JP2015152875A5 - - Google Patents

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Publication number
JP2015152875A5
JP2015152875A5 JP2014029045A JP2014029045A JP2015152875A5 JP 2015152875 A5 JP2015152875 A5 JP 2015152875A5 JP 2014029045 A JP2014029045 A JP 2014029045A JP 2014029045 A JP2014029045 A JP 2014029045A JP 2015152875 A5 JP2015152875 A5 JP 2015152875A5
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Japan
Prior art keywords
view
fixed cylinder
cam assembly
assembly unit
present
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JP2014029045A
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Japanese (ja)
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JP2015152875A (en
JP6173942B2 (en
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Priority to JP2014029045A priority Critical patent/JP6173942B2/en
Priority claimed from JP2014029045A external-priority patent/JP6173942B2/en
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Publication of JP2015152875A5 publication Critical patent/JP2015152875A5/ja
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Description

本発明の実施形態であるところのレンズ鏡筒の斜視図である。1 is a perspective view of a lens barrel that is an embodiment of the present invention. FIG. 本発明の実施形態であるところのレンズ鏡筒の分解斜視図である。1 is an exploded perspective view of a lens barrel according to an embodiment of the present invention. 本発明の実施形態における広角端にした状態のカム組みユニット100の側面図である。FIG. 3 is a side view of the cam assembly unit 100 in a state of being at a wide angle end in the embodiment of the present invention. 本発明の実施形態における望遠端にした状態のカム組みユニット100の側面図である。FIG. 3 is a side view of the cam assembly unit 100 in a state of being in a telephoto end in the embodiment of the present invention. 本発明の実施形態における固定筒110の側面図である。It is a side view of the fixed cylinder 110 in embodiment of this invention. 本発明の実施形態における固定筒110の背面図である。It is a rear view of the fixed cylinder 110 in the embodiment of the present invention. 本発明の実施形態における固定筒110のA−A断面図である。It is AA sectional drawing of the fixed cylinder 110 in embodiment of this invention. 本発明の実施形態における調芯治具800によって固定されたカム組みユニット100の背面図である。It is a rear view of the cam assembly unit 100 fixed with the alignment jig | tool 800 in embodiment of this invention.

図3は広角端にした状態のカム組みユニット100の側面図であり、図4は望遠端にした状態のカム組みユニット100の側面図である。また、図5はカム組みユニット100を構成する筒のひとつである固定筒110の側面図であり、図6は固定筒110の背面図である。図6によれば、固定筒110はその後端部に6つのビス穴111が設けられており、外観ユニット900に締結される。即ち、ズームやフォーカシング等の動作でレンズ鏡筒の全長が変化しても、固定筒110は光軸上を移動も回転もせず、マウント部材や撮像面との相対位置や姿勢は一定である。また図3と図4とを対比すれば、いずれのズームポジションにおいても固定筒110の姿勢が変化しないのがわかる。また、いずれのズームポジションにおいても固定筒110の後部は露出しており、固定筒110の後部表面に設けられた溝部112Aに常にアクセス可能な構成を採っている。

FIG. 3 is a side view of the cam assembly unit 100 in a state at the wide-angle end, and FIG. 4 is a side view of the cam assembly unit 100 in a state at the telephoto end. FIG. 5 is a side view of a fixed cylinder 110 that is one of the cylinders constituting the cam assembly unit 100, and FIG. 6 is a rear view of the fixed cylinder 110. According to FIG. 6, the fixed cylinder 110 is provided with six screw holes 111 at the rear end thereof, and is fastened to the appearance unit 900. That is, even if the total length of the lens barrel is changed by an operation such as zooming or focusing, the fixed barrel 110 does not move or rotate on the optical axis, and the relative position and posture with respect to the mount member and the imaging surface are constant. Also, comparing FIG. 3 and FIG. 4, it can be seen that the posture of the fixed cylinder 110 does not change at any zoom position. Further, at any zoom position, the rear portion of the fixed cylinder 110 is exposed, and the groove 112A provided on the rear surface of the fixed cylinder 110 is always accessible.

JP2014029045A 2014-02-19 2014-02-19 Lens barrel Active JP6173942B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014029045A JP6173942B2 (en) 2014-02-19 2014-02-19 Lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014029045A JP6173942B2 (en) 2014-02-19 2014-02-19 Lens barrel

Publications (3)

Publication Number Publication Date
JP2015152875A JP2015152875A (en) 2015-08-24
JP2015152875A5 true JP2015152875A5 (en) 2016-12-01
JP6173942B2 JP6173942B2 (en) 2017-08-02

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ID=53895143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014029045A Active JP6173942B2 (en) 2014-02-19 2014-02-19 Lens barrel

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JP (1) JP6173942B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009169232A (en) * 2008-01-18 2009-07-30 Canon Inc Lens barrel for camera
JP2011095618A (en) * 2009-10-30 2011-05-12 Fujifilm Corp Lens device
WO2013175944A1 (en) * 2012-05-22 2013-11-28 コニカミノルタ株式会社 Imaging device

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