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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Bibliographic Details
Main Author SUNAGA MASAAKI
Format Patent
LanguageEnglish
Published 19.04.2012
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary: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.
Bibliography:Application Number: JP20100225911