Track Lighting Patents (Class 362/648)
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Publication number: 20100271847Abstract: A bendable line voltage track lighting system includes a track having a conductor subassembly and first and second bendable sheaths that engage the conductor subassembly. The conductor subassembly includes first and second insulators that receive first and second bus-bars, respectively, and a compression gasket for biasing the two insulators into engagement with guide grooves in the bendable sheaths. Power is fed to the track by power connectors that engage the bus-bars contained within the conductor subassembly. Light fixtures are powered by making electrical contact with the bus-bars of the conductor subassembly.Type: ApplicationFiled: February 16, 2010Publication date: October 28, 2010Inventors: Aaron Mobarak, Victor Smith, Christopher Watson, Michael Shulman, Paul Furlow, Gregory Kay, Wallace Hepkema
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Patent number: 7794132Abstract: An electric lighting system for concealed lighting and track lighting installations has lamp holders spaced along a custom power cable with two finely braided high current conductors. The cable and conductors have a flattened rectangular cross section and are exceptionally pliable to facilitate cornering in tight spaces. The cable exterior is slotted for reduced height of the installed lamp holders and optimum low profile of concealed lighting installations. The lamp holders are adaptable to different types of lamps and include an optional reflector. Snap-on mounting lugs permit installation of the cable and lamp holders directly to a mounting surface. Alternatively, a low profile track holds the cable and lamp holders.Type: GrantFiled: November 14, 2006Date of Patent: September 14, 2010Assignee: Troy-CSL Lighting, Inc.Inventor: Jeff R. Cunius
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Patent number: 7758358Abstract: A track lighting assembly includes a coupler to join tracks which is movable through a plurality of angles. The assembly also comprises an adapter which allows for flush mounting of the track wherein the fixture adapters may be moved along the track despite the flush mounting of the track.Type: GrantFiled: May 5, 2008Date of Patent: July 20, 2010Assignee: Koninklijke Philips Electronics N.V.Inventors: Alejandro Mier-Langner, Julia Fishman, James Kuchar
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Patent number: 7726869Abstract: An LED track light device includes a plurality of LED-units that fit within a track means. At least one LED element(s) is fitted within the LED-unit's geometric construction, and leads of the LED are connected by conductive means, resilient conductive means, contact means, and/or bus means to deliver electric signal from an AC or DC power source, circuit means, switch means, sensor means, timer means, and/or control means to the element(s) to provide a desired area-illumination light function. The LED-units have a geometric construction and space to allow the element(s) to be fixed in position or incorporated with reflector means that may be arranged to rotate, swivel, or tilt. Hanging means or other electric devices also can added to the said LED track light device or the LED-units to add more practical extra functions.Type: GrantFiled: February 29, 2008Date of Patent: June 1, 2010Inventor: Tseng-Lu Chien
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Publication number: 20100103701Abstract: The invention provides an apparatus for engaging and disengaging a track lighting assembly with respect to a track in a track lighting system. The apparatus includes a track engaging apparatus that includes a housing. The housing includes a rotation inhibitor that has a protruding end that protrudes from the housing for engaging with the track and preventing the track engaging apparatus from rotating with respect to the track. The rotation inhibitor further includes a receiving member for translating a force in a first direction into motion of the rotation inhibitor in a second direction substantially orthogonal to the first direction. The apparatus further includes an actuator for applying the force in the first direction to the receiving member.Type: ApplicationFiled: January 5, 2010Publication date: April 29, 2010Inventors: Paul James Bartlett, Gregg Arthur Lehman, Chiu Hwa Jung
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Patent number: 7661870Abstract: A bendable line voltage track lighting system includes a track having a conductor subassembly and first and second bendable sheaths that engage the conductor subassembly. The conductor subassembly includes first and second insulators that receive first and second bus-bars, respectively, and a compression gasket for biasing the two insulators into engagement with guide grooves in the bendable sheaths. Power is fed to the track by power connectors that engage the bus-bars contained within the conductor subassembly. Light fixtures are powered by making electrical contact with the bus-bars of the conductor subassembly.Type: GrantFiled: January 8, 2007Date of Patent: February 16, 2010Assignee: Tech Lighting LLCInventors: Aaron Mobarak, Victor Smith, Christopher Watson, Michael Shulman, Paul Furlow, Gregory Kay, Wallace Hepkema
