A downlight for installation in a support surface, such as a ceiling 101 comprises a lamp housing 701 insertable into an aperture of the support surface 101 and comprises a first seating flange 703 for seating against a first face of the support surface 101. A lamp housing collar 702 comprises a second seating flange 704 for seating against a second face of the support surface 101. A securing arrangement engages the lamp housing collar 702 and the lamp housing 701 in an engaged condition in which the support surface 102 is received between the first and second seating flanges 703, 704 and the lamp housing 701 and lamp housing collar 702 form an airtight hood for a lamp 202. The securing arrangement is adjustable to adjust the distance that the first and second seating flanges 702, 703 are spaced apart.
Downlight installation
2020-03-04
Patent
Electronic Resource
English
Downlight with illumination angle adjustable polydirectionally
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