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US 5,294,954 AGranted
Rotatably controllable lens hood and cover unit
AssigneeAsahi Kogaku Kogyo Kabushiki Kaisha
InventorsHiroshi Nomura, Tomoaki Kobayashi
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AssigneeAsahi Kogaku Kogyo Kabushiki Kaisha
InventorsHiroshi Nomura, Tomoaki Kobayashi
Estimating the term…
A cover unit for lens unit having a lens barrel, which has a cylindrical support member to be coupled to an end of the lens barrel, at least one engaging pin member is provided at a predetermined position on the outer circumferential surface thereof. Further, the cover unit has a cylindrical hood member capable of being superposed on the lens barrel, at least one cam groove to slidably receive the at-least-one engaging pin member therein being formed on the inner circumferential surface of the hood member, wherein by means of the engagement of the at-least-one engaging pin member with the at-least-one cam groove, the hood member moves in its axial direction relative to the support member upon rotation of the hood member relative to the support member. Lens barriers are supported by the support member for covering the end of the lens barrel, the lens barrier means being openable. The lens barriers are driven in accordance with the movement of the hood member.
A cover unit for a lens unit having a lens barrel, said cover unit comprising:
The cover unit according to claim 19, wherein said at-least-one plate member is opened at an angle at which the angle of view of said lens unit is not interfered by said plate member.
A lens unit, comprising:
A camera, comprising:
Dependencies are inferred from the claim text.