JPH0227108U - - Google Patents
Info
- Publication number
- JPH0227108U JPH0227108U JP10515088U JP10515088U JPH0227108U JP H0227108 U JPH0227108 U JP H0227108U JP 10515088 U JP10515088 U JP 10515088U JP 10515088 U JP10515088 U JP 10515088U JP H0227108 U JPH0227108 U JP H0227108U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- optical axis
- frame
- respect
- moving frame
- 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 4
- 230000003287 optical effect Effects 0.000 claims 5
Landscapes
- Lens Barrels (AREA)
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図は縦断面図、第２図は要部の分解斜視図
、第３図はフロートカムの部分の分解斜視図であ
る。また、第４図は従来のレンズ鏡筒の縦断面図
である。
５…固定枠、１５…超音波モータ、３１…カム
枠、４２…直進案内溝、４３…直進ガイド部材、
４６…嵌合部、５０…第１移動枠、５３…回動規
制部、６１…第２移動枠、６３…回動規制用孔。
Figures 1 to 3 show an embodiment of the present invention, with Figure 1 being a longitudinal sectional view, Figure 2 being an exploded perspective view of the main parts, and Figure 3 being an exploded perspective view of the float cam. . Moreover, FIG. 4 is a longitudinal sectional view of a conventional lens barrel. 5... Fixed frame, 15... Ultrasonic motor, 31... Cam frame, 42... Straight guide groove, 43... Straight guide member,
46... Fitting part, 50... First moving frame, 53... Rotation regulating part, 61... Second moving frame, 63... Rotation regulating hole.
Claims (1)
傾斜した第１のカム溝および光軸と平行な直進案
内溝とを有する固定枠と、 この固定枠に回動自在に嵌合し、光軸に対して
傾斜した第２のカム溝を有するカム枠と、 上記の固定枠に回動自在かつ光軸方向に進退自
在に嵌合し、上記第１および第２のカム溝にそれ
ぞれ嵌合するカムフオロワーと、光軸に対して傾
斜した第３のカム溝とを有する第１移動枠と、 上記第３のカム溝に嵌合するカムフオロワーを
有する第２移動枠と、 上記第１移動枠に回動自在かつ光軸方向に一体
的に保持され、上記固定枠の直進案内溝に嵌合す
る嵌合部と、上記第２移動枠の上記固定枠に対す
る回動を規制する回動規制部とを有する直進ガイ
ド部材と、 を具備したことを特徴とするレンズ鏡筒。[Claims for Utility Model Registration] A fixed frame fixed to a lens mount and having a first cam groove inclined with respect to the optical axis and a linear guide groove parallel to the optical axis; a cam frame that is fitted into the fixed frame and has a second cam groove that is inclined with respect to the optical axis; a first moving frame having cam followers that fit in the cam grooves, and a third cam groove inclined with respect to the optical axis; a second moving frame having a cam follower that fits in the third cam groove; A fitting part that is rotatably held integrally with the first moving frame in the optical axis direction and that fits into the linear guide groove of the fixed frame, and restricts rotation of the second moving frame with respect to the fixed frame. A lens barrel comprising: a linear guide member having a rotation regulating portion; and a rotation regulating portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10515088U JPH0227108U (en) | 1988-08-09 | 1988-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10515088U JPH0227108U (en) | 1988-08-09 | 1988-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0227108U true JPH0227108U (en) | 1990-02-22 |
Family
ID=31337506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10515088U Pending JPH0227108U (en) | 1988-08-09 | 1988-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0227108U (en) |
-
1988
- 1988-08-09 JP JP10515088U patent/JPH0227108U/ja active Pending
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