JPS6070823U - telescope - Google Patents
telescopeInfo
- Publication number
- JPS6070823U JPS6070823U JP16440283U JP16440283U JPS6070823U JP S6070823 U JPS6070823 U JP S6070823U JP 16440283 U JP16440283 U JP 16440283U JP 16440283 U JP16440283 U JP 16440283U JP S6070823 U JPS6070823 U JP S6070823U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- short side
- waveform
- long side
- fixed
- 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
- Telescopes (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図は部分切欠側面図、第２図は本鏡胴長手方向部分
断面説明図、第３図はレンズ面断面図、第４図はレンズ
面断面図。
１・・・鏡胴、２・・・対物レンズ、３・・・接眼レン
ズ、４・・・短辺、５・・・長辺、６・・・空気流通口
、７・・・レンズ嵌合凹部、８・・・凹部内周、２′・
・・対物レンズ周囲の突起、７′・・・凹部の突起、Ａ
、 Ａ’・・・伸長安定点、Ｂ、 Ｂ″・・・縮小安定
点、Ｃ・・・臨界点、Ａ″−・・・縮小時のＡ″→Ｂ″
移動点、Ｄ・・・波形の頂点、θ・・・ＡＣ及びＣＢ間
の短辺４の為す移動角。1 is a partially cutaway side view, FIG. 2 is an explanatory partial sectional view in the longitudinal direction of the lens barrel, FIG. 3 is a sectional view of the lens surface, and FIG. 4 is a sectional view of the lens surface. 1... Lens barrel, 2... Objective lens, 3... Eyepiece, 4... Short side, 5... Long side, 6... Air flow opening, 7... Lens fitting Recessed portion