LENS BARREL
PROBLEM TO BE SOLVED: To provide a lens barrel equipped with a mechanism for removing a backlash which occurs between itself and a guide shaft member.SOLUTION: The lens barrel includes: a movable frame 10 which moves to the direction of an optical axis O of a lens barrel; a first guide shaft 12 inst...
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| Main Author | |
|---|---|
| Format | Patent |
| Language | English |
| Published |
19.04.2012
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| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To provide a lens barrel equipped with a mechanism for removing a backlash which occurs between itself and a guide shaft member.SOLUTION: The lens barrel includes: a movable frame 10 which moves to the direction of an optical axis O of a lens barrel; a first guide shaft 12 installed in parallel with the optical axis of the lens barrel; a second guide shaft 13 installed in parallel with the first guide shaft; a first fitting part 10b installed in the movable frame so as to be fit into the first guide shaft; a second fitting part 10d installed in the movable frame so as to be fit into the second guide shaft; energizing means 17 installed in the first fitting part for energizing the movable frame to the direction of the second fitting part; and backlash removing means 10e installed in the second fitting part so as to remove a backlash which occurs when the second fitting part is fit into the second guide shaft. |
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| AbstractList | PROBLEM TO BE SOLVED: To provide a lens barrel equipped with a mechanism for removing a backlash which occurs between itself and a guide shaft member.SOLUTION: The lens barrel includes: a movable frame 10 which moves to the direction of an optical axis O of a lens barrel; a first guide shaft 12 installed in parallel with the optical axis of the lens barrel; a second guide shaft 13 installed in parallel with the first guide shaft; a first fitting part 10b installed in the movable frame so as to be fit into the first guide shaft; a second fitting part 10d installed in the movable frame so as to be fit into the second guide shaft; energizing means 17 installed in the first fitting part for energizing the movable frame to the direction of the second fitting part; and backlash removing means 10e installed in the second fitting part so as to remove a backlash which occurs when the second fitting part is fit into the second guide shaft. |
| Author | SUNAGA MASAAKI |
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| Snippet | PROBLEM TO BE SOLVED: To provide a lens barrel equipped with a mechanism for removing a backlash which occurs between itself and a guide shaft member.SOLUTION:... |
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| SubjectTerms | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| Title | LENS BARREL |
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