Abstract: Lamp with protective tube comprising a transparent lamp tube, a bulb installed therein, and multi-part cap members tightly sealing off the lamp tube at both ends. The lamp is characterized in that both cap members (20, 20') have inner and outer compression rings (22, 22'; 23, 23') with facing thrust cones (22c, 23c), between which a sealing ring (24, 24') of rubber elastic material is clamped, the inner and outer compression rings (22, 22'; 23, 23') and the sealing ring (24, 24') being located inside the lamp tube (10). The outer compression ring (22, 22') being part of an actuating ring (22a, 22a') located outside the lamp tube (10). The inner compression ring (23, 23') is moveable toward the outer compression ring (22, 22') by means of an adjusting ring (21, 21'), also located outside the lamp tube (10), and a tensioning mechanism (21d, 23d), actuateable by the adjusting ring.

Abstract: A reflector, a metal halide lamp and a container casing containing a lighting circuit board for the metal halide lamp are mounted within a lamp housing. The container casing, having a generally rectangular parallelepiped shape, is mounted on the lamp housing through a bracket extending along the rear surface of the reflector in tilted relation to a vertical axis. If an impact is applied to the front side of a headlamp, the container casing rises, thereby protecting the container casing from breakage because of a cushioning effect obtained when the container casing partially deforms the reflector.

Abstract: A light bulb or lighting element protector apparatus is disclosed which comprises a socket assembly, a cage assembly, wherein the cage assembly further comprises a means for protecting a light bulb, a message area wherein the message area is located on the cage assembly, a word, a message or a logo wherein the word, message or logo is located on or in the message area, and a means for latching the cage assembly to the socket assembly.

Abstract: An adjustable drop light apparatus includes a lamp assembly connected to and supported by a handle assembly. A protective housing assembly is supported by the handle assembly and protects the light bulb of the lamp assembly. An orientation adjustment assembly is attached to the protective housing assembly, and a suspension assembly is adjustably connected to the orientation adjustment assembly. The suspension assembly includes a magnet retainer which retains a magnet. The suspension assembly also includes a hook assembly connected to the magnet. The magnet includes a retention well. The hook assembly includes a pivot bracket connected to the magnet within the retention well, and the hook assembly includes a selectably pivotable hook which is pivotally connected to the pivot bracket. The retention well has a well depth; the selectably pivotable hook has a hook thickness; and the well depth is greater than the hook thickness enabling the pivotable hook to be stored within the retention well.

Abstract: The present invention provides a connector that is tamper resistant, yet does not require the use of tools. In one embodiment, a bezel retainer is designed to snap and lock into a lamp housing assembly by using tabs on the bezel retainer that lock into slots molded into the housing. The bezel retainer is maintained in position by a wave spring washer mounted in the housing. Tabs on the wave spring sit in detents on the end of the bezel retainer. The bezel is attached to the end of the bezel retainer and is allowed to rotate freely.

Abstract: A device for protecting leading surfaces of a lens of an emergency vehicle warning light. The device has a replaceable, transparent shield adapted to be conformed to the profile of the leading surface. The shield is attached to the lens by upper and lower grooves formed in the lens. Notches are provided to assist with removal of the shield for replacement. Channels are provided to drain moisture from the lower groove. A first lens modified protector provides tracks, secured to the lens, for securing and conforming the shield to the lens. A second modified protector provides a thin, removable film for attachment to the lens by a pressure sensitive adhesive. A third modified protector provides a heating element attached to the shield for thawing, and for operably defrosting and preventing accumulation of frozen water products from and on the shield.

Abstract: A wet niche light having a nonconductive forming shell 14 with a nonconductive housing 16 mounted therein. A double ended lamp is fixed within the housing in sockets which do not retain the lamp in friction engagement but rather hold the lamp by axial compression. A conductive reflector extends over the sockets and is grounded externally. A planar lens having vertical ribs is positioned within a bezel that attaches to the forward side of the housing by means of resilient clips. The nonconductive forming shell includes a conductive ring about the front opening of the shell with a conductor extending rearwardly for coupling with a pool grounding net. The lamp is positioned far enough within the housing such that no direct light from the lamp will strike the surface of the water in the pool at less than the critical angle of total reflection.