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Patent number: 7659675Abstract: The light sources for illuminating the stope support at a longwall face are operated at low voltage, connected to the control network device, for low voltage supply of the system controllers. LEDs are particularly suitable as light sources. Measures for avoiding an impairment of the function of the system controllers are disclosed.Type: GrantFiled: April 15, 2004Date of Patent: February 9, 2010Assignee: Tiefenbach Control Systems GmbHInventor: Willi Kussel
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Patent number: 7648263Abstract: The invention provides an apparatus for engaging and disengaging a track lighting assembly with respect to a track in a track lighting system. The apparatus includes a track engaging apparatus that includes a housing. The housing includes a rotation inhibitor that has a protruding end that protrudes from the housing for engaging with the track and preventing the track engaging apparatus from rotating with respect to the track. The rotation inhibitor further includes a receiving member for translating a force in a first direction into motion of the rotation inhibitor in a second direction substantially orthogonal to the first direction. The apparatus further includes an actuator for applying the force in the first direction to the receiving member.Type: GrantFiled: October 30, 2007Date of Patent: January 19, 2010Assignee: Cooper Technologies CompanyInventors: Paul James Bartlett, Gregg Arthur Lehman, Chiu Hwa Jung
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Publication number: 20090284988Abstract: A track light assembly includes a low-voltage track. A light module comprises an elongated thermally conductive housing fitted over the track. The housing may also surround the track. The housing preferably forms an elongated channel. An elongated printed circuit board (PCB) is mounted on the thermally conductive housing and carries a plurality of clusters of light emitting diodes (LED's) distributed over the PCB surface. An elongated lens is fitted over the PCB and LED clusters. A track adapter attached to an end portion of the track includes electrically conductive contacts for electrically coupling the conductors in the track housing with contacts on the printed circuit board. Thus, a cool running, elongated, linear light module is provided which is adjustably placeable along the length of the track.Type: ApplicationFiled: May 14, 2008Publication date: November 19, 2009Applicant: Juno Manufacturing, Inc.Inventors: Paul Snagel, Matthew Wnek
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Publication number: 20090244925Abstract: A track light module for use with a low-voltage track carrying a pair of elongated conductors transversely spaced from each other and accessible through a longitudinal slot in the track. The module includes a first housing that contains a printed circuit board carrying an LED and forming an aperture permitting light from the LED to be radiated beyond the first housing. A second housing carries a pair of electrical conductors adapted to extend into the low-voltage track to make contact with the conductors within the track. The second housing also includes surfaces for fastening the second housing to the track when the second housing and the track are moved relative to each other. A pair of electrical contacts on the printed circuit board contact the conductors carried by the second housing and thereby receive electrical power for the LED. A connector attaches the first and second housings together.Type: ApplicationFiled: April 1, 2008Publication date: October 1, 2009Inventors: Paul Snagel, Matthew Wnek
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Patent number: 7563016Abstract: Disclosed is a PAR track light fixture having an internal wire way. The PAR track light fixture has an opened ring design separating outer ring which peripherally surrounds the outer edge of the PAR lamp. The ring is separated from the socket cup thereby exposing an outer reflector section of the PAR lamp. In combination with the open ring design of the present invention is an internal wire way which encloses all electrical conductivity from the track connector through a stem or blade and one or more supporting arc sections to the socket cup and lamp.Type: GrantFiled: August 24, 2007Date of Patent: July 21, 2009Assignee: Genlyte Thomas Group, LLCInventors: Alejandro Mier-Langner, James E. Kuchar, Robert S. Gosnell
