aligned with the upper part of the door or window, conforming thereto. The rest of the cover is opaque and extends to the ground level or to the bottom of the door or window.

Abstract: A retail store arrangement having perimeter walls and a floor and ceiling, has the perimeter walls enclosing at least two sides of the store area and joined by a cross wall to enclose a selling area. Wall mounted display cases are disposed along at least one of the perimeter walls with the perimeter walls terminating in end display units. Freestanding display cases are disposed in spaced relationship with respect to the perimeter walls and, in some embodiments, further freestanding display islands are provided in the selling area. The store is characterized by a unique combination of reflective surfaces on the ceiling and on at least part of the wall surfaces and vertical surfaces of the various display units and a combination of two basic colors which are utilized on some of the vertical surfaces to provide a "first" color and on some of the vertical surfaces and the floor surface to provide a "second" color.

Abstract: A dam assembly for preventing the build up of thermal insulation around a recessed lighting fixture in the attic space of a building which includes a plurality of fire-proof, pre-cut panels which may be joined together at the site by clips so as to surround the portion of the fixture extending into the attic space and allow free circulation of air thereabouts so that excessive heat build up is avoided. The dimensions of the pre-cut panels are such that joist spacings of 16 and 24 inch on centers can be accommodated.

Abstract: A mounting bracket comprising two cooperating elements pivotally mounted together for pivotal movement between a first open position to dispose the bracket around a support beam or the like, and a second closed position at which the mounting bracket is securely held in place on the support beam. The two cooperating elements each include an engagement wall portion for engaging the support beam and a bearing wall portion for supporting a fixture, such engagement wall portions and bearing wall portions, respectively, being separated, at the first open position of the cooperating elements, and being adjacent one another in coplanar relationship at the second closed position of the cooperating elements.

Abstract: A device for mounting and supplying electrical power to a luminaire. The device includes three connectors mounted in a housing. The connectors on the device electrically interconnect two cables and a lighting circuit in the luminaire. Power is applied from one cable through the device to the luminaire and to the other cable which supplies power to another luminaire. A bracket on the top of the housing for mounting the device to a building structure is adjustable to compensate for fixture balance and the weight of the cables connected to the device. When the luminaire is releasably attached to the device, one of the connectors on the device engages a mating connector on the luminaire for energizing the lighting circuit. The luminaire can be detached from the device without interrupting power to other luminaires in the same circuit.

Abstract: A device for mounting and supplying electrical power to a luminaire. The device includes two connectors mounted on opposite sides of a housing which is mounted on the luminaire. The connectors on the device are wired to electrically interconnect two cables and a lighting circuit in the luminaire. Power is applied from one cable through the device to the luminaire and to the other cable which supplies power to another luminaire. A bracket on the top of the housing for mounting the luminaire in a building structure is adjustable in a direction extending linearly between the connectors to compensate for fixture balance and the weight of the cables connected to the device.

Abstract: A prefabricated wall structure that is used in pairs to define a confined space therebetween in which a beauty operator may perform work on a patron, with each of the wall structures capable of being removably secured to a vertical and horizontal structural member that are in turn affixed to a wall and floor of a building in which the business of a beauty salon is carried out. Each wall structure includes a first mirror, lighting means, and numerous drawer means to removably hold all the accessories a beauty operator may need, and also wells in which bottles of liquids such as lotions and the like that may be needed by the operator. When the accessories are not in use they are held in concealed positions within the wall structure. The pair of wall structures have a mirror extending therebetween and preferably at least partially support the same, with the mirror adjacently disposed to the portion of the wall of the building most adjacent the pair of wall structures.

Abstract: A suspended ceiling comprises a plurality of prefabricated coffer-type modules which are independently and adjustably suspended from the overhead building structure by hanger wires connected to eye-bolts mounted at the corners of the individual modules.Panels are provided between the modules to effect interconnection thereof and to complete the ceiling structure.Air handling openings are provided in the module frames and lighting fixtures may be mounted within the modules.

Abstract: A ceiling mounted support structure for mounting light fixtures, louvers, and the like, including at least one support piece mounted or supported by at least one building ceiling support, the piece having an elongate slot therein in which an enlarged end of a flipper bar rotates. The flipper bar rotates upwardly to permit the fixture part to be supported to pass upwardly therepast and rotates downwardly to provide the in-place support for the fixture part.

Abstract: A decorative drop ceiling including a panel having a plurality of openings therein disposed between a source of light and an area to be illuminated. A light transmissive lens is disposed in each of the openings. Each lens has a predetermined thickness dimension, which is not dictated by the thickness of the panel. The lower face of each lens is co-planar with the lower surface of the panel. The periphery of the lens is recessed, and fasteners, disposed in the recess, fix the lens in the opening.

Abstract: An improved relocatable wiring system for supplying lighting and power to a floor area in a building is disclosed. A plurality of lighting fixtures installed in a ceiling structure for lighting the floor area are connected in one or more branch circuits. Each branch circuit is defined by a plurality of plural conductor branch circuit cables which distribute power to the fixtures. Connectors are permanently attached to the opposite ends of each branch circuit cable. A connector at one end of a cable is joined to a connector on the next cable in the branch circuit by a circuit connector module having two receptacles keyed to receive and interconnect the two connectors. The circuit connector module also has a connector which mates with a receptacle permanently attached to a lighting fixture, which connector is in turn connected to a lighting circuit in the fixture.

Abstract: An overhead ceiling structure with an integrated fixture hanging assembly, the fixture hanging assembly being supported by a yoke means bridging a pair of adjacent ceiling frame rail members and comprising improved clips or mounts adapted to permit the installation of a continuous row of fixtures.

