Zoom lens barrel for waterproof and/or water-resistant camera
AssigneeAsahi Kogaku Kogyo Kabushiki Kaisha
InventorHitoshi Tanaka
Life of this patent
Estimating the term…
Abstract
A zoom lens barrel having a movable lens barrel which is movable in an optical axis direction, and an opening in which the movable lens barrel is movable in the optical axis direction. The zoom lens barrel further includes a moving frame to which the movable lens barrel is secured to move in the optical axis direction together with the movable lens barrel, and an intermediary member which is positioned between the movable lens barrel and the moving frame. The movable lens barrel is secured to the moving frame through the intermediary member.
Claims45
A zoom lens barrel, comprising:
- a movable barrel in an optical axis direction;
- an opening in which said movable barrel is movable in the optical axis direction;
- a moving member to which said movable barrel is secured to move in the optical axis direction together with said movable barrel;
- an intermediary member positioned between said movable barrel and said moving member, said intermediary member being fixed with respect to said movable barrel, so that said intermediary member moves together with said movable barrel in the optical axis direction,
- wherein said movable barrel is secured to said moving member through said intermediary member.
A zoom lens barrel, comprising:
- a movable barrel movable in an optical axis direction;
- a moving member to be secured to a rearward portion of said movable barrel, said moving member being movable with said movable barrel;
- an intermediary member positioned between said movable barrel and said moving member,
- wherein said intermediary member is secured to said movable barrel be screws, and
- wherein said intermediary member is fitted in said moving member in a flush manner, said intermediary member being fixed to and movable together with said moving member in the optical axis direction.
A zoom lens barrel, comprising:
- a movable barrel movable in an optical axis direction;
- a ring member fitted in an inner periphery of said movable barrel and secured thereto by means of screws;
- and
- a moving member in which said ring member is fitted in a flush manner, said ring member being movable together with said moving member in the optical axis direction.
A zoom lens barrel, comprising:
- a moving member movable along an optical axis direction;
- a barrel movable along the optical axis direction, first connecting means provided in said barrel for connecting said barrel to said moving member;
- an intermediary member between said barrel and said moving member, and including second connecting means for connecting said barrel to said moving member;
- and
- said first and second connecting means being offset with respect to each other a predetermined distance along the optical axis direction such that said intermediary member is fixed to said barrel, and said moving member is secured to said barrel by engagement of said first connecting means of said barrel and said second connecting means of said intermediary member.
A zoom lens barrel according 27, wherein said second connecting means includes a plurality of threaded holes defined in said plurality of nuts, into which said plurality of screws are insertable to secure said barrel to said moving member.
A zoom lens barrel for a camera including a lens barrel movable in an optical axis direction and a frame to which said lens barrel is attached, said frame movable in the optical axis direction together with said lens barrel, said zoom lens barrel comprising:
- an intermediary member positioned between said lens barrel and said frame;
- and
- connecting means for rigidly connecting said intermediary member and said lens barrel, whereby said lens barrel is pressed against said frame in the optical axis direction by said connecting means.
Dependencies are inferred from the claim text.