A lighting system has a sealable housing with a lamp cavity, a junction box and a partition wall there between with the junction box being laterally from beneath a lens opening. The system further includes a closure to close an access port in the partition wall which includes a conical wall with a c
A lighting system has a sealable housing with a lamp cavity, a junction box and a partition wall there between with the junction box being laterally from beneath a lens opening. The system further includes a closure to close an access port in the partition wall which includes a conical wall with a circular plate truncating the wall. The plate extends across the bottom of the housing and a vertically extending sealing flange receives the closure. A ballast assembly is also located from beneath the lens opening. A formed seal is positioned about a lens which extends inwardly to capture optic components beneath the lens. A locking ring is restrained from compressing against the mounting flange of the lens. A lighting system employing an LED board array and LED power control includes a heat sink beneath the board array extending downwardly to a radiator for transfer of heat from the array downwardly to the lamp cavity for dissipation.
대표청구항▼
What is claimed is: 1. A lighting system comprising a sealable housing including a top wall, a bottom wall, a lens seat in the top wall extending upwardly from the top wall and defining a lens opening, a lamp cavity, a junction box between the top wall and the bottom wall and a partition wall with
What is claimed is: 1. A lighting system comprising a sealable housing including a top wall, a bottom wall, a lens seat in the top wall extending upwardly from the top wall and defining a lens opening, a lamp cavity, a junction box between the top wall and the bottom wall and a partition wall with an access port therein bifurcating the housing between the lamp cavity and the junction box, the junction box having a potting cavity therein; a closure to close the access port; a socket assembly in the lamp cavity including a socket and a mount having a range of universal angular adjustment at the lens seat, the socket assembly depending from adjacent the lens seat, the potting cavity being laterally of the socket, the partition wall being displaced from beneath the lens opening to allow angular adjustment of the socket assembly with the closure closing the access port, the lamp cavity extending laterally from beneath the lens opening to a volume open to the lamp cavity, the closure including a concavity to receive the socket with the closure closing the access port. 2. The lighting system of claim 1, the access port having a closure seat about the periphery of the access port extending toward the lens seat, a plate extending across the bottom wall and a fastener engaging the bottom wall, the closure seating on the closure seat about the periphery of the access port facing the lamp cavity between the top wall and the bottom wall. 3. A lighting system comprising a sealable housing including a top wall, a bottom wall, a lens seat in the top wall defining a lens opening, a lamp cavity, a junction box and a partition wall with an access port therein bifurcating the housing between the lamp cavity and the junction box, the access port having a closure seat about the periphery of the access port extending toward the lens opening; a closure to close the access port, the closure seating on the closure seat about the periphery of the access port in movement toward the bottom wall and away from the lens opening, the closure seated on the closure seat facing the lamp cavity between the top wall and the bottom wall and including a plate extending across the bottom wall and a fastener engaging the bottom wall, the fastener being accessible through the lens opening, the lamp cavity extending laterally from beneath the lens opening to a volume open to the lamp cavity, the closure seat having a vertically extending seating flange, the closure including a channel about the periphery of the closure to seat on the seating flange, the plate being inwardly of the channel. 4. The lighting system of claim 3, the fastener being located concentrically of the lens opening. 5. The lighting system of claim 3, the lens seat extending upwardly from the top wall. 6. The lighting system of claim 3 further comprising a socket assembly in the lamp cavity, the potting cavity and the volume being laterally of the socket assembly. 7. The lighting system of claim 6 further comprising a ballast assembly in the volume defined within the lamp cavity and laterally of the socket assembly. 8. The lighting system of claim 3 further comprising a socket assembly in the lamp cavity accessible through the lens opening and including a socket, the access port facing the socket, the socket assembly depending from adjacent the lens seat. 9. The lighting system of claim 8, the junction box including a potting cavity, the potting cavity being laterally displaced from beneath the lens opening to either side of the socket. 10. The lighting system of claim 8, the socket being next adjacent the plate. 11. The lighting system of claim 8, the socket assembly including a mount having a range of universal angular adjustment at the lens seat, the access port being displaced laterally from the socket to allow angular adjustment of the socket assembly. 12. The lighting system of claim 3 further comprising a lens including a sight glass having an outer surface, a mounting flange about the periphery of the sight glass and displaced axially from the outer surface and a sealing groove about the under side of the mounting flange, the lens seat having an outer cylindrical body extending to an upper edge and a cylindrical sealing flange inwardly of the outer cylindrical body and extending upwardly to engage the sealing groove with the lens positioned in the lens opening; a formed gasket positionable about the sight glass and the upper, lower and peripheral sides of the mounting flange and across the sealing groove; a locking ring positionable about the sight glass and formed gasket above the mounting flange with the formed gasket filling between the sight glass and the locking ring, the locking ring engaging the upper edge of the outer cylindrical body. 13. The lighting system of claim 3 further comprising a lens including a sight glass having an outer surface, a mounting flange about the periphery of the sight glass and displaced axially from the outer surface and a sealing groove about the under side of the mounting flange, the lens seat having a cylindrical sealing flange extending upwardly to engage the sealing groove with the lens positioned in the lens opening, the mounting flange having a plurality of notches in the periphery of the mounting flange; a formed resilient gasket positionable about the sight glass and the upper, lower and peripheral sides of the mounting flange and across the sealing groove, the formed gasket extending into the plurality of notches and having first axial holes through the gasket in the notches; a locking ring positionable about the sight glass and formed gasket above the mounting flange including second axial holes aligned with the first axial holes with the locking ring positioned above the mounting flange; fasteners engageable with the sealable housing at the lens seat and positionable through the first and second axial holes. 14. The lighting system of claim 13, each of the fasteners including a smooth shank and an enlarged threaded end preventing facile retraction of the fastener from the first axial holes. 15. The lighting system of claim 13, the lens including a cavity inwardly of the mounting flange and adjacent the sight glass, the formed gasket including an edge extending into the cavity. 16. A lens assembly for an in-grade lighting system having a housing including a lens seat defining a lens opening, an outer cylindrical body extending to an upper edge and a cylindrical sealing flange inwardly of the outer cylindrical body and extending upwardly, comprising a lens including a sight glass having an outer surface, a mounting flange about the periphery of the sight glass and displaced axially from the outer surface and a sealing groove about the under side of the mounting flange, the cylindrical sealing flange extending upwardly to engage the sealing groove with the lens positioned in the lens opening, the mounting flange having a plurality of notches in the periphery of the mounting flange; a formed resilient gasket positionable about the sight glass and the upper, lower and peripheral sides of the mounting flange and across the sealing groove, the formed gasket extending into the plurality of notches and having first axial holes through the gasket in the notches; a locking ring positionable about the sight glass and formed gasket above the mounting flange with the formed gasket filling between the sight glass and the locking ring, the locking ring engaging the upper edge of the outer cylindrical body and including second axial holes aligned with the first axial holes fasteners engageable with the housing at the lens seat and positionable through the first and second axial holes. 17. The lighting system of claim 16, each of the fasteners including a smooth shank and an enlarged threaded end preventing facile retraction of the fastener from the first axial holes. 18. The lighting system of claim 16, the lens including a cavity inwardly of the mounting flange and adjacent the sight glass, the formed gasket including an edge extending into the cavity.
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