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Publication number: 20090180301Abstract: The modular track luminaire system of the present invention is a modular lighting system which has a lighting unit which is electronically connected to a remote ballast housing by a removable and reattachable insulated cord and plug system, the luminaire unit electrically connected to the ballast housing through the flexible cord and plug system thereby allowing the entire system to be modularized.Type: ApplicationFiled: March 26, 2009Publication date: July 16, 2009Applicant: GENLYTE THOMAS GROUP LLCInventors: Alejandro Mier-Langner, James E. Kuchar, Andrew E. Medeiros
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Publication number: 20090109707Abstract: The invention provides an apparatus for engaging and disengaging a track lighting assembly with respect to a track in a track lighting system. The apparatus includes a track engaging apparatus that includes a housing. The housing includes a rotation inhibitor that has a protruding end that protrudes from the housing for engaging with the track and preventing the track engaging apparatus from rotating with respect to the track. The rotation inhibitor further includes a receiving member for translating a force in a first direction into motion of the rotation inhibitor in a second direction substantially orthogonal to the first direction. The apparatus further includes an actuator for applying the force in the first direction to the receiving member.Type: ApplicationFiled: October 30, 2007Publication date: April 30, 2009Inventors: Paul James Bartlett, Gregg Arthur Lehman, Chiu Hwa Jung
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Publication number: 20090103330Abstract: A light fixture for use with a low-voltage rail is provided. The light fixture may include a rail connector, adapted to connect mechanically and electrically to the low-voltage rail, a ballast, adapted to convert power supplied by the low-voltage rail to a power suitable to illuminate a line voltage gas discharge bulb; and a low-voltage coupling, electrically and mechanically coupling the rail connector to the ballast. In one example, the ballast is located apart from the rail connector. The light fixture may further include a line voltage fluorescent bulb or compact fluorescent (CFL) bulb coupled to the ballast. In these examples, the ballast is further adapted to convert power supplied by the low-voltage rail to a power suitable to illuminate the line voltage fluorescent bulb.Type: ApplicationFiled: October 19, 2007Publication date: April 23, 2009Applicant: American Fluorescent CorporationInventor: Nelson Caldani
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Patent number: 7513675Abstract: The modular track luminaire system of the present invention is a modular lighting system which has a lighting unit which is electronically connected to a remote ballast housing by a removable and reattachable insulated cord and plug system, the luminaire unit electrically connected to the ballast housing through the flexible cord and plug system thereby allowing the entire system to be modularized.Type: GrantFiled: May 5, 2005Date of Patent: April 7, 2009Assignee: Genlyte Thomas Group LLCInventors: Alejandro Mier-Langner, James E. Kuchar, Andrew E. Medeiros
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Patent number: 7494252Abstract: The invention generally comprises a compact luminaire enclosure that preferably contains about 14 to 18 cubic inches of air volume and can be used safely with a 50 watt luminaire. The luminaire enclosure comprises a housing and a shroud that is removably attached to the housing. The shroud has a non-planar face that prevents the shroud from laying flat and trapping heat if the enclosure is placed on or falls on a flat surface. The housing can comprise polyetherimide, which has very good heat dissipation properties. The shroud may also comprise polyetherimide. The compact luminaire enclosure of the invention further comprises an internal thermal lamp shield recessed within the housing. The internal thermal lamp shield comprises highly specular material so that it is able to reflect much of the heat coming from an enclosed luminaire. In one embodiment of the invention, the luminaire comprises anodized aluminum.Type: GrantFiled: April 17, 2007Date of Patent: February 24, 2009Assignee: Genlyte Thomas Group LLCInventors: Gerry F. Thornton, Matthew S. Pressel, James Hickman, Jesse Wojtkowiak, Gary E. Kehr, Richard A. Groft, William H. Doron, Jr., Kimberly A. Renner, Justin M. Walker, Brian Breckenridge, Lew Waltz
