JPS62109129U - - Google Patents
Info
- Publication number
- JPS62109129U JPS62109129U JP20043385U JP20043385U JPS62109129U JP S62109129 U JPS62109129 U JP S62109129U JP 20043385 U JP20043385 U JP 20043385U JP 20043385 U JP20043385 U JP 20043385U JP S62109129 U JPS62109129 U JP S62109129U
- Authority
- JP
- Japan
- Prior art keywords
- helicoid
- cylinder
- aperture unit
- rotating ring
- ring
- 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
Links
- 230000003287 optical effect Effects 0.000 claims 1
Description
第１図は、レンズ鏡筒の断面図。
（主要な部分を表わす符号の説明）、１は固定
筒、８は回転リング、２０は超音波モーター、２
０ａは振動体、２０ｂは圧電素子、２０ｇは回転
体、２２はヘリコイド筒、２６は絞りユニツト、
２８は電磁モーター。
FIG. 1 is a sectional view of the lens barrel. (Explanation of symbols representing main parts), 1 is a fixed cylinder, 8 is a rotating ring, 20 is an ultrasonic motor, 2
0a is a vibrating body, 20b is a piezoelectric element, 20g is a rotating body, 22 is a helicoid tube, 26 is an aperture unit,
28 is an electromagnetic motor.
Claims (1)
定位置回転する回転リングを配し、 前記回転リングの内周に設けたヘリコイドと螺
合するヘリコイドを有してヘリコイド筒を前記回
転リングの内側に設け、前記固定筒と前記回転リ
ングとの間に超音波モータを配置し、更に、前記
ヘリコイド筒の内周に絞りユニツト及び前記絞り
ユニツトを駆動する電磁モータを配置したことを
特徴とするレンズ鏡筒。[Claims for Utility Model Registration] A rotary ring that rotates at a fixed position around the optical axis via bearing means is disposed inside the fixed cylinder, and has a helicoid that is threadedly engaged with a helicoid provided on the inner circumference of the rotary ring. a helicoid cylinder is provided inside the rotating ring, an ultrasonic motor is disposed between the fixed cylinder and the rotating ring, and an aperture unit is provided on the inner periphery of the helicoid cylinder, and an electromagnetic motor for driving the aperture unit. A lens barrel characterized by arranging.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20043385U JPH0331929Y2 (en) | 1985-12-26 | 1985-12-26 | |
| US06/945,479 US4793689A (en) | 1985-12-26 | 1986-12-23 | Lens barrel with vibration wave motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20043385U JPH0331929Y2 (en) | 1985-12-26 | 1985-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62109129U true JPS62109129U (en) | 1987-07-11 |
| JPH0331929Y2 JPH0331929Y2 (en) | 1991-07-08 |
Family
ID=31162939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20043385U Expired JPH0331929Y2 (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331929Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131207A (en) * | 1988-11-11 | 1990-05-21 | Olympus Optical Co Ltd | Lens driver |
-
1985
- 1985-12-26 JP JP20043385U patent/JPH0331929Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131207A (en) * | 1988-11-11 | 1990-05-21 | Olympus Optical Co Ltd | Lens driver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331929Y2 (en) | 1991-07-08 |
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