IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0581688
(2009-10-19)
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등록번호 |
US-8827512
(2014-09-09)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Hunter Industries Incorporated
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
36 |
초록
▼
A light fixture for use in low voltage outdoor lighting systems includes a lens assembly with a cylindrical diffuser lens disposed on top of a lens support, and a reflector hood with a crown portion and a flared portion. The lens and reflector hood are attached by means of a resilient ring with an a
A light fixture for use in low voltage outdoor lighting systems includes a lens assembly with a cylindrical diffuser lens disposed on top of a lens support, and a reflector hood with a crown portion and a flared portion. The lens and reflector hood are attached by means of a resilient ring with an annular channel that fits over the upper edge of the lens. When the lens and ring are pushed into crown portion of the hood, the ring is compressed to create an interference fit that holds the lens within the crown portion. A second resilient ring may be placed over the lower edge of the lens to produce a similar interference fit with the upper portion of the lens support. In one embodiment, a molded plastic hood liner is attached to the inner surface of the hood to provide a reflective surface.
대표청구항
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1. A light fixture, comprising: a cylindrical lens having an upper edge, a lower edge, and an outer diameter;a lens support having a support surface for supporting the lower edge of the lens;a reflector hood having a crown portion and a flared portion, the crown portion defining a recess that has a
1. A light fixture, comprising: a cylindrical lens having an upper edge, a lower edge, and an outer diameter;a lens support having a support surface for supporting the lower edge of the lens;a reflector hood having a crown portion and a flared portion, the crown portion defining a recess that has a diameter and an inner sidewall that fits over and encloses the upper edge of the cylindrical lens cylinder; andan annular channel formed from a resilient material having a U-shaped cross-section with an inner channel wall and an outer channel wall extending from a base portion to fit over and cover the upper edge of the cylindrical lens, wherein the outer channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens and the inner sidewall of the hood recess to releasably attach and seal the cylindrical lens to the reflector hood. 2. The light fixture of claim 1, further comprising a hood liner having a shape to closely fit within the interior of the reflector hood and between the annular channel on the upper edge of the cylindrical lens and the recess of the reflector hood, wherein the hood liner comprises a reflective surface. 3. The light fixture of claim 2, wherein the hood liner is molded from a thermoplastic polymer. 4. The light fixture claim 2, wherein the hood liner is attached to the interior of the reflector hood by an adhesive. 5. The light fixture of claim 2, wherein the hood liner is attached to the interior of the hood by a releasable fastening means. 6. The light fixture of claim 2, wherein the hood liner has a crown portion with a channel for receiving the upper edge of the cylindrical lens and the annular channel. 7. The light fixture of claim 1, wherein the recess in the crown portion comprises an annular channel dimensioned to receive the annular channel and the upper edge of the cylindrical lens. 8. The light fixture of claim 1, wherein the cylindrical lens is retained on the lens support by a second annular channel formed from a resilient material having a U-shaped cross-section with an inner channel wall and an outer channel wall extending from a base portion that fits over the lower edge of the cylindrical lens wherein one of the inner channel wall and the outer channel wall of the second annular channel is adapted to be compressed to produce a releasable and resealable interference fit between the lower edge of the cylindrical lens and a sidewall of an upper portion of the lens support to releasably attach and seal the cylindrical lens to the lens support. 9. The light fixture of claim 8, wherein the upper portion of the lens support encloses the lower edge of the cylindrical lens. 10. The light fixture of claim 8, wherein the cylindrical lens encloses the upper portion of the lens support. 11. The light fixture of claim 1, wherein the reflector hood is formed from copper. 12. The light fixture of claim 1, wherein the reflector hood is formed from powder-coated or plated metal. 