JPH0285412U - - Google Patents
Info
- Publication number
- JPH0285412U JPH0285412U JP16527588U JP16527588U JPH0285412U JP H0285412 U JPH0285412 U JP H0285412U JP 16527588 U JP16527588 U JP 16527588U JP 16527588 U JP16527588 U JP 16527588U JP H0285412 U JPH0285412 U JP H0285412U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- holding structure
- fitted
- held
- fitting
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案によるレンズ保持構造の第１実
施例の断面図、第２図乃至第４図は夫々第２乃至
第４実施例の断面図、第５図は従来例の断面図で
ある。
１……鏡枠、２……係止部、４……接合レンズ
、６，１６……レンズ、７……押え環、８，９，
１０，１２，１３，１５……嵌合部、１１，１４
……スペーサ。
FIG. 1 is a sectional view of a first embodiment of a lens holding structure according to the present invention, FIGS. 2 to 4 are sectional views of second to fourth embodiments, respectively, and FIG. 5 is a sectional view of a conventional example. . 1... Lens frame, 2... Locking part, 4... Bonded lens, 6, 16... Lens, 7... Holding ring, 8, 9,
10, 12, 13, 15... Fitting portion, 11, 14
……Spacer.
Claims (1)
持するようにして成るレンズ保持構造において、
前記鏡枠の内周部の奥から係止部とそれに続いて
段々と径が大きくなる複数の光軸方向に短い嵌合
部を形成し、前記複数の嵌合部にレンズ群及びス
ペーサを順次嵌合せしめ、前記鏡枠に螺合する押
え環により最後尾のレンズ群を押え保持するよう
にしたことを特徴とするレンズ保持構造。 (2) スペーサの内周部にも嵌合部を形成し、該
嵌合部に次のレンズ群を嵌合せしめるようにした
ことを特徴とする請求項(1)に記載のレンズ保持
構造。[Claims for Utility Model Registration] (1) In a lens holding structure that holds a plurality of lens groups within a synthetic resin lens frame,
A locking portion is formed from deep inside the inner circumference of the lens frame, followed by a plurality of short fitting portions in the optical axis direction whose diameters gradually increase, and lens groups and spacers are sequentially attached to the plurality of fitting portions. A lens holding structure characterized in that the rearmost lens group is held and held by a holding ring that is fitted and screwed onto the lens frame. (2) The lens holding structure according to claim (1), wherein a fitting portion is also formed on the inner peripheral portion of the spacer, and the next lens group is fitted into the fitting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16527588U JPH0285412U (en) | 1988-12-21 | 1988-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16527588U JPH0285412U (en) | 1988-12-21 | 1988-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285412U true JPH0285412U (en) | 1990-07-04 |
Family
ID=31451612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16527588U Pending JPH0285412U (en) | 1988-12-21 | 1988-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005202020A (en) * | 2004-01-14 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Lens unit |
-
1988
- 1988-12-21 JP JP16527588U patent/JPH0285412U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005202020A (en) * | 2004-01-14 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Lens unit |