Lens barrel and imaging device
AssigneeNikon Corporation
InventorsKosuke HAGIWARA, Takuji HAMASAKI, Nobuaki TAKAHASHI
Life of this patent
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Abstract
A lens barrel includes a moving unit having a first protrusion, a driving unit configured to move the moving unit straight in an optical axis direction, a first barrel having a first cam groove, which engages with the first protrusion, and a second cam groove, and a first lens holding frame that has a second protrusion, which engages with the second cam groove, and holds a first lens, wherein the first barrel rotates as the moving unit moves in the optical axis direction, and the rotation of the first barrel moves the first holding frame in the optical axis direction.
Claims10
A lens barrel comprising:
- a moving unit having a first protrusion;
- a driving unit configured to move the moving unit straight in an optical axis direction;
- a first barrel having a first cam groove, which engages with the first protrusion, and a second cam groove;
- and
- a first lens holding frame that has a second protrusion, which engages with the second cam groove, and holds a first lens,
- wherein the first barrel rotates as the moving unit moves in the optical axis direction, and
- wherein the rotation of the first barrel moves the first holding frame in the optical axis direction.
Dependencies are inferred from the claim text.