JPH02149907U - - Google Patents
Info
- Publication number
- JPH02149907U JPH02149907U JP6015189U JP6015189U JPH02149907U JP H02149907 U JPH02149907 U JP H02149907U JP 6015189 U JP6015189 U JP 6015189U JP 6015189 U JP6015189 U JP 6015189U JP H02149907 U JPH02149907 U JP H02149907U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary member
- lens barrel
- positioning
- moving
- lens
- 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
Landscapes
- Lens Barrels (AREA)
Description
第１図は、本考案の第１の実施例の概略断面図
、第２図は、第１の実施例の要部を示す平面図、
第３図は、本考案の第２の実施例の要部の断面図
、第４図は、本考案の第３の実施例の要部の断面
図、第５図は、本考案の第４の実施例の概略断面
図、第６図は、従来のレンズ鏡胴の概略断面図、
第７図は、従来のレンズ鏡胴のガイドピン部を示
した拡大断面図、第８図は、第７図の部分の平面
図である。
１……固定リング、２……前群レンズ移動枠、
３……前群レンズ枠、５……後群レズ移動枠、６
……後群レンズ枠、８……カム枠、９，１０……
ガイドピン、１４……補助リング、１５……支持
リング、１６……弾性部材。
FIG. 1 is a schematic sectional view of the first embodiment of the present invention, FIG. 2 is a plan view showing the main parts of the first embodiment,
3 is a sectional view of the main part of the second embodiment of the present invention, FIG. 4 is a sectional view of the main part of the third embodiment of the invention, and FIG. 5 is a sectional view of the main part of the third embodiment of the invention. 6 is a schematic sectional view of a conventional lens barrel,
FIG. 7 is an enlarged sectional view showing a guide pin portion of a conventional lens barrel, and FIG. 8 is a plan view of the portion shown in FIG. 7. 1... Fixed ring, 2... Front group lens moving frame,
3...Front group lens frame, 5...Rear group lens moving frame, 6
...Rear group lens frame, 8...Cam frame, 9,10...
Guide pin, 14...auxiliary ring, 15...support ring, 16...elastic member.
Claims (1)
とによつて光学系を移動させるレンズ鏡胴におい
て、移動操作により撮影レンズの光軸方向の移動
を行なう移動枠の外周に、第１の補助部材と、該
第１の補助部材を支持する１個あるいは複数の弾
性体より成る第２の補助部材と、第１の補助部材
の位置決めを行なう位置決め部材と、前記第１の
補助部材上に撮影レンズ系の移動のためのガイド
部材とを設けたことを特徴とするレンズ鏡胴。 ２ 第１の補助部材が弾性部を有することを特徴
とする実用新案登録請求の範囲１記載のレンズ鏡
胴。 ３ ガイドピンおよびカム溝が互いに摺動するこ
とによつて光学系を移動させるレンズ鏡胴におい
て、移動操作により撮影レンズの光軸方向の移動
を行なう移動枠の内側に補助部材を設け、該補助
部材上に撮影レンズ系移動のためのガイド部材を
設けたことを特徴とするレンズ鏡胴。[Scope of Claim for Utility Model Registration] 1. In a lens barrel that moves an optical system by mutually sliding guide pins and cam grooves, the outer periphery of a moving frame that moves the photographic lens in the optical axis direction by a moving operation. a first auxiliary member, a second auxiliary member made of one or more elastic bodies supporting the first auxiliary member, a positioning member for positioning the first auxiliary member, and a positioning member for positioning the first auxiliary member; A lens barrel characterized in that a guide member for moving a photographing lens system is provided on the auxiliary member. 2. The lens barrel according to claim 1, wherein the first auxiliary member has an elastic portion. 3. In a lens barrel in which the optical system is moved by mutual sliding of a guide pin and a cam groove, an auxiliary member is provided inside a moving frame that moves the photographing lens in the optical axis direction by a movement operation, and the auxiliary member A lens barrel characterized in that a guide member for moving a photographic lens system is provided on the member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015189U JPH02149907U (en) | 1989-05-24 | 1989-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015189U JPH02149907U (en) | 1989-05-24 | 1989-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149907U true JPH02149907U (en) | 1990-12-21 |
Family
ID=31587263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6015189U Pending JPH02149907U (en) | 1989-05-24 | 1989-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149907U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53125016A (en) * | 1977-04-08 | 1978-11-01 | Minolta Camera Co Ltd | Lens shifting device |
| JPS5623122A (en) * | 1980-06-11 | 1981-03-04 | Hitachi Ltd | Hydraulic hoist |
-
1989
- 1989-05-24 JP JP6015189U patent/JPH02149907U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53125016A (en) * | 1977-04-08 | 1978-11-01 | Minolta Camera Co Ltd | Lens shifting device |
| JPS5623122A (en) * | 1980-06-11 | 1981-03-04 | Hitachi Ltd | Hydraulic hoist |
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