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Patent number: 7488092Abstract: The track fixture described has an accessory ring hingedly attached to the main portion of the track fixture luminaire. The hinge interposed between the accessory ring and the support ring or luminaire housing allows for both rotational and outward movement such that the accessory ring may be moved outward and away from the lamp and rotate about the support ring without interference between the accessory ring and the support ring or luminaire housing. The two movement hinge design is compact and allows for a clean outer appearance of the track fixture luminaire.Type: GrantFiled: August 5, 2005Date of Patent: February 10, 2009Assignee: Genlyte Thomas Group LLCInventors: Alejandro Mier-Langner, James E. Kuchar, Andrew E. Medeiros
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Patent number: 7465063Abstract: A fixture for lamps used for portable and temporary applications has an elongated rail with a central channel, preferably with holes spaced along the channel bottom wall. Adapter bases are fit and fixed to the rail to support various types of light sources. In the case of a fluorescent lamp, each adapter base has one or more spring clamps into which a fluorescent lamp tube can be snapped and for other types of light sources the appropriate types of sockets and/or clamps, brackets or supports are provided. A wiring harness can be attached to the rail and secured by clips, clamps or holders attached to adapter bases along the rail. The rail with its attached light source or sources preferably has a flat back so that it can be mounted either permanently or temporarily to a flat surface by suitable fasteners or suspended from a ceiling or other elevated structure by a suitable tether.Type: GrantFiled: April 24, 2006Date of Patent: December 16, 2008Inventor: Allen M. Stillman
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Patent number: 7438441Abstract: A Light Emitting Diode (LED) light tube is applied to be directly inserted to two pairs of electrode insertion holes of a fluorescent light tube fixture to replace a fluorescent tube. The LED light tube comprises a heat-dissipating base, a plurality of linear-extend LEDs and a light-transmissible shell, wherein an arrangement surface of the heat-dissipating base is arranged with the linear-extend LEDs, a peripheral surface of the heat-dissipating base is formed with a plurality of heat-dissipating grooves, two end-surfaces of the heat-dissipating base are respectively connected a pairs of electrodes to be inserted into the electrode insertion holes, and the light-transmissible shell including an opening for covering and assembling to the arrangement surface to package the linear-extend LEDs with the heat-dissipating base.Type: GrantFiled: March 22, 2007Date of Patent: October 21, 2008Assignee: Edison Opto CorporationInventors: Tsung-Ting Sun, Hung-Ta Liao, Tzu-Hsuan Yen, Pao-Shen Chen
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Publication number: 20080101095Abstract: Thunder Mount is a multi-fit overhead garage door opener mounting system. Thunder mount assembly is comprised of four parts. Thunder Mounts top plate, has holes from which to attach bolts through to secure and suspended from a overhead truss, structure or support of the garage, and or building. Interconnecting shafts connect the top and bottom plates together. The bottom plate, has holes from where to attached a overhead garage door opener. All said parts are fastened together with nuts and bolts to create the Thunder Mount the first multi-fit adjustable overhead garage door opener mount. Said Thunder Mount has two attach points to attach more than one type of overhead garage door opener. Thunder Mount also has four unique doglegs from witch to attach two low voltage tracks and light fixtures.Type: ApplicationFiled: October 17, 2006Publication date: May 1, 2008Inventor: Gustavo Thunder Estravit
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Patent number: 7364346Abstract: Various embodiments of lighting assemblies, lighting apparatus, and lighting systems are provided. The lighting assemblies, apparatus, and systems can have first and second contacts disposed to retain a bulb and to pierce an insulation layer on a conductor. The lighting assemblies, lighting apparatus, and lighting systems can be low voltage lighting assemblies and lighting systems. Methods of installing lighting systems are also provided.Type: GrantFiled: September 6, 2005Date of Patent: April 29, 2008Assignee: The L.D. Kichler Co.Inventors: George J. Uhler, Thomas Trojan
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Publication number: 20080084711Abstract: A quick secure connection system for use with a set of outdoor lights includes a power source having a two-wired female connector surrounded by external threads. Threadably connected to the female connector on the power source is a male connector surrounded by an internally threaded collar. The male connector is mounted on one end of a power transmission cord. On the opposite end of the power transmission is a two-wired light assembly. On the base of the two-wired light assembly is another two-wired female connector from which a set of outdoor lights may be assembled.Type: ApplicationFiled: April 6, 2007Publication date: April 10, 2008Inventor: Chi Gon Chen
