JPS6440814U - - Google Patents
Info
- Publication number
- JPS6440814U JPS6440814U JP13459287U JP13459287U JPS6440814U JP S6440814 U JPS6440814 U JP S6440814U JP 13459287 U JP13459287 U JP 13459287U JP 13459287 U JP13459287 U JP 13459287U JP S6440814 U JPS6440814 U JP S6440814U
- Authority
- JP
- Japan
- Prior art keywords
- annular groove
- circumferential surface
- fixed barrel
- cylinder
- optical axis
- 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
- 230000003287 optical effect Effects 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は、本考案に係るレンズ鏡筒の縦断面図
、第２図は第１図におけるＡ−Ａ断面図、第３図
は第１図におけるＢ−Ｂ断面図である。
主要部分の符号の説明、１０：固定鏡筒、２０
：移動枠、４４：カム筒、５０：固定筒、５６：
回転筒、６０：環状溝、６６：凹所、７０：ボー
ル。
1 is a longitudinal sectional view of a lens barrel according to the present invention, FIG. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a sectional view taken along line BB in FIG. 1. Explanation of symbols of main parts, 10: Fixed lens barrel, 20
: Moving frame, 44: Cam cylinder, 50: Fixed cylinder, 56:
Rotating tube, 60: annular groove, 66: recess, 70: ball.
Claims (1)
成された固定筒と；該固定筒の内側に回転可能に
嵌合され、自動合焦動作時には動力モータからの
動力をうけて光軸のまわりに回転して合焦用レン
ズを光軸方向に移動させ、外周面には前記環状溝
に対向して複数の凹所が円周方向に隔設された回
転筒と；前記固定筒の環状溝と前記回転筒の各凹
所との間に介装された転動体と；を備え、前記固
定筒と前記回転筒とのガタがないように前記環状
溝の軸方向両側の一部内周面部分と前記凹所群の
軸方向両側の一部外周面部分とは密接嵌合してい
ることを特徴とするカメラ用レンズ鏡筒。 A fixed barrel is fixedly arranged and has an annular groove formed on its inner circumferential surface.The fixed barrel is rotatably fitted inside the fixed barrel, and during automatic focusing operation, the optical axis is adjusted by receiving power from a power motor. a rotary cylinder which rotates around the cylinder to move the focusing lens in the optical axis direction, and has a plurality of recesses spaced apart in the circumferential direction on the outer circumferential surface facing the annular groove; a rolling element interposed between the annular groove and each recess of the rotating cylinder; 1. A camera lens barrel, wherein a surface portion and a portion of an outer circumferential surface on both sides of the recess group in the axial direction are closely fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13459287U JPS6440814U (en) | 1987-09-04 | 1987-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13459287U JPS6440814U (en) | 1987-09-04 | 1987-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6440814U true JPS6440814U (en) | 1989-03-10 |
Family
ID=31393491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13459287U Pending JPS6440814U (en) | 1987-09-04 | 1987-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440814U (en) |
-
1987
- 1987-09-04 JP JP13459287U patent/JPS6440814U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6440814U (en) | ||
| JPS62143812U (en) | ||
| JPS63109913U (en) | ||
| JPH0396610U (en) | ||
| JPS61121412U (en) | ||
| JPS5963315U (en) | Focusing mechanism of lens barrel | |
| JPH01136912U (en) | ||
| JPS6388811U (en) | ||
| JPS62188718U (en) | ||
| JPS62140512U (en) | ||
| JPS62140509U (en) | ||
| JPS63120216U (en) | ||
| JP2529517Y2 (en) | Roller type cam follower for valve train | |
| JPH01143745U (en) | ||
| JPH031275U (en) | ||
| JPS6412929U (en) | ||
| JPS62109129U (en) | ||
| JPS6296625U (en) | ||
| JPH0194912U (en) | ||
| JPH03126556U (en) | ||
| JPH0410149U (en) | ||
| JPS59113514U (en) | rotating unit | |
| JPS62137099U (en) | ||
| JPS63168414U (en) | ||
| JPS6216918U (en) |