13. A light fixture, comprising: a reflector hood having a crown portion and a flared portion, the crown portion defining a first recess;a hood liner affixed to a lower surface of the reflector hood, the hood liner having a shape to conform to and closely fit within the lower surface of the reflector hood, the hood liner having a second crown portion that fits within the first recess, the second crown portion defining a second recess with an inner sidewall;a cylindrical lens having an upper edge, a lower edge, and an outer diameter that is adapted to be received within the second recess;a first annular channel formed from a resilient material having a U-shaped cross-section with a first inner channel wall and a first outer channel wall extending from a first base portion to fit over and cover the upper edge of the cylindrical lens, wherein the first outer channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens and the inner sidewall of the second recess to releasably attach and seal the cylindrical lens to the hood linera lens support having an upper portion and a lower portion, the lower portion defining a support surface for supporting the lower edge of the lens; anda second annular channel formed from a resilient material having a U-shaped cross-section with a second inner channel wall and a second outer channel wall extending from a second base portion to fit over and cover the lower edge of the cylindrical lens, wherein one of the second inner channel wall and the second outer channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens and a sidewall of the upper portion of the lens support so that the lower edge of the cylindrical lens is releasably attached and sealed to the lens support. 14. The light fixture of claim 13, wherein the hood liner is molded from a thermoplastic polymer. 15. The light fixture of claim 14, wherein the hood liner is attached to the lower surface of the reflector hood by an adhesive. 16. The light fixture of claim 14, wherein the hood liner is releasably attached to the lower surface of the reflector hood by a releasable fastening means. 17. The light fixture of claim 14, wherein the recess in the reflector hood comprises a channel. 18. The light fixture of claim 13, wherein the upper portion of the lens support encloses the lower edge of the cylindrical lens. 19. The light fixture of claim 13, wherein the cylindrical lens encloses the upper portion of the lens support. 20. The light fixture of claim 13, wherein the reflector hood is formed from copper. 21. The light fixture of claim 13, wherein the reflector hood is formed from powder-coated or plated metal. 22. A light fixture, comprising: a reflector hood having a crown portion and a flared portion, the crown portion defining a recess;a cylindrical lens having an upper edge, a lower edge, and an outer diameter that is adapted to be received within the recess;a first annular channel formed from a resilient material having a U-shaped cross-section with a first inner channel wall and a first outer channel wall extending from a first base portion to fit over and cover the upper edge of the cylindrical lens, wherein the first outer channel wall is adapted to be compressed between an outer surface of the cylindrical lens and an inner sidewall of the recess to releasably and resealably attach and seal the cylindrical lens within the recess;a lens support having an upper portion and a support surface for supporting the lower edge of the lens; anda second annular channel formed from a resilient material having a U-shaped cross-section with a second inner channel wall and a second outer channel wall extending from a second base portion to fit over and cover the lower edge of the cylindrical lens, wherein one of the second inner channel wall and the second outer channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens, and the upper portion of the lens supporta second annular channel formed from a resilient material having a U-shaped cross-section with a second inner channel wall and a second outer channel wall extending from a second base portion to fit over and cover the lower edge of the cylindrical lens, wherein one of the second inner channel wall and the second outer channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens and a sidewall of the upper portion of the lens support so that the lower edge of the cylindrical lens is releasably attached and sealed to the lens support. 23. The light fixture of claim 22, further comprising a hood liner attached to a lower surface of the reflector hood, the hood liner having a shape to conform to and closely fit within the lower surface of the reflector hood, the hood liner having a second crown portion that fits within the recess of the reflector hood, the second crown portion defining a second recess which cooperates with the first annular channel to produce an interference fit between the cylindrical lens and the hood liner. 24. The light fixture of claim 23, wherein the hood liner is molded from a thermoplastic polymer. 25. The light fixture of claim 23, wherein the hood liner is attached to the lower surface of the reflector hood by an adhesive. 26. The light fixture of claim 23, wherein the hood liner is attached to the lower surface of the reflector hood by a releasable fastening means. 27. The light fixture of claim 22, wherein the recess in the reflector hood comprises a channel. 28. The light fixture of claim 22, wherein the upper portion of the lens support encloses the lower edge of the cylindrical lens. 29. The light fixture of claim 22 wherein the cylindrical lens encloses the upper portion of the lens support. 