JPH0435112U - - Google Patents

Info

Publication number
JPH0435112U
JPH0435112U JP7658890U JP7658890U JPH0435112U JP H0435112 U JPH0435112 U JP H0435112U JP 7658890 U JP7658890 U JP 7658890U JP 7658890 U JP7658890 U JP 7658890U JP H0435112 U JPH0435112 U JP H0435112U
Authority
JP
Japan
Prior art keywords
lens barrel
lead screw
zoom lens
frame
supported
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7658890U
Other languages
Japanese (ja)
Other versions
JP2533185Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7658890U priority Critical patent/JP2533185Y2/en
Publication of JPH0435112U publication Critical patent/JPH0435112U/ja
Application granted granted Critical
Publication of JP2533185Y2 publication Critical patent/JP2533185Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の一実施例を示すズームレンズ
鏡胴の横断平面図、第2図は要部を示した同ズー
ムレンズ鏡胴の簡略的な分解斜視図、第3図はば
ね腕の構成例を詳細に示した部分的な断面図、第
4図及び第5図はばね腕の圧接部の構成例を示し
た部分図、第6図〜第8図は従来のズームレンズ
鏡胴を示し、第6図は当該ズームレンズ鏡胴が備
えるズーム機構図、第7図は当該ズームレンズ鏡
胴が備えるフオーカス機構図、第8図はリードス
クリユー軸を押圧にする板ばねを取付けた状態を
示す部分的な斜視図である。 35……前側胴部、36……後側胴部、40,
41……リードスクリユー軸、42……軸受板、
43,44……軸孔、46……プリズム枠、47
,48……ばね腕、52……ズーム用の支持枠、
54……フオーカス用の支持枠。
Fig. 1 is a cross-sectional plan view of a zoom lens barrel showing an embodiment of the present invention, Fig. 2 is a simplified exploded perspective view of the zoom lens barrel showing the main parts, and Fig. 3 is a spring arm of the zoom lens barrel. FIGS. 4 and 5 are partial cross-sectional views showing examples of the structure of the pressure contact portion of the spring arm, and FIGS. 6 to 8 show a conventional zoom lens barrel. 6 is a diagram of the zoom mechanism of the zoom lens barrel, FIG. 7 is a diagram of the focus mechanism of the zoom lens barrel, and FIG. 8 is a state in which a leaf spring for pressing the lead screw shaft is attached. FIG. 35...front body part, 36...rear body part, 40,
41... Lead screw shaft, 42... Bearing plate,
43, 44... shaft hole, 46... prism frame, 47
, 48... Spring arm, 52... Support frame for zooming,
54... Support frame for focus.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レンズ支持枠をリードスクリユー軸の回転に連
動させて移動させ変倍する構成のズームレンズ鏡
胴において、リードスクリユー軸の一端部を鏡胴
固定部によつて支持させると共に、その他端部を
鏡胴内に固定した板材の軸孔を通して軸受し、か
つ、その先端部を、上記板材に取付けたプリズム
枠や鏡胴に取付けたレンズ枠などの光学枠体に一
体形成したばね部材によつて押圧する支軸機構を
備えたことを特徴とするズームレンズ鏡胴。
In a zoom lens barrel configured to change magnification by moving the lens support frame in conjunction with the rotation of the lead screw shaft, one end of the lead screw shaft is supported by the lens barrel fixing part, and the other end is supported by the lens barrel fixing part. A spring member is mounted through the shaft hole of a plate fixed in the lens barrel, and its tip is integrally formed with an optical frame such as a prism frame attached to the plate or a lens frame attached to the lens barrel. A zoom lens barrel characterized by being equipped with a pressing support shaft mechanism.
JP7658890U 1990-07-20 1990-07-20 Zoom lens barrel Expired - Lifetime JP2533185Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7658890U JP2533185Y2 (en) 1990-07-20 1990-07-20 Zoom lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7658890U JP2533185Y2 (en) 1990-07-20 1990-07-20 Zoom lens barrel

Publications (2)

Publication Number Publication Date
JPH0435112U true JPH0435112U (en) 1992-03-24
JP2533185Y2 JP2533185Y2 (en) 1997-04-23

Family

ID=31618195

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7658890U Expired - Lifetime JP2533185Y2 (en) 1990-07-20 1990-07-20 Zoom lens barrel

Country Status (1)

Country Link
JP (1) JP2533185Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009169160A (en) * 2008-01-17 2009-07-30 Canon Inc Lens drive mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009169160A (en) * 2008-01-17 2009-07-30 Canon Inc Lens drive mechanism
US8451552B2 (en) 2008-01-17 2013-05-28 Canon Kabushiki Kaisha Lens driving device

Also Published As

Publication number Publication date
JP2533185Y2 (en) 1997-04-23

Similar Documents

Publication Publication Date Title
JPH0435112U (en)
JPS6277418U (en)
JPH0243072U (en)
JPS5910852Y2 (en) tracking mechanism
JPH01133310U (en)
JPS6269828U (en)
JPS6365013U (en)
JPH0399311U (en)
JPS63199235U (en)
JPS6451906U (en)
JPS6430515U (en)
JPS60174369U (en) Solid-state image sensor mounting device
JPH025116U (en)
JPH0343601U (en)
JPH01160401U (en)
JPH0467855U (en)
JPH0363133U (en)
JPH0420011U (en)
JPH0157711U (en)
JPS6319805U (en)
JPH0227105U (en)
JPH0216418U (en)
JPS63118710U (en)
JPS61149125U (en)
JPH0485168U (en)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term