JPS5862309U - camera lens barrel - Google Patents
camera lens barrelInfo
- Publication number
- JPS5862309U JPS5862309U JP15623281U JP15623281U JPS5862309U JP S5862309 U JPS5862309 U JP S5862309U JP 15623281 U JP15623281 U JP 15623281U JP 15623281 U JP15623281 U JP 15623281U JP S5862309 U JPS5862309 U JP S5862309U
- Authority
- JP
- Japan
- Prior art keywords
- helicoid
- lens barrel
- female
- male
- camera 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)
- Structure And Mechanism Of Cameras (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のカメラ用レンズ鏡胴の半分を示す断面図
、第２図は、第１図中の鎖線Ａ−Ａに沿う断面図、第３
図は本考案に係る第１の実施例のカメラ用レンズ鏡胴の
断面図、第４図は第３図中の鎖線Ｂ−Ｂに沿う断面図、
第５図および第６図は本考案の第２の実施例を示すそれ
ぞれ断面図である。
１・・・・・・レンズマウント、３・・・・・・固定リ
ング、３ａ・・・・・・雌へリコイド、４・・・・・・
距離リング、５・・・・・・雌よりコイド部材、５ａ・
・・・・・雄ヘリコイド、５ｂ・・・・・・雌へリコイ
ド、６・・・・・・雄ヘリコイド部材、６ａ・・・・・
・雄へリコイド、７．１２・・・・・・レンズ、８・・
、・・・・保持枠、９・・・・・・絞り部材、１０・・
・・・・キー溝、１１・・・・・・キ一部。FIG. 1 is a sectional view showing half of a conventional camera lens barrel, FIG. 2 is a sectional view taken along the chain line A-A in FIG.
The figure is a cross-sectional view of a camera lens barrel according to the first embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along the chain line B-B in FIG.
FIGS. 5 and 6 are sectional views showing a second embodiment of the present invention, respectively. 1...Lens mount, 3...Fixing ring, 3a...Female helicoid, 4...
Distance ring, 5... Coid member from female, 5a.
...Male helicoid, 5b...Female helicoid, 6...Male helicoid member, 6a...
・Male helicoid, 7.12...Lens, 8...
,...Holding frame, 9...Aperture member, 10...
...Keyway, 11...Key part.
Claims (1)
定リングと、雌へリコイドと前記固定リングに形成され
た雌へリコイドに螺合する雄へリコイドが形成され距離
リングを備えた雌へリコイド部材と、この雌へリコイド
部材に形成された前−記雌ヘリコイドに螺合する雄へリ
コイドが形成されレンズを有する雄へリコイド部材と、
を備えたレンズ鏡胴であって、前記雄へリコイド部材ま
たは前記固定リングのいずれか一方に前記雄へリコイド
部材の回転規制のためのキ一部を一体的に成形して設け
、このキ一部に係合するキー溝を残りの一方に形成し、
前記距離リングの回転によって雄へリコイドを直進移動
させるように構成したことを特徴とするカメラ用レンズ
鏡胴。a fixing ring formed with a female helicoid and integral with a lens mount; a female helicoid member having a distance ring formed with a male helicoid that screws into the female helicoid formed in the female helicoid and the fixing ring; a male helicoid member formed on the female helicoid member and having a lens formed thereon and having a male helicoid that is threadedly engaged with the female helicoid;
A lens barrel comprising: a part of a key for regulating rotation of the male helicoid member is integrally molded on either the male helicoid member or the fixing ring; forming a keyway on the other side that engages with the part;
A camera lens barrel, characterized in that the male helicoid is moved in a straight line by rotation of the distance ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15623281U JPS5862309U (en) | 1981-10-22 | 1981-10-22 | camera lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15623281U JPS5862309U (en) | 1981-10-22 | 1981-10-22 | camera lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5862309U true JPS5862309U (en) | 1983-04-26 |
Family
ID=29948778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15623281U Pending JPS5862309U (en) | 1981-10-22 | 1981-10-22 | camera lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5862309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168415U (en) * | 1987-04-21 | 1988-11-02 |
-
1981
- 1981-10-22 JP JP15623281U patent/JPS5862309U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168415U (en) * | 1987-04-21 | 1988-11-02 |
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