US 11,988,356 B2
Ceiling-mounted LED light assembly
Norm David, Port Coquitlam (CA); Igor Sanabio, Port Coquitlam (CA); and Russ Jensen, Port Coquitlam (CA)
Assigned to LIGHTHEADED LIGHTING LTD., Port Coquitlam (CA)
Filed by Lightheaded Lighting Ltd., Port Coquitlam (CA)
Filed on Oct. 26, 2022, as Appl. No. 18/049,928.
Application 18/049,928 is a continuation of application No. 17/320,828, filed on May 14, 2021, granted, now 11,674,649.
Claims priority of application No. 3114542 (CA), filed on Apr. 12, 2021.
Prior Publication US 2023/0060375 A1, Mar. 2, 2023
Int. Cl. F21S 8/02 (2006.01); F21V 17/06 (2006.01); F21V 19/02 (2006.01); F21V 29/507 (2015.01); F21Y 105/18 (2016.01); F21Y 115/10 (2016.01)
CPC F21S 8/026 (2013.01) [F21V 17/06 (2013.01); F21V 19/02 (2013.01); F21V 29/507 (2015.01); F21Y 2105/18 (2016.08); F21Y 2115/10 (2016.08)] 16 Claims
OG exemplary drawing
 
1. A method of installing a downlight assembly in a ceiling opening, the method comprising:
inserting a collar in the ceiling opening, the collar comprising;
a cylindrical sleeve;
a flange structure outward around a bottom edge of the sleeve for abutting against an underside of the ceiling;
a first circular shoulder about the interior of the sleeve, the shoulder including bores for receiving threaded fasteners;
at least two feet disposed within recesses in an exterior of the cylindrical sleeve and pivotally coupled to the sleeve by respective ones of the threaded fasteners;
rotating the threaded fasteners to pivot the feet outwards above an upper surface of the ceiling and clamp the ceiling between the feet and the flange structure;
inserting the downlight assembly upwards through the collar to abut against a circular abutment surface disposed about the interior of the sleeve; and
seating a retainer ring assembly against a second circular shoulder inboard of the first circular shoulder, the retainer ring assembly retaining the downlight assembly against the abutment surface.