Abstract: A fluorescent work light assembly employing a twin tube fluorescent bulb which is interconnected at a second end and has one contact for each tube at a first end to place the bulb in series with a source of AC power. The bulb is mounted in a protective envelope tube with supports adjacent both ends to position and support the bulb. And end cap at the second end permits the light member to be suspended adjacent a work area. An end cap at the first end permits a power source to be connected via a two position switch to the bulb pins. Both end caps are assembled to the protective envelope stop members and have members which also permit the end caps to be assembled. A ballast device is placed in the work light assembly itself.

Abstract: A cover for attachment to a traffic light is provided including a transparent shell having an aerodynamically configured outer surface and a peripheral edge surrounding an interior of the cover, the peripheral edge including a seal thereabout to prevent moisture from entering the interior and accumulating on an inner surface of the cover when attached to the traffic light. Once attached, the cover provides an overall aerodynamic configuration to the combined traffic light and cover assembly while permitting visibility of the traffic signal lights through the transparent shell.

Abstract: A lamp employs a halogen light fixture which includes a fitting threadably engaging a conduit entry "L". A standard electrical cord is provided to the entry "L" and connects inside the entry "L" with the pigtail wiring of the light fixture. The entry "L" also receives a spring clamp, securely mounted thereon, for enabling the lamp to mount to a support via use of the spring clamp, for providing a work lamp on a temporary or semi-permanent basis at a work site.

Abstract: It is an object of the present invention to provide a new and improved walking device with an associated light assembly. The walking implement has a first end, a second end and an intermediate extent therebetween. A cylindrical light assembly housing is included which has an upper extent, a lower extent, an outer surface, an inner surface, a closed rearward end, an open forward end. A male thread element extends about the open forward end of the assembly. An aperture is formed through the upper extent of the light assembly. A cylindrical lens cap is included which has a forward end and a rearward end. A circular transparent lens is positioned within the forward end of the cylindrical lens cap. A female thread element extends about the rearward end of the cylindrical lens cap. The female thread element is adapted to be engaged with the male thread element of the cylindrical light assembly housing.

Abstract: A trouble light is provided with a metal protective cage which surrounds a light bulb and has planar surfaces. When energized by a separate switch, an electromagnet within the handle generates a magnetic field which magnetizes the protective cage, enabling it to be mounted to any convenient ferrous metal surface, such as the hood of a car.

Abstract: This portable lighting fixture comprises a lamp housing containing a lamp and a reflector that projects light from the lamp through an opening in the front face of the housing. A protective grill on the housing registers with the front-face opening in a location spaced from the opening. Normally located beneath the housing is a base that normally supports the housing. The grill has an outer periphery that appears rounded when viewed from a horizontal reference plane located above the housing when the housing is in its normal location atop the base. Tip-over of the fixture onto a horizontal surface that causes the central peripheral portion of the grill to fall against the horizontal surface results in the fixture rolling over in a lateral direction on the rounded grill following initial contact between the central peripheral portion of the grill and the horizontal surface.

Abstract: An electric trouble light assembly including a shroud and a guard and with an opening in the shroud at a location out of line of vision from the bulb included in the assembly so that the user can look through the opening and view the work station. Magnifying lenses can be placed in the shroud opening, and there can also be a viewing opening in a guard on the front face of the assembly, and a magnifying lens can be supported on the guard. Finally, a cover is movably mounted on the shroud for movement into and out of a position of closing the shroud viewing opening.

Abstract: A modular safety lighting system for highway barriers has a light fixture connected between two sections of flexible fluid tight conduit containing four conductors. A male connector is connected to one end of the conduit and conductors and a female connector is connected to the other end of the conduit and conductors. In a first module the light fixture is connected to a first pair of conductors and in a second module the light fixture is connected to a second pair of the conductors. The modules have a length equal to the length of the barrier on which they are to be mounted and are connected alternately in series to illuminate the highway barrier. Suitable power connection modules are provided to connect the system to a standard utility power pole.

Abstract: A cordless trouble light with a cage surrounding the light source comprising: a handle formed as a hollow generally cylindrical shaped member with an inboard end and an outboard end, the handle including a notch for placement of a switch, the inboard end including a light bulb socket with coupling devices, the outboard end consisting of an outlet ground plug with three prongs, an on/off switch system being positioned within the notch in the handle, three wires being operatively coupled to the switch, bulb socket, and outlet plug, the switch permitting electric flow to light source when in the on orientation; and a cage formed in a generally cylindrical configuration with a front segment and a rear segment, the rear segment being coupled to the inboard end of the handle, the front segment being rotatably affixed to the rear segment at one end, the segments being releasably coupled at the diametrically opposite edge, the segments consisting of a plurality of perpendicularly intersecting bars.

