JPS63168416U - - Google Patents
Info
- Publication number
- JPS63168416U JPS63168416U JP6078887U JP6078887U JPS63168416U JP S63168416 U JPS63168416 U JP S63168416U JP 6078887 U JP6078887 U JP 6078887U JP 6078887 U JP6078887 U JP 6078887U JP S63168416 U JPS63168416 U JP S63168416U
- Authority
- JP
- Japan
- Prior art keywords
- holding frame
- locking piece
- ring
- lens barrel
- distance
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案のレンズ鏡筒の一実施例を示す
分解斜視図、第２図はその要部の正面図、第３図
はその断面図、第４図は従来のレンズ鏡筒の一例
を示す断面図である。
１１……鏡筒本体、１１ｂ……ヘリコイドねじ
部、２６……保持枠、２６ｂ……ヘリコイドねじ
部、２７……ピント調節用のレンズ群であるフオ
ーカシングレンズ群、２９……距離環、２９ｂ…
…ねじ部、２９ｃ……噛合面、３２……前端環、
３２ｂ……ねじ部、３２ｃ……規制部としての凹
部、３３，３４……係止片。
Fig. 1 is an exploded perspective view showing one embodiment of the lens barrel of the present invention, Fig. 2 is a front view of its main parts, Fig. 3 is a sectional view thereof, and Fig. 4 is an example of a conventional lens barrel. FIG. DESCRIPTION OF SYMBOLS 11... Lens barrel body, 11b... Helicoid screw part, 26... Holding frame, 26b... Helicoid thread part, 27... Focusing lens group which is a lens group for focus adjustment, 29... Distance ring, 29b...
...Threaded portion, 29c...Matching surface, 32...Front end ring,
32b...threaded part, 32c...recessed part as a regulating part, 33, 34...locking piece.
Claims (1)
退自在に結合されピント調節用のレンズ群を保持
した保持枠と、 この保持枠の外周側に固着され前記鏡筒本体に
対して所定の距離範囲外での回動を阻止された距
離環と、 この距離環の前端部内周面にねじ部により螺合
されて前記保持枠に当接された前端環とを備え、 前記保持枠の前端面部に径方向へ変位可能な係
止片を形成し、 前記距離環の内周面に前記保持枠の係止片が噛
合習性をもつて噛合されこれら距離環および保持
枠相互の周方向の移動を阻止する噛合面を形成し
、 前記前端環の保持枠との当接面部にこの保持枠
の係止片に係合されこの係止片の径方向への変位
を阻止し前記係止片と噛合面との噛合を保持する
規制部を形成した ことを特徴とするレンズ鏡筒。[Scope of Claim for Utility Model Registration] A lens barrel body; A holding frame that is rotatably connected to the lens barrel body through a helicoid thread and holds a group of lenses for focus adjustment; and a holding frame fixed to the outer circumferential side of the holding frame. a distance ring which is prevented from rotating outside a predetermined distance range with respect to the lens barrel body; and a front end screwed into the inner peripheral surface of the front end of the distance ring by a threaded portion and abutted against the holding frame. a ring, a locking piece movable in the radial direction is formed on the front end surface of the holding frame, and the locking piece of the holding frame is engaged with the inner circumferential surface of the distance ring so that the distance between the locking pieces is A mating surface is formed to prevent the ring and the holding frame from moving in the circumferential direction, and the front end ring is engaged with a locking piece of the holding frame on the abutment surface of the front end ring with the holding frame, and is engaged with a locking piece of the holding frame in the radial direction of the locking piece. A lens barrel characterized in that a regulating portion is formed to prevent displacement of the locking piece and maintain engagement between the locking piece and the engagement surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6078887U JPH0449610Y2 (en) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6078887U JPH0449610Y2 (en) | 1987-04-22 | 1987-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63168416U true JPS63168416U (en) | 1988-11-02 |
| JPH0449610Y2 JPH0449610Y2 (en) | 1992-11-24 |
Family
ID=30893519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6078887U Expired JPH0449610Y2 (en) | 1987-04-22 | 1987-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449610Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017054149A (en) * | 2012-10-19 | 2017-03-16 | コグネックス・コーポレイション | Carrier frame and circuit board for electronic device |
-
1987
- 1987-04-22 JP JP6078887U patent/JPH0449610Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017054149A (en) * | 2012-10-19 | 2017-03-16 | コグネックス・コーポレイション | Carrier frame and circuit board for electronic device |
| US10754122B2 (en) | 2012-10-19 | 2020-08-25 | Cognex Corporation | Carrier frame and circuit board for an electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0449610Y2 (en) | 1992-11-24 |
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