Abstract: A light fixture support is provided comprising a support bar having slots at the extremities which cooperate with inverted "T" members forming the framework for a conventional suspended ceiling to adjustably locate and secure a light fixture within the framework. The slot configuration defined by the light fixture support permits the enlarged extremity of the upstanding portion of the "T" member to be rotated for insertion within the slot, returned to a vertical position, and retained within the slot. If desired, an adjustable support may be provided for accommodating a variety of "T" member spacings or for compact packaging with a light fixture.

Abstract: An overhead ceiling structure with an integrated fixture hanging assembly, the fixture hanging assembly being supported by a yoke means bridging a pair of adjacent ceiling frame rail members.

Abstract: A hollow light duct extends through the roof of a building to the ceiling of a room within the building to be lighted. A translucent light emitting panel is mounted over one end of the duct on the roof of the building and a hingeable lid is secured to the end of the duct. The lid is provided with a reflecting surface for reflecting sunlight through the translucent panel into the duct. The opposite end of the duct includes a diffusing panel positioned in the ceiling of the room; the duct includes artificial light source to provide illumination when insufficient daylight is present; the reflecting lid is closed to reflect the artificial light and prevent its escape from a duct when the artificial light source is in use.

Abstract: The light fixture herein can assume multi-angle relationships to the ceiling grid system within a suspended ceiling system. The light fixture is suspended from the ceiling by support posts and the support posts are movable relative the grid system of the ceiling system and the back of the light fixture to permit the light fixture to be moved to a number of different locations.

Abstract: A ceiling includes arched panels supported by box type beams which are adjustable in width. The sides of the beams are provided with inclined grooves in which the edges of the panels are received. The panels are flexible and tend to unflex to a flat shape, thereby retaining their edges in the beam grooves. The ceiling beams include beam members which are spaced apart by adjustable spacer brackets. A bottom panel of each beam may be opened to gain access to the beam for interior adjustment of the brackets. Light fixtures are mounted within the beams above translucent panels incorporated in the bottom beam panels. Curved wall panels supported by wall beams may be employed in combination with the ceiling. In an alternative form of the invention, upright box type beams support curved wall panels and partitions.

Abstract: An air distribution ceiling for clean rooms is disclosed which includes a first or primary plenum chamber at the top of a room with a clean air supply communicating with it, the top of this chamber being bounded by the room ceiling and the bottom being bounded by a plurality of vertically spaced horizontal interlocked upper panels, a second plenum chamber bounded at the top by the upper panels and at the bottom by lower horizontal interlocked panels and forming the ceiling of the room. The panels are carried on spaced parallel supporting bars suspended from the top wall of the room and extending therealong, the supporting bars being held in spaced relation by spacer bars extending therebetween and having ledges to carry the upper and lower plates and to permit the insertion and removal of the lower panels from below. The panels each has a plurality of nozzle holes therethrough for downward air delivery and to provide for uniform air displacement within the room.

Abstract: A lighting system is provided having a unique main runner structural configuration that enhances the adaptability of the system to a number of uses, including one-way, corridor and grid ceiling patterns. The main runner has an inverted U-shape design in cross section, the legs of the U-shape defining an open mouth channel. The legs also have a lip associated with them. The lower leg and lip portions or formation of the inverted shape hides the division line between various color combinations used in conjunction with the main runner from observers of the ceiling system, and also creates a recess for holding and supporting a number of accessories associated with the ceiling system. The lip of the main runner provides support for any associated ceiling panels. One embodiment of a lighting fixture compatible with the lighting system disclosed hereinafter has offset end pieces which permit continuous linear luminaire pattern installation.

Abstract: A fixture support for a grid-type ceiling, comprising spaced clip means adapted for mounting on spaced, generally parallel, inverted T-shaped, in cross section, grid bars, with the clips having a plurality of vertically spaced openings therein for mounting a bridging bar therebetween, the bridging bar having hanger means mounted thereon for suspending a fixture, such as an electrical outlet box therefrom, and with the vertically spaced openings on the clip providing for selective vertical positioning of the bridging bar and associated hanger means with respect to the clips, thereby varying the vertical position of the outlet box with respect to the ceiling grid.

Abstract: Suspended ceiling systems are formed from a series of modules which may have a vaulted design and a light fixture therein. These modules must be supported from the main runners or cross tees of a suspended ceiling system. The support structure herein is fastened at one end to the main runners or cross tees of the suspended ceiling system and carry on their other end the main horizontal support members for the light fixture and vaulted module. Means positively lock the support structure to the main runner or cross tee of the suspended ceiling system.

Abstract: A light weight locking structure for a suspended ceiling construction of T-shaped strip grid profile bars supportively engaged by nodal plates having radiating arms in which the arms terminate in upwardly bent locking projections, and the profile bars are provided with slots in the cross-bar of the T for cooperatively receiving the locking projections of the associated arm. After engagement of the locking projections in the slots of the respective profile bar, the projections are bent over to rigidly lock the profile bars to the nodal plate.

Abstract: A suspended ceiling is provided having a main grid assembly defining the lower plane of the suspended ceiling and having trusses connected to the grid assembly. A support frame is positioned above the lower main grid assembly defines the upper ceiling plane. Outrigger arms pivotally attached to the ceiling support frame are used to suspend the support frame from the trusses on the main grid assembly and to position the support frame relative to the main grid assembly. A ceiling board is mounted within the support frame and a plurality of ceiling boards are carried by the combination of the main grid assembly and the support frame.

Abstract: A light post which serves as a structural member and has upper and lower adjustable connections comprising end caps which are securable to a base and supported structure, respectively, and between which the post extends and telescopes at its ends into the caps. The post is provided with axially extruding bolts which thread through respective end portion of the post and are extensible and retractable endwise to position the post and also lock a cover panel in closed position and in which parts are temporarily distortable to facilitate securing and release thereof.