Abstract: A luminaire (10) for dispersing light upwardly comprises a reflecting bowl (11) and an electric light socket (12) disposed in the bowl adjacent the closed end for energizing a light bulb (34). A power cord (14) supplies electrical power from a point external the luminaire to the socket (12), the power cord extending between the open end of the reflecting bowl (11) and the closed end, with the power cord (14) being connected to the socket (12). A rigid safety conduit (16) encases the power cord (14) as the power cord extends between the open end and the socket (12) for maintaining the power cord in a position fixed with respect to the reflecting bowl (11). The luminaire (10) further includes a funnel-shaped reflecting surface (42) disposed within the luminaire adjacent the light source (36) for increasing light reflected from the luminaire.

Abstract: A halogen clamp light (11) comprising a halogen light (13) adjustably attached to one end of a rigid, elongate support (17) is disclosed. The halogen light (13) includes a housing (19), a halogen bulb (37), a reflector (35), a glass lens (29), and a protective grill (31, 33). A spring-loaded clamp is attached to the other end of the elongate support. The elongate support (17) includes a cavity that houses an on-off switch (71). The adjustable attachment includes a threaded shaft (53) that extends through a flange (41) that protrudes rearwardly from the housing (19). A manually adjustable locking nut (63) clamps the flange (41) to the elongate support (17) after the housing is adjusted to the desired position. A plastic bushing (55) is located between the flange (41) and the elongate support (17). Further, a hook (99) extends longitudinally outwardly from the cavity end of the elongate support (17).

Abstract: A device for protecting leading surfaces of a lens of an emergency vehicle warning light. The device has a replaceable, transparent shield adapted to be conformed to the profile of the leading surface. The shield is attached to the lens by upper and lower grooves formed in the lens. Notches are provided to assist with removal of the shield for replacement. Channels are provided to drain moisture from the lower groove. A first lens modified protector provides tracks, secured to the lens, for securing and conforming the shield to the lens. A second modified protector provides a thin, removable film for attachment to the lens by a pressure sensitive adhesive. A third modified protector provides a heating element attached to the shield for thawing, and for operably defrosting and preventing accumulation of frozen water products from and on the shield.

Abstract: A spray shield for temporarily covering an open face of a fixture, particularly a canister light fixture. The spray shield is conveniently outlined on and removable from a panel of cardboard shelf packaging of the canister light. The spray shield provides a disk-shaped portion surrounded by radially extending tabs which can be bent off from to the disk-shaped portion to form a resilient shallow pan which is grippingly held within an inside surface of the canister light. The spray shield as a flat panel can be easily removed from a panel of the packaging which provides a weakened line around an outer circumference of the spray shield.

Abstract: An apparatus (10) that combines within a unitary protective tubular structure (12) a retractable, extendable and omni-positionable light assembly (20) that houses a halogen lamp (20I that is controlled by a switch/circuit breaker (22A). The switch is attached to the housing and is connected in series between the lamp (20I) and a lamp power cord (22B,22E) that terminates at the output of a utility-power junction box (32) that includes a pair of auxiliary a-c power outlets (32L). The input to the junction box (32) is a primary power input cord that terminates with a male power input connector (32J). The connector (32J) connects with a female connector (36A) that is attached to one end of an electrical power cord (36) and that is fixedly attached to a power-cord reel (38). The other end of the cord (36) is wound around the power-cord reel (38) and terminates with a male connector (36B) that connects to an a-c power outlet.

Abstract: A fixture for portable quartz floodlights in which a plurality of clips are secured to the periphery of the housing.

Abstract: A rolling mechanic's lamp is disclosed. The lamp is provided with a rectangular frame member having a centrally located opening and two receptacles remote therefrom for carrying small tools and the like. A reflector is secured to the frame member for directing light through the top of the opening. An electric bulb, capable of illuminating the area above the frame member when energized, is supported by the reflector within the opening. A cage is secured to the top of the frame member and disposed above the bulb. The cage includes a ring fitted about the periphery of the opening and a number of arches having their respective lower ends joined to the ring in a spaced apart relationship and having their respective upper ends joined together at a predetermined height above the opening. A caster is secured to each of the four corners of the frame member. A handle is joined to one side of the frame member for grasping by the human hand and movement of the lamp from place to place.