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Patent number: 7331699Abstract: A light source unit comprises a support for supporting a lamp unit, e.g., a gas discharge lamp or the like. The lamp unit has longitudinal and transversal fiduciary surfaces and the support has guide rails for guiding the lamp unit as it is inserted transversely with the longitudinal fiduciary surfaces sliding along a reference surface until transversal fiduciary surfaces engage one or more stops. The support may comprise a first part for supporting the lamp unit, a second part for supporting a light guide, and at least first and second light baffles between the first part and the second part, the first and second baffles each having an aperture for passing only a portion of light from the lamp unit incident upon the baffle, the arrangement being such that light from the lamp unit must pass through the apertures in both baffles to be incident upon the light guide.Type: GrantFiled: September 20, 2006Date of Patent: February 19, 2008Assignee: EXFO Photonics Solutions Inc.Inventors: Jerzy Gawalkiewicz, John Joseph Kuta
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Publication number: 20080031012Abstract: A telescoping power medium which can be telescopically positioned at any one of several distances and has an outer collapsible conductor surrounding an inner collapsible conductor. For example, a telescoping light fixture arm, the arm being adapted to electrically connect a lighting track to a light fixture.Type: ApplicationFiled: July 21, 2006Publication date: February 7, 2008Applicant: Minka Lighting Inc.Inventor: Nelson Caldani
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Patent number: 7322735Abstract: A telescoping power medium which can be telescopically positioned at any one of several distances and has an outer collapsible conductor surrounding an inner collapsible conductor. For example, a telescoping light fixture arm, the arm being adapted to electrically connect a lighting track to a light fixture.Type: GrantFiled: July 21, 2006Date of Patent: January 29, 2008Assignee: Minka Lighting, Inc.Inventor: Nelson Caldani
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Patent number: 7311434Abstract: A movable lighting apparatus includes first and second slide bars to which negative and positive electric power is respectively applied, sliders which move perpendicularly with the first and second slide bars, respectively and receive electric power of a corresponding slide bar, respectively, third and fourth slide bars which are connected between the sliders, and an illumination/connection power connector which supplies the movable lighting apparatus with electric power via the third and fourth slide bars and which is movable along the third and fourth slide bars to thus provide movable lighting illumination.Type: GrantFiled: February 21, 2007Date of Patent: December 25, 2007Inventor: Jae Won Kim Pryor
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Publication number: 20070285949Abstract: A track lighting system wherein a module having a plurality of LEDs mounted thereto is placed within a channel shaped rail system, the module being positionable within the rail system. A first surface of a first printed circuit board (PCB) is positioned on the bottom surface of the rail system and a pair of parallel conductive members are positioned on the second surface of the PCB. The bottom surface of the module has a plurality of spaced openings through which are inserted input power detents which contact corresponding conductive members. The power detents are connected to a circuit which converts the 24 VDC power input to a constant current; the output of the circuit being coupled to a second PCB upon which is mounted the LEDs. Openings are formed in the sides of the rail system and detents, positioned on the sides of the module, engage corresponding openings formed in the rail system sides to lock the module in position within the rail system.Type: ApplicationFiled: June 8, 2006Publication date: December 13, 2007Inventors: Pervaiz Lodhie, Kevin T. Sweeney
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Patent number: 7306359Abstract: A recessed, adjustable, low voltage track light is shown comprising a recess housing made of any suitable material, and having one or more low voltage lighting rails fixed, or adjustably mounted, within the housing. One or more low voltage lamps can be mounted to the lighting rail or rails anywhere along their linear length. A low voltage power supply is electrically connected to the lighting rail or rails. The low voltage power supply may be mounted within or without the housing. The housing may be installed within a ceiling or wall cavity, or be suspended in space.Type: GrantFiled: February 17, 2005Date of Patent: December 11, 2007Inventor: Ronald P. Harwood
