JPS6445815U - - Google Patents
Info
- Publication number
- JPS6445815U JPS6445815U JP13965187U JP13965187U JPS6445815U JP S6445815 U JPS6445815 U JP S6445815U JP 13965187 U JP13965187 U JP 13965187U JP 13965187 U JP13965187 U JP 13965187U JP S6445815 U JPS6445815 U JP S6445815U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- rotating
- barrel
- rotating barrel
- end portions
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Focusing (AREA)
- Lens Barrels (AREA)
Description
第１図および第２図は本考案の一実施例を示し
、第１図は撮影光学系および動力伝達系を示す斜
視図、第２図は駆動歯車６９と歯車１ｃを示す図
である。第３図は第２図に相当する従来例を示す
図である。
１：駆動鏡筒、１ｂ：ヘリコイド、１ｃ：歯車
、１ｄ：規制部、１１：鏡筒外筒、１１ｂ：ヘリ
コイド、６９：駆動歯車。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a perspective view showing a photographing optical system and a power transmission system, and FIG. 2 being a diagram showing a drive gear 69 and a gear 1c. FIG. 3 is a diagram showing a conventional example corresponding to FIG. 2. 1: drive lens barrel, 1b: helicoid, 1c: gear, 1d: regulating section, 11: lens barrel outer barrel, 11b: helicoid, 69: drive gear.
Claims (1)
れた回転筒と、 前記歯車と噛合して回転筒を回転する駆動歯車
と、 前記回転筒の回転運動を撮影レンズの光軸方向
の運動に変換する変換機構とを備えたカメラのレ
ンズ駆動装置において、 前記回転筒歯車の両終端部に規制部を設け、該
規制部により該両終端部を越えた領域まで前記駆
動歯車が回転しないようにしたことを特徴とする
カメラのレンズ駆動装置。[Claims for Utility Model Registration] A rotating barrel having a gear formed on its outer circumferential surface within a predetermined rotational angle range, a driving gear that meshes with the gear to rotate the rotating barrel, and a lens for photographing the rotational movement of the rotating barrel. A camera lens driving device including a conversion mechanism for converting motion into a motion in the optical axis direction, wherein regulating portions are provided at both end portions of the rotary cylindrical gear, and the regulating portion extends the movement of the rotary barrel gear to an area beyond the both end portions. A camera lens drive device characterized in that a drive gear is prevented from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13965187U JPS6445815U (en) | 1987-09-11 | 1987-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13965187U JPS6445815U (en) | 1987-09-11 | 1987-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445815U true JPS6445815U (en) | 1989-03-20 |
Family
ID=31403104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13965187U Pending JPS6445815U (en) | 1987-09-11 | 1987-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445815U (en) |
-
1987
- 1987-09-11 JP JP13965187U patent/JPS6445815U/ja active Pending
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