Abstract: A portable, twin-mounted light assembly (10) having a stand assembly (12) supported by a stable platform (14) and having on its top edge (120), a mounting bracket (16). The bracket (16) is disclosed in three designs: an inverted L-bracket (18), a double U-channel bracket (20) and a channeled L-bracket (24). In all designs, the bracket supports a primary-power junction box (26) and a detachable light-fixture attachment T-section (28). To each end of the T-section (28) is removably attached a light fixture assembly (34). The assembly includes a pair of legs (42,44) that when compressed fit into the end of the T-section (28). Conversely, when they are removed from the T-section (28), the two legs extend outwardly to allow the light fixture assembly (34) to be placed on a flat surface remote form the assembly (10).

Abstract: A retaining device held in a compact, lensed, task lighting fixture operates to retain the lens in the fixture and to facilitate the removal of the fixture's fluorescent lamp which is otherwise difficult to access. The retaining device is comprised of a strip of resilient material having a base end mounted in a fixed position within the fixture, a resilient middle strip portion shaped to extend around the base end of the fluorescent lamp, and an outwardly biased distal end extending to contact and retain the lens in the fixture housing.

Abstract: A trouble light assembly includes a handle portion, a door in the handle portion which is hingeably movable between open and closed positions, a bulb receptacle mounted at one end of the handle portion, a cage portion adjacent the bulb receptacle for enclosing a bulb therein, and a plurality of conductor blades which are electrically connected to the bulb receptacle. The conductor blades extend downwardly from the bulb receptacle so as to define a male conductor plug within the handle portion. The female end of a extension cord set is received into the handle portion through the hinged door, and matingly engaged with the conductor blades so as to establish an electrical connection between the bulb receptacle and the cord set. In a first embodiment, the hinged door is permanently sealed in the closed position after assembly of the cord set, and in a second embodiment the hinged door is provided with a tab and slot assembly for releasably maintaining the door in the closed position.

Abstract: An armored housing with a top opening protects a lamp positioned inside against projectiles. The lamp preferably is carried by a first reflector structure which is resiliently suspended inside the housing to isolate the first reflector structure and the lamp from the shock of projectiles hitting the housing. The second reflector structure positioned above the housing receives light from the lamp and the first reflector structure and reflects that light downwardly and outwardly past the housing and over a wide area.

Abstract: A modular utility lamp, commonly known as a trouble light, which includes a handle with a socket on one end and electric prongs for connecting an extension cord to the other end, and a protective cage for surrounding and protecting an electric bulb in the socket. The protective cage preferably includes two identical halves which twist-lock together to facilitate replacement of the bulb. A freely rotatable hook with a twist-lock base is provided for the top end of the protective cage. The utility lamp is also provided with a collapsible base for supporting the lamp in an upright position above a work area. The lamp, including the base, are carefully proportioned and designed to provide a utility lamp with asthetic appeal which may be used in environments where prior art lamps of the same type were considered inappropriate.

Abstract: A fixture for portable quartz floodlights in which a plurality of clips are secured to the periphery of the housing. A portion of each clip overlies the safety guard and lens to press the guard and lens into assembled relationship with a peripheral flange which extends around the housing. A handle is attached to the housing at the top center to facilitate transportation of the fixture.

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: Cooking apparatus such as, for example, an oven includes a cooking chamber (1) having at least one electrical heating element (9) having a tubular envelope (10) of fragile material of the type of quartz or glass which is mounted in supports (16, 17) secured to the chamber (1) so as to maintain the envelope (10) at a distance from the internal wall of the chamber. The tubular envelope (10) is enclosed in a cage (18) whose wall (19) is sufficiently pierced to let pass the infrared radiation toward the interior of the chamber (1) and sufficiently rigid to resist any mechanical shock. The cage (18) is provided with members (24, 25) for securing it to the internal wall of the chamber (1).

Abstract: A lamp and extension cord set comprising a removable extension cord reel and lamp set mounted onto a stable base frame platform and provided with at least two handlebars for carrying. The extension cord reel connects a lamp to a distant power supply and is provided with a curved stop bar as a safety feature and a handlebar for carrying the barrel. The lamp set contains the light source within a lamp head and a lamp cover. A power switch and a separate retractile power cord are attached to the lamp set for connection to a power supply with or without the extension cord reel. The lamp may be pivoted or rotated both horizontally and vertically with respect to the base frame to adjust the direction of the light from the lamp. The lamp assembly may also be removed from the base frame to provide an overhead light source if desired.

Abstract: A lamp safety retainer includes resiliently flexible retainer elements located beneath the base of a vertically oriented compact fluorescent lamp coupled with a lamp socket in a luminaire so as to intercept the base upon inadvertent uncoupling of the lamp from the lamp socket to preclude fall of the uncoupled lamp from the luminaire, while enabling selective flexing of the retainer elements for deliberate removal and replacement of the lamp in the luminaire.

Abstract: A lamp safety retainer includes resiliently flexible retainer elements in the form of helically coiled spring wire retainers covered with a non-metallic textile material and located beneath the base of a vertically oriented compact fluorescent lamp coupled with a lamp socket in a luminaire so as to intercept the base upon inadvertent uncoupling of the lamp from the lamp socket to preclude fall of the uncoupled lamp from the luminaire, while enabling selective flexing of the retainer elements for deliberate removal and replacement of the lamp in the luminaire.

Abstract: The invention is a device that attaches to a flashlight and makes the flashlight a cordless trouble-light. The invention consists of an outer cylindrical shell with a closed top and open bottom. The open bottom is threaded so that it can be screwed onto the lamp of a flashlight so designed for this concept. In the front of the cylindrical shell is a clear window. Within the shell and behind the clear window is a mirror that is adapted so that when the light source from the flashlight shines upon the mirror, the mirror reflects toward the clear window. A plastic snap-on shield is placed over the clear window for protection. The snap-on shield can be removed for easy cleaning of the window.

Abstract: The lamp handle cover system for surgical lamps includes a semi-permanent, non-disposal surgical lamp handle and its accessory component, a sterile disposable semi-flexible handle cover, which, in combination, provides an aseptic medium by which a surgical team member can manually adjust the operating room lamp during a surgical procedure, thereby preventing accidental or unknown incidental procedure, thereby preventing accidental or unknown incidental contamination. The non-disposable lamp handle includes an ergonomically designed grip handle and a locking/coupling assembly which couples the grip handle to the male component of the conventional surgical lamp. The sterile disposable handle cover is formed from a flexible sleeve closed at one end and having a relatively rigid collar formed about the opposite open end.

Abstract: An elongated jacketed discharge lamp uses an improved spacer end cap in the form of a one-piece body of thermally insulating material having an annular ring-shaped side portion and an annular disk-shaped end portion integrally-connected therewith. The annular side portion has an annular interior wall surface defining a central cavity receiving and frictionally engaging at least the periphery of an end base on an end of an envelope tube of the jacketed lamp. The annular side portion also has an annular groove formed therein receiving and seating one end of an outer sleeve which surrounds the envelope tube of the jacketed lamp. The groove is defined by an outer annular wall surface which surrounds and frictionally engages the exterior of the one end of the outer sleeve and an inner annular wall surface spaced radially inwardly from the interior of the end of the outer sleeve away from frictional engagement therewith.

Abstract: A lamp housing having a non-metallic exterior guard and handle assembly and threaded relief passages is disclosed. The exterior guard comprises a series of flared nylon spokes spaced about the circumference of the globe for cushioning the lamp and its tempered glass globe during impact with hard surfaces. One end of each spoke converges to a common location at the top of the lamp housing, while the other terminates along the circumference of a ring concentric with the lower portion of the globe. The lamp housing also includes threaded joints forming helical relief passages for permitting hot, pressurized gasses, should any be present, to cool before exiting the housing. Other features of the invention include a strain relief structure for relieving stresses on electrical connections with external cables and a hook for permitting the structure to be fixed about appropriate objects.

Abstract: A housing apparatus is arranged for use in combination with a barbeque grill for mounting to a balcony structure of an existing dwelling. The structure includes mesh side walls and a floor to prevent air flow restriction directed to the medially positioned grill of the housing, with a housing hood pivotally mounted to the support housing to provide protection and prevent access to the grill structure by small children and the like.

Abstract: A trouble light positioner having first and second hooks, a swivel for swivelably mounting the first hook atop a trouble light, a mechanism for retaining the swivel in a selected position, and a mechanism for slidably attaching the second hook to the trouble light's power cord.

Abstract: A trouble-light having a handle member which includes an upper portion, a central portion, a lower portion, and an electrical cord for connecting to a power source. The upper portion includes a light socket for receiving a light source. The trouble-light also includes a shield having a concave, partial shell portion which surrounds a portion of the light source. The shield is rotatably mounted to the handle portion for manually directing light to a desired area. A cage member extends upwardly from the handle member and surrounds the light source and the shield. A locking mechanism is provided for retaining the shield in a selected orientation.

Abstract: A motor-vehicle lamp having a light-transmissive shield (3) which is attached to a grounding plate (4) by a holding device (8) and which defines an opening (6) suitable for water removal includes an electrically conductive pin (1) for protecting the motor-vehicle lamp from destruction due to a lightning strike, the pin having a first end extending into the opening (6) and a second end making electrically-conductive contact with an electrical ground (10, 10') of the motor vehicle.

Abstract: A disc arrangement is provided for positioning about airport lights for inhibiting erosion and suppressing foliage.

Abstract: A vehicle lamp guard 10 is formed of spaced parallel flat bars 12 interconnected at the respective ends by straps 18, 20. The guard can be secured at the rear of a vehicle by a quick release fastener associated with the strap 20. A pair of pins 24 are provided at the side of the strap 18 remote from the bars 12 and are adapted to snap fit into a channel of a profiled strip 22. The latter can be bonded to the side of the vehicle and thereby provide for quick and easy fixing and release of the lamp guard while enhancing the aesthetic appearance thereof.

Abstract: A portable electric lamp apparatus including a conduit, a tungsten halogen lamp attached to one end of the conduit, a plug attached to the other end of the conduit, a conductor within the conduit for conducting current from the plug to the tungsten halogen lamp, and a retractable guard for protecting or exposing the tungsten halogen lamp. The portable electric lamp is particularly adapted for dispensing a large amount of illumination to large enclosed areas such as boiler furnaces, stokes, tanks and the like which periodically require servicing.

Abstract: A universal adjustable cover 20 for a lighting fixture 10. Universal cover 20 has openings for mounting on a conduit 50 parallel to the ceiling, and additional openings 22 for angle mounting and 24 for mounting on a vertical conduit. Universal adjustable cover eliminates need for stocking a large number of lighting fixtures for only one mounting configuration.

Abstract: A bollard light has a vertical steel tube of predetermined heavy gauge, a plurality of apertures in the upper end of the tube to allow light emanating from within the tube to be transmitted therefrom, one or more protecting louvres and a cap member, also of steel of predetermined heavy gauge, located about the upper end of the tube to at least substantially hide from normal view a light diffuser, located within the tube and adapted to diffuse light emanating from within the tube through the apertures. The louvre(s) are welded to the tube. The cap member is removably securable to the tube. Light emitting means is located within the upper end of the tube.

Abstract: This is a safety strap for a light fixture. It is mounted on the body or shade under the light tubes. The safety strap keeps the tubes from falling out of the light possibly from incorrect installation of tubes or someone may bump the light causing the tubes to fall which may result in injury not only from broken and sharp glass but also harmful gasses that escape from the broken tubes, thus injury may be prevented if the safety strap is used.

Abstract: A high intensity lamp has a housing formed by first and second housing halves fitted together, a rear cover and a front cover. The first and second housing halves have a handle integrally formed therewith so that the lamp is portable. The housing encases a socket, the high intensity lamp source, a lamp shield and a filter, as well as part of a power cord. The front cover is releasably attached to the first and second housing halves. The filter is releasably attached to the housing halves by means of a retainer, disposed in the housing halves, having inwardly inclined tongs with respect to the housing, which hold therebetween a projection from the filter. The rear cover and each housing half has several elongated ventilation slots. The front cover has feet on which the lamp can rest. The feet are reinforced by ribs which serve, together with tabs, to hold a splash shield in place in the cover.

Abstract: An explosion proof fluorescent lamp fixture includes a pair of end housings having aligned openings which removably receive transparent lamp sleeves and a ballast housing. The lamp sleeves are fixed in first annular rings which matingly connect to second annular rings to form labyrinth seals. The second annular rings are removably inserted in the end housing openings. Thus, the fluorescent lamp is easily field reparable. A method of mounting a ballast in the ballast housing is also disclosed.