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Publication number: 20070253207Abstract: A rail mounting assembly for coupling a flashlight or other instrument to a fixed point on a person's body, clothing, equipment or accessories allows a user to direct or otherwise fix light upon a person or area of interest.Type: ApplicationFiled: April 23, 2007Publication date: November 1, 2007Inventors: Christopher E. Coombs, Alan T. Howe
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Patent number: 7275843Abstract: Disclosed is a PAR track light fixture having an internal wire way. The PAR track light fixture has an opened ring design separating outer ring which peripherally surrounds the outer edge of the PAR lamp. The ring is separated from the socket cup thereby exposing an outer reflector section of the PAR lamp. In combination with the open ring design of the present invention, it is an internal wire way which encloses all electrical conductivity from the track connector through a stem or blade and supporting arc sections to the socket cup and lamp.Type: GrantFiled: August 5, 2005Date of Patent: October 2, 2007Assignee: Genlyte Thomas Group LLCInventors: Alejandro Mier-Langner, James E. Kuchar, Robert S. Gosnell
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Patent number: 7246935Abstract: A line voltage track light system comprising a number of track elements supported by ceiling feed mounts secured to a ceiling on the one hand, and clipped to the track elements by one-piece adaptors on the other hand, wherein installation of the line voltage track light system comprises securing ceiling feed mounts to a ceiling, and clipping the track elements to one-piece adaptors supported by rods extending from the ceiling feed mounts.Type: GrantFiled: February 24, 2005Date of Patent: July 24, 2007Assignee: Bazz Inc.Inventors: Simon Benghozi, Cedric Caloin
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Patent number: 7244039Abstract: A track assembly is adapted to be coupled beneath eaves of a building. The track assembly has forward and return. A slot is provided in the lower surface of the forward track. Spaced balls are provided in each track. A primary cord is in a continuous loop extending through the forward and return tracks. A plurality of secondary members is adapted to depend from the primary cord through the slot to beneath the track assembly. A spool is provided in proximity to the track assembly and primary cord. A motor rotates the spool and moves the primary cord in a first direction to position the secondary members in the forward track in an operative orientation and in a secondary direction to position the secondary members in an inoperative orientation.Type: GrantFiled: May 23, 2006Date of Patent: July 17, 2007Inventors: Todd O. Emmons, Teresa C. Emmons
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Publication number: 20070153550Abstract: Lighting systems and methods are described, including track lighting systems and methods.Type: ApplicationFiled: December 30, 2005Publication date: July 5, 2007Applicant: Cooper Technologies CompanyInventors: Gregg Arthur Lehman, Paul James Bartlett, Steen Vann
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Patent number: 7210813Abstract: A multi-function lighting module providing two or more possible light source capabilities, such as ambient and/or focused and or emergency lighting where power is supplied by an existing bus system, and the module is connected to the existing bus system by a tool-less means of connection.Type: GrantFiled: August 26, 2005Date of Patent: May 1, 2007Inventor: Ronald P. Harwood
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Patent number: 7175300Abstract: The present invention provides a side-entry lamping fixture and cartridge, comprising a fixture having an upper fixture wall and a lower fixture wall, first and second sidewalls joining said upper and lower fixture walls and, at least one of the first and second sidewalls having a re-lamping aperture. The apparatus further comprises a lamping cartridge having a cover including a socket attached to the cover, a lamp in electrical communication with the socket and a fastening portion extending from the cover. The fixture and cartridge provide for a removable lamp which may be replaced without interfering with the fixture walls or a reflector therein, yet remain properly oriented when installed.Type: GrantFiled: May 6, 2004Date of Patent: February 13, 2007Assignee: Genlyte Thomas Group LLCInventor: Andrew E. Medeiros
