JPS5891709U - Straight guide mechanism of helicoid device - Google Patents
Straight guide mechanism of helicoid deviceInfo
- Publication number
- JPS5891709U JPS5891709U JP18578481U JP18578481U JPS5891709U JP S5891709 U JPS5891709 U JP S5891709U JP 18578481 U JP18578481 U JP 18578481U JP 18578481 U JP18578481 U JP 18578481U JP S5891709 U JPS5891709 U JP S5891709U
- Authority
- JP
- Japan
- Prior art keywords
- helicoid
- linear guide
- linear
- guide mechanism
- guide member
- 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)
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図は本考案を組込むに適したヘリコイド装置の第２
図の線Ｉ−Ｉによる断面図。第２図は第１図の着方より
見た端面図。第３図ないし第６図は従来の直進案内部材
の形状および直進案内溝に対する滑動接触状態を示す説
明図。第７図ないし第１０図は本考案による直進案内部
材の形状および直進案内溝に対する滑動接触状態を示す
説明図。
１・・・・・・外へリコイド、１ｂ・・・・・・直進案
内溝、２・・・・・・中ヘリコイド、３・・・〜・・内
ヘリコイド、５．５′、５″・・・・・・直進案内部材
、５ａ、 ５’ ａ、 ５″ａ・・・・・・滑動接触面
、６・・・・・・割り溝。Figure 1 shows a second helicoid device suitable for incorporating the present invention.
FIG. FIG. 2 is an end view seen from the wearing method shown in FIG. 1. FIGS. 3 to 6 are explanatory diagrams showing the shape of a conventional linear guide member and the state of sliding contact with the linear guide groove. 7 to 10 are explanatory diagrams showing the shape of the linear guide member according to the present invention and the state of sliding contact with the linear guide groove. 1... Outer helicoid, 1b... Straight guide groove, 2... Middle helicoid, 3... Inner helicoid, 5.5', 5''. ...straight guide member, 5a, 5'a, 5''a...sliding contact surface, 6...dividing groove.
Claims (4)
へリコイドに対して螺合されて手動操作または駆動力に
より操作されて回転される中ヘリコイドと、中ヘリコイ
ドに螺合され、中ヘリコイドの手動操作により外へリコ
イドに対して光軸と平行に直進運動され得るレンズブロ
ックを内゛ 装した内ヘリコイドと、から成るヘリコイ
ド装置における、外へリコイドと内へリコイドとの間に
構成される直進案内溝とこの溝に滑動嵌合する直進案内
部材とより成る直進案内機構にお２いて、 前記直進案内部材の直進案内溝に対する滑動接触面を少
なくとも直進方向において円弧状断面形状に形成したこ
とを特徴とするヘリコイド装置の直進案内機構。(1) An outer helicoid that is attached to the camera body, a middle helicoid that is screwed to the outer helicoid and rotated by manual operation or driving force, and a middle helicoid that is screwed to the middle helicoid and rotated by manual operation or driving force. In a helicoid device consisting of an inner helicoid equipped with a lens block that can be moved linearly parallel to the optical axis relative to the outer helicoid by manual operation, a rectilinear movement constructed between the outer helicoid and the inner helicoid. 2. In a linear guide mechanism comprising a guide groove and a linear guide member slidingly fitted into the groove, a sliding contact surface of the linear guide member with respect to the linear guide groove is formed to have an arcuate cross-sectional shape at least in the linear direction. The feature is the linear guide mechanism of the helicoid device.
内溝の巾に実質的に密接に嵌合する直径を有し、直進方
向に弧状断面となされて直進方向軸線の廻りに環状に形
成される環状曲面となしたことを特徴とする、実用新案
登録請求の範囲第（１）項記載のへリコイド装置の直進
案内機構。(2) The sliding contact surface of the linear guide member has a diameter that substantially closely fits the width of the linear guide groove, has an arcuate cross section in the linear direction, and is formed in an annular shape around the linear axis. A linear guide mechanism for a helicoid device according to claim (1) of the registered utility model, characterized in that it has an annular curved surface.
内溝の巾に実質的に密接に嵌合する直径を有する球面の
形状となしたことを特徴とする実用新案登録請求の範囲
第（１）項記載のへリコイド装置の直進案内機構。(3) The sliding contact surface of the linear guide member is formed into a spherical shape having a diameter that fits substantially closely into the width of the linear guide groove. 1) The linear guide mechanism of the helicoid device described in item 1).
て直進方向に実質的に平行で、且つ前記直進案内溝の巾
方向と実質的に直角な割り溝を設けたことを特徴とする
実用新案登録請求の範囲第１項ないし第（３）項の何れ
かに記載のへリコイド装置の直進案内機構。(4) A utility model characterized in that a split groove is provided in the range of the sliding contact surface of the linear guide member, which is substantially parallel to the linear direction and substantially perpendicular to the width direction of the linear guide groove. A linear guide mechanism for a helicoid device according to any one of registered claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18578481U JPS5891709U (en) | 1981-12-15 | 1981-12-15 | Straight guide mechanism of helicoid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18578481U JPS5891709U (en) | 1981-12-15 | 1981-12-15 | Straight guide mechanism of helicoid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5891709U true JPS5891709U (en) | 1983-06-21 |
Family
ID=29987149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18578481U Pending JPS5891709U (en) | 1981-12-15 | 1981-12-15 | Straight guide mechanism of helicoid device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5891709U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6258415U (en) * | 1985-09-30 | 1987-04-11 | ||
| JPH0210515U (en) * | 1988-07-06 | 1990-01-23 | ||
| JP2014089222A (en) * | 2012-10-29 | 2014-05-15 | Cosina Co Ltd | Manually operated lens |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB961483A (en) * | 1961-08-04 | 1964-06-24 | Angenieux Pierre | Improvements in or relating to guide means permitting the longitudinal displacement of a barrel carrying lens |
-
1981
- 1981-12-15 JP JP18578481U patent/JPS5891709U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB961483A (en) * | 1961-08-04 | 1964-06-24 | Angenieux Pierre | Improvements in or relating to guide means permitting the longitudinal displacement of a barrel carrying lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6258415U (en) * | 1985-09-30 | 1987-04-11 | ||
| JPH0210515U (en) * | 1988-07-06 | 1990-01-23 | ||
| JP2014089222A (en) * | 2012-10-29 | 2014-05-15 | Cosina Co Ltd | Manually operated lens |
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