JPH0164629U - - Google Patents
Info
- Publication number
- JPH0164629U JPH0164629U JP1987159707U JP15970787U JPH0164629U JP H0164629 U JPH0164629 U JP H0164629U JP 1987159707 U JP1987159707 U JP 1987159707U JP 15970787 U JP15970787 U JP 15970787U JP H0164629 U JPH0164629 U JP H0164629U
- Authority
- JP
- Japan
- Prior art keywords
- rotating member
- locking member
- lens drive
- contact surface
- contact
- 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
Landscapes
- Focusing (AREA)
- Lens Barrels (AREA)
Description
第1図は本考案の1実施例に係るレンズ駆動機
構及びレンズ駆動機構のストツパ機構の無限遠撮
影位置における平面図、第2図は第1図に示す機
構の最近接撮影位置における平面図。
2……ステツプモータ、3……ピニオン、6…
…ヘリコイドリング、6b……二次ギア、8……
ストツプギア、8a……ギア面、8b,8c……
当接面、9……位置調整板、9a……ピン。
1 is a plan view of a lens drive mechanism and a stopper mechanism of the lens drive mechanism according to an embodiment of the present invention at an infinite photographing position, and FIG. 2 is a plan view of the mechanism shown in FIG. 1 at the closest photographing position. 2...Step motor, 3...Pinion, 6...
...Helicoid ring, 6b... Secondary gear, 8...
Stop gear, 8a... Gear surface, 8b, 8c...
Contact surface, 9...Position adjustment plate, 9a...Pin.
Claims (1)
逆回転可能なステツプモータにより駆動する様に
なされたステツプモータを駆動源とするレンズ駆
動機構において、 前記レンズ駆動部材に連動して回転する回転部
材と、 該回転部材の作動経路上に臨む係止部材とを備
えるとともに、 前記回転部材に、該回転部材が正転方向の終点
まで回転した時に前記係止部材と当接する第1の
当接面と、該回転部材が逆転方向の終点まで回転
した時に前記係止部材と当接する第2の当接面と
を形成し、 前記係止部材の前記回転部材に対する位置を調
整可能とし、 前記第1の当接面が前記係止部材に当接した状
態から前記第2の当接面が前記係止部材に当接す
るまでの、該回転部材の回転角度を前記レンズ駆
動部材の最大ストローク長と対応させたことを特
徴とするステツプモータを駆動源とするレンズ駆
動機構のストツパ調整機構。[Claims for Utility Model Registration] In a lens drive mechanism using a step motor as a drive source, the lens drive member connected to the focus adjustment mechanism is driven by a step motor capable of forward and reverse rotation, wherein the lens drive member The rotating member is provided with a rotating member that rotates in conjunction with the rotating member, and a locking member that faces the operating path of the rotating member, and the rotating member is provided with a locking member that comes into contact with the locking member when the rotating member rotates to an end point in a normal rotation direction. forming a first contact surface that comes into contact with the locking member and a second contact surface that comes into contact with the locking member when the rotating member rotates to an end point in the reverse direction, and determining the position of the locking member with respect to the rotating member; adjustable, and the rotation angle of the rotating member from the state in which the first contact surface contacts the locking member to the state in which the second contact surface contacts the locking member is controlled by the lens drive. A stopper adjustment mechanism for a lens drive mechanism using a step motor as a drive source, characterized in that the stopper adjustment mechanism corresponds to the maximum stroke length of a member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15970787U JPH0546010Y2 (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15970787U JPH0546010Y2 (en) | 1987-10-19 | 1987-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0164629U true JPH0164629U (en) | 1989-04-25 |
JPH0546010Y2 JPH0546010Y2 (en) | 1993-12-01 |
Family
ID=31441139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15970787U Expired - Lifetime JPH0546010Y2 (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0546010Y2 (en) |
-
1987
- 1987-10-19 JP JP15970787U patent/JPH0546010Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0546010Y2 (en) | 1993-12-01 |