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US 7,248,422 B2Granted
Lens barrel
AssigneeFujinon Corporation
InventorNaoki Nishimoto
Life of this patent
Estimating the term…
Abstract
A lens barrel is provided and includes a barrel main body; lens frames supported by the barrel main body so as to be movable in the direction of an optical axis; a focus ring and a zoom ring which are rotatably supported by the barrel main body and move the lens frames in the direction of the optical axis; and a diaphragm device attached to the barrel main body. The focus ring and the zoom ring come into contact with a rotation regulatory section of the diaphragm device, whereby rotation of the focus ring and rotation of the zoom ring are regulated.
Claims6
A lens barrel comprising:
- a barrel main body;
- a lens frame supported by the barrel main body so as to be movable in a direction of an optical axis of the lens barrel;
- an operation ring rotatably supported by the barrel main body and moves the lens frame in the direction of the optical axis;
- and
- a diaphragm device attached to the barrel main body,
- wherein the operation ring comes into contact with a portion of the diaphragm device so that rotation of the operation ring is regulated.
3 more elements
Dependencies are inferred from the claim text.