US 12,031,700 B2
Trim unit for lamp and lamp
Yao Fu, Shanghai (CN); Yin Suo, Shanghai (CN); and Huisheng Zhou, Shanghai (CN)
Assigned to SAVANT TECHNOLOGIES LLC, East Cleveland, OH (US)
Filed by SAVANT TECHNOLOGIES LLC, East Cleveland, OH (US)
Filed on Jan. 10, 2022, as Appl. No. 17/572,498.
Claims priority of application No. 202120098252.8 (CN), filed on Jan. 14, 2021.
Prior Publication US 2022/0221134 A1, Jul. 14, 2022
Int. Cl. F21S 8/02 (2006.01); F21S 9/02 (2006.01); F21V 5/00 (2018.01); F21V 9/08 (2018.01); F21V 9/40 (2018.01); F21V 17/00 (2006.01); F21V 17/02 (2006.01); F21V 21/04 (2006.01)
CPC F21V 17/002 (2013.01) [F21S 9/02 (2013.01); F21V 5/00 (2013.01); F21V 9/08 (2013.01); F21V 9/40 (2018.02); F21V 17/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Apparatus comprising:
a trim ring for a lamp, the trim ring including plural lug bosses arranged along a circumference of the trim ring and configured for attachment to a lamp main body of the lamp at a light-emitting end of the lamp main body in a removable manner, such that the lug bosses are configured to be initially inserted into and brought into contact with a plurality of corresponding surfaces defining grooves uniformly arranged and leading into an adjacent portion of a guide rail arranged circumferentially along a side of the lamp main body and later rotated and moved onto the adjacent portion of the guide rail, thereby fixing the trim ring to the lamp main body, wherein the adjacent portion of the guide rail has a graduated thickness; and
an adjusting part configured for adjusting light emitted by an illuminating unit installed in the lamp main body.