US 11,674,670 B2
Downlight apparatus
Jinfu Chen, Xiamen (CN); Lina Bai, Xiamen (CN); Ying Chen, Xiamen (CN); Zhenyu Tang, Xiamen (CN); Shuxing Gao, Xiamen (CN); and Yongzhe Dong, Xiamen (CN)
Assigned to XIAMEN ECO LIGHTING CO. LTD., Xiamen (CN)
Filed by XIAMEN ECO LIGHTING CO. LTD.
Filed on Sep. 16, 2021, as Appl. No. 17/477,120.
Claims priority of application No. 202022031847.X (CN), filed on Sep. 16, 2020; application No. 202022032149.1 (CN), filed on Sep. 16, 2020; and application No. 202022033977.7 (CN), filed on Sep. 16, 2020.
Prior Publication US 2022/0082235 A1, Mar. 17, 2022
Int. Cl. F21V 21/04 (2006.01); F21S 8/02 (2006.01); F21V 23/04 (2006.01); F21V 23/00 (2015.01); F21V 21/38 (2006.01); F21V 21/15 (2006.01); F21Y 113/10 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 21/04 (2013.01) [F21S 8/026 (2013.01); F21V 21/15 (2013.01); F21V 21/38 (2013.01); F21V 23/003 (2013.01); F21V 23/008 (2013.01); F21V 23/009 (2013.01); F21V 23/04 (2013.01); F21Y 2113/10 (2016.08); F21Y 2115/10 (2016.08)] 17 Claims
OG exemplary drawing
 
1. A downlight apparatus, comprising:
a downlight housing with a surface rim and a downlight holder, wherein the surface rim defines a rim opening, wherein the surface rim conceals an installation cavity, wherein the downlight holder defines a holder space connected to the rim opening, wherein the downlight housing is attached in the installation cavity with a fixing unit;
a drawstring module for collecting a pullable wire, wherein the pullable wire is electrically connected to a power source; and
a light module with a light source and a light housing, wherein the light housing is connected to a bottom end of the pullable wire for electrically connecting the power source to the light source, wherein the light module is pulled out from the holder space to an adjustable distance from the rim opening with the pullable wire connecting the light module to the downlight housing,
wherein the drawstring module has a string box and a wiring bracket, wherein the wiring bracket has a rotation wheel for collecting the pullable wire, wherein the wiring bracket has an elastic module for providing an elastic force for pulling the pullable wire back to the rotation wheel, wherein the wiring bracket has a stop unit for keep the pullable wire to stay when no external pulling force is applied to the pullable wire, wherein the wiring bracket comprises a tilt sliding groove for guiding detaching the pullable wire from the stop unit temporarily.