US 12,439,010 B2
Rotation wheel and projection apparatus
Yao-Chien Chuang, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (TW)
Filed on Oct. 21, 2022, as Appl. No. 17/970,581.
Claims priority of application No. 202122563174.7 (CN), filed on Oct. 25, 2021.
Prior Publication US 2023/0126398 A1, Apr. 27, 2023
Int. Cl. H04N 9/31 (2006.01); G02B 26/00 (2006.01)
CPC H04N 9/3158 (2013.01) [G02B 26/008 (2013.01); H04N 9/3197 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A rotation wheel, comprising: a substrate, a driving assembly, a clamping member and a balancing assembly; wherein
the driving assembly is connected with the substrate, and is configured to drive the substrate to rotate around an axis of the driving assembly as a central axis;
the clamping member is disposed along the axis on the substrate; and
the balancing assembly comprises at least one balancing member, an adhesive material and at least one channel, wherein
the adhesive material encapsulates the at least one balancing member and is filled into the at least one channel to fix the balancing assembly onto the clamping member; and
the at least one channel is a slot penetrating the at least one balancing member or a plurality of through holes penetrating the at least one balancing member and separated from each other.