Lens unit and imaging device
AssigneeFUJIFILM Corporation
InventorsTakeya Abe, Keito Kamio, Ryosuke Nagami, Shinichiro Fujiki, Kazuaki Okamori, Yuya Sakai
Life of this patent
Estimating the term…
Abstract
A lens unit includes a guided portion that includes a first bearing portion and a second bearing portion disposed to be spaced apart from each other in a direction X and is slidably supported by a guide shaft, and a lens holding member. 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 is fixed to a region of the guided portion positioned between the first bearing portion and second bearing portion.
Claims9
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.
Dependencies are inferred from the claim text.