US 11,859,781 B1
Portable illumination device
Gang Liu, San Jose, CA (US); Lili Shi, San Jose, CA (US); Yuqi Zhang, San Jose, CA (US); and Nan Shi, San Jose, CA (US)
Assigned to Analog Technologies, Inc., San Jose, CA (US)
Filed by Analog Technologies, Inc., San Jose, CA (US)
Filed on Aug. 8, 2022, as Appl. No. 17/818,358.
Int. Cl. F21L 4/04 (2006.01); F21V 21/40 (2006.01); F21L 4/08 (2006.01); F21V 23/04 (2006.01); F21Y 115/10 (2016.01)
CPC F21L 4/04 (2013.01) [F21L 4/085 (2013.01); F21V 21/406 (2013.01); F21V 23/0414 (2013.01); F21Y 2115/10 (2016.08)] 19 Claims
OG exemplary drawing
 
1. A portable illumination device comprising:
a first component having a light source; and
a second component coupled to the first component through a gear-shaped wheel with a wave-shaped surface that generates detent actions when the second component is rotated relative to the first component, the detent actions providing positioning of the first component relative to the second component for light beam pointing,
the second component comprising a curved handle containing one or more battery cells within the curved handle,
wherein the light source is powered via the one or more battery cells,
wherein a center of mass of the illumination device is located in the curved handle to thereby facilitate a user's holding the curved handle at the center of mass, and
wherein the curved handle comprises a C-shaped portion having an anti-skid textured surface opposing the first component.