30. The light fixture of claim 22, wherein the reflector hood is formed from copper. 31. The light fixture of claim 22, wherein the reflector hood is formed from powder-coated or plated metal. 32. A light fixture, comprising: a cylindrical lens having an upper edge, a lower edge, an inner diameter, and an outer diameter;a lens support having a support surface for supporting the lower edge of the lens;a reflector hood having a crown portion and a flared portion, the crown portion defining an interior recess for receiving the upper edge of the lens, the crown portion including aan annular channel formed from a resilient material having a U-shaped cross-section with an inner channel wall and an outer channel wall extending from a base portion adapted to removably and replaceably fit over and cover the upper edge of the cylindrical lens, the resilient ring having an inner diameter dimensioned wherein the inner channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens and an outer sidewall of the cylindrical extension of the crown portion to releasable attach and seal the cylindrical lens to the reflector hood. 33. The light fixture of claim 32, further comprising a hood liner having a shape to closely fit within the interior of the reflector hood wherein the hood liner comprises a reflective surface. 34. The light fixture of claim 33, wherein the hood liner is molded from a thermoplastic polymer. 35. The light fixture claim 33, wherein the hood liner is attached to the interior of the reflector hood by an adhesive. 36. The light fixture of claim 33, wherein the hood liner is attached to the interior of the hood by a releasable fastening means. 37. The light fixture of claim 32, wherein the cylindrical lens is retained on the lens support by a second annular channel formed from a resilient material having a U-shaped cross-section with an inner channel wall and an outer channel wall extending from a base portion that fits over the lower edge of the cylindrical lens wherein one of the inner channel wall and the outer channel wall of the second annular channel is adapted to be compressed to produce a releasable and resealable interference fit between the lower edge of the cylindrical lens and a sidewall of an upper portion of the lens support to releasably attach and seal the cylindrical lens to the lens support. 38. The light fixture of claim 37, wherein the upper portion of the lens support encloses the lower edge of the cylindrical lens. 39. The light fixture of claim 37, wherein the cylindrical lens encloses the upper portion of the lens support. 40. The light fixture of claim 32, wherein the reflector hood is formed from copper. 41. The light fixture of claim 32, wherein the reflector hood is formed from powder-coated or plated metal. 42. A light fixture, comprising: a cylindrical lens having an upper edge and a lower edge;a lens support having a support surface for supporting the lower edge of the lens;a reflector hood having a flared portion and a crown portion with an inner sidewall that encloses the upper edge of the cylindrical lens; anda resilient ring having an annular channel formed from a resilient material having a U-shaped cross-section with an inner channel wall and an outer channel wall extending from a base portion to fit over and cover the upper edge of the cylindrical lens, wherein one of the inner channel wall and the outer channel wall is adapted to be compressed to produce a releasable and resealable interference fit between the cylindrical lens, and the crown portion to releasably attach and seal the cylindrical lens to the reflector hood. 43. The light fixture of claim 42, wherein the cylindrical lens is retained on the lens support by a second annular channel formed from a resilient material having a U-shaped cross-section with an inner channel wall and an outer channel wall extending from a base portion that fits over the lower edge of the cylindrical lens wherein one of the inner channel wall and the outer channel wall of the second annular channel is adapted to be compressed to produce a releasable and resealable interference fit between the lower edge of the cylindrical lens and a sidewall of an upper portion of the lens support to releasably attach and seal the cylindrical lens to the lens support. 44. The light fixture of claim 43, wherein the upper portion of the lens support encloses the lower edge of the cylindrical lens. 45. The light fixture of claim 43, wherein the cylindrical lens encloses the upper portion of the lens support. 46. The light fixture of claim 42, wherein the interference fit is created between the upper edge of the lens, the resilient ring and the inner sidewall of the crown portion. 47. The light fixture of claim 42, wherein the crown portion has a cylindrical extension extending downward therefrom, the extension having a diameter adapted to fit within the lens, wherein the interference fit is created by compressing the inner channel sidewall between the cylindrical extension and the upper edge of the lens.
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