JPS6449805U - - Google Patents
Info
- Publication number
- JPS6449805U JPS6449805U JP14200787U JP14200787U JPS6449805U JP S6449805 U JPS6449805 U JP S6449805U JP 14200787 U JP14200787 U JP 14200787U JP 14200787 U JP14200787 U JP 14200787U JP S6449805 U JPS6449805 U JP S6449805U
- Authority
- JP
- Japan
- Prior art keywords
- holding frame
- driving force
- view
- regulating
- lens group
- 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 8
- 230000005540 biological transmission Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は、本考案の第１実施例を示すズームレ
ンズ鏡筒の要部の断面図、第２図は、上記第１図
中のギア列をレンズマウント側から見た正面図、
第３図は、上記第２図中のストツパギアの部分の
構成を示した斜視図、第４図は、上記ストツパギ
アとストツパの関係を示した平面図、第５図は、
ストツパの他の例を示した平面図、第６図は、本
考案の第２実施例を示すズームレンズ鏡筒の一部
分の斜視図、第７図は、上記第６図中の要部をレ
ンズマウント側から見た正面図、第８図は、本考
案の第３実施例を示すズームレンズ鏡筒の要部の
断面図、第９図は、上記第８図中の距離目盛リン
グの斜視図、第１０図は、本考案の第４実施例を
示すズームレンズ鏡筒の要部の断面図、第１１図
は、上記第１０図中のモータおよびギア列を示し
た斜視図、第１２図は、従来のズームレンズ鏡筒
の一例を示す断面図、第１３図は、上記第１２図
中の要部の断面図、第１４図は、上記第１２図中
の固定枠の凹部側壁に対するストツパ用突起の位
置関係を示す展開平面図、第１５図は、上記第１
２図中の各レンズ群のズーム移動を示す線図であ
る。
２ｍ１，２ｍ２……側壁（規制手段）、６……
１群枠（合焦レンズ群保持枠）、２０，２２……
ギア（駆動力伝達手段）、２３……カプラギア（
駆動力伝達手段）、２５，３２，４２……偏心ピ
ン（規制手段）、２６，２６Ａ，２６Ｂ，４３…
…ストツパ（規制手段）、３１ａ，３１ｂ……爪
部（規制手段）、４４……モータ（駆動源）、５
０ｂ……突部（規制手段）。
FIG. 1 is a sectional view of the main parts of a zoom lens barrel showing a first embodiment of the present invention, and FIG. 2 is a front view of the gear train shown in FIG. 1, viewed from the lens mount side.
FIG. 3 is a perspective view showing the structure of the stopper gear in FIG. 2, FIG. 4 is a plan view showing the relationship between the stopper gear and the stopper, and FIG.
FIG. 6 is a plan view showing another example of the stopper, FIG. 6 is a perspective view of a portion of a zoom lens barrel showing a second embodiment of the present invention, and FIG. 7 shows the main parts shown in FIG. 8 is a sectional view of the main parts of the zoom lens barrel showing the third embodiment of the present invention, and FIG. 9 is a perspective view of the distance scale ring in FIG. 8 above. , FIG. 10 is a sectional view of essential parts of a zoom lens barrel showing a fourth embodiment of the present invention, FIG. 11 is a perspective view showing the motor and gear train in FIG. 10, and FIG. 12 13 is a sectional view showing an example of a conventional zoom lens barrel, FIG. 13 is a sectional view of the main part in FIG. 12, and FIG. FIG. 15 is a developed plan view showing the positional relationship of the projections.
2 is a diagram showing the zoom movement of each lens group in FIG. 2. FIG. 2m1, 2m2...Side wall (regulating means), 6...
1st group frame (focusing lens group holding frame), 20, 22...
Gear (driving force transmission means), 23... Coupler gear (
driving force transmission means), 25, 32, 42... eccentric pin (regulating means), 26, 26A, 26B, 43...
...stopper (regulating means), 31a, 31b...claw portion (regulating means), 44...motor (drive source), 5
0b...Protrusion (regulating means).
Claims (1)
とにより前後移動して合焦を行なう合焦レンズ群
保持枠と、 不動部材に回転自在に保持され、駆動源の駆動
力により回転し、この回転を上記合焦レンズ群保
持枠に伝達して同保持枠を回動させる駆動力伝達
手段と、 この駆動力伝達手段の回転を規制することによ
り上記合焦レンズ群保持枠の回動範囲を規制する
規制手段と、 を具備してなるズームレンズ鏡筒。[Scope of Claim for Utility Model Registration] A focusing lens group holding frame that moves back and forth when zooming and moves back and forth when rotated to focus, and a holding frame that is rotatably held by a stationary member and that is driven by the driving force of a drive source. a driving force transmitting means that rotates by and transmits this rotation to the focusing lens group holding frame to rotate the holding frame; and a driving force transmitting means that rotates the focusing lens group holding frame by regulating the rotation of the driving force transmitting means. A zoom lens barrel comprising: a regulating means for regulating the rotation range of the zoom lens barrel;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14200787U JPS6449805U (en) | 1987-09-17 | 1987-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14200787U JPS6449805U (en) | 1987-09-17 | 1987-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6449805U true JPS6449805U (en) | 1989-03-28 |
Family
ID=31407576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14200787U Pending JPS6449805U (en) | 1987-09-17 | 1987-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6449805U (en) |
-
1987
- 1987-09-17 JP JP14200787U patent/JPS6449805U/ja active Pending
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