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Patent number: 7137727Abstract: An electrical track lighting system. The track lighting system includes a bendable track that includes a foamed adhesive strip on the upper surface separating two conductor rails. The track is cut to length and secured to the desired surface by the adhesive strip. Light fixtures having spring clip members with electrical contact surfaces engage onto the upper surface conductor rails of the track. Low voltage power is supplied to the track from an adhesive mounted transformer/dimmer switch through an adhesive backed power strip with adjustable angle snap connector.Type: GrantFiled: March 3, 2003Date of Patent: November 21, 2006Assignee: Litesnow LLCInventors: Mark Joseph, Janson Simpson
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Patent number: 7063451Abstract: A track light assembly adopted for a track light has a conduction track having two lateral sidewalls opposing each other, two lateral retaining members extending inwardly from the two lateral sidewalls respectively, a cavity formed between the two lateral sidewalls, and a cutout formed between the two lateral retaining member and communicating with the cavity. The track light assembly further includes an insulation strip disposed in the cavity and having an opening relating to the cutout, and a conduction strip made of conductive materials. The conduction strip is partially disposed in the insulation strip and partially exposed out of the insulation strip via the opening. The track light is provided firm connection to the track light assembly with an easy assembly and removal, the track light assembly can prolong the life thereof accordingly.Type: GrantFiled: April 21, 2004Date of Patent: June 20, 2006Inventor: Wei Hong Shen
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Patent number: 7056007Abstract: A track lamp assembly and a display with the track lamp assembly are described. The track lamp assembly has a track subassembly and a track lamp. The display with a track lamp assembly has a track subassembly, a support mechanism, a shelf and a track lamp. The track subassembly has a track. The track has a base. A plurality of elongate holes is defined in the base along a longitudinal direction of the track. The support mechanism is attached to some of the elongate holes of the track. The shelf is positioned at the support mechanism. The track lamp is attached to one of the elongate holes of the track, whereby the track lamp assembly is assembled to form a display. Thus, it is ready to assemble a display with a good shape.Type: GrantFiled: May 13, 2004Date of Patent: June 6, 2006Inventor: Hwa Jung Chiu
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Patent number: 6979097Abstract: The invention is a modular ambient lighting system for providing lighting to the interior of the building. The system features three separate modules: (1) a support module, (2) a power module, and (3) a light fixture body module. The support module provides an electrical connection to the building and structural connection to the ceiling of the building. An interchangeable power module fits into a recess or “foot print” in the support module. The power module includes the electrical components of the lighting system (e.g. ballast, transformer, emergency batteries, etc). An interchangeable light fixture body module houses the lamp that can be configured to deliver direct, indirect, or direct/indirect illumination. The interchangeable features of the modules offers superior flexibility because of the ease to reconfigure the electrical operation of the light system, the type illumination delivered, or the aesthetics of the light system.Type: GrantFiled: March 18, 2003Date of Patent: December 27, 2005Inventors: Thomas E. Elam, Timothy P. Scherf
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Patent number: 6976776Abstract: Systems and techniques are described to provide a bulb insertion structure of a vehicular lamp which allows bulb replacement and accurate positioning of a bulb with respect to a reflector. In general, in one implementation, a bulb insertion structure of a vehicular lamp includes a plurality of fixing protrusions formed on an outer periphery of a rear end portion of a cylindrical socket fixture fixed in a bulb insertion hole of a reflector; a plurality of engaging protrusions formed on an outer periphery of a focus ring provided on a bulb and corresponding to the fixing protrusions; and a cup-shaped socket covering the outer periphery of the socket fixture from the rear, the socket incorporating a spring for pressing forward the rear end portion of the accommodated bulb, and having an outer peripheral wall provided with, at multiple locations corresponding to the fixing protrusions, an engaging notch (J-slot) for holding the engaging protrusion and the fixing protrusion overlapped together.Type: GrantFiled: July 30, 2003Date of Patent: December 20, 2005Assignee: Koito Manufacturing Co., Ltd.Inventors: Susumu Kakidaira, Takaaki Miyazaki