US 11,892,755 B2
Lens unit and imaging device
Takeya Abe, Saitama (JP); Keito Kamio, Saitama (JP); Ryosuke Nagami, Saitama (JP); Shinichiro Fujiki, Saitama (JP); Kazuaki Okamori, Saitama (JP); and Yuya Sakai, Saitama (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Feb. 2, 2023, as Appl. No. 18/163,847.
Application 18/163,847 is a continuation of application No. 17/206,133, filed on Mar. 19, 2021, granted, now 11,609,484.
Application 17/206,133 is a continuation of application No. PCT/JP2019/035071, filed on Sep. 5, 2019.
Claims priority of application No. 2018-182326 (JP), filed on Sep. 27, 2018.
Prior Publication US 2023/0185167 A1, Jun. 15, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G03B 17/14 (2021.01); G02B 7/10 (2021.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)
CPC G03B 17/14 (2013.01) [G02B 7/10 (2013.01); H04N 23/51 (2023.01); H04N 23/55 (2023.01)] 9 Claims
OG exemplary drawing
 
1. A lens unit comprising:
a lens;
a lens holding member that holds the lens; and
a guide shaft that guides movement of the lens holding member in a direction of an optical axis of the lens,
wherein the lens holding member includes a guided portion that is slidably supported by the guide shaft, the guided portion including a first bearing portion and a second bearing portion disposed to be spaced apart from each other in the direction of the optical axis, and
the lens unit includes a first tilt-preventing member having a linear expansion coefficient lower than a linear expansion coefficient of the lens holding member, the first tilt-preventing member being fixed to a region of the guided portion positioned between the first bearing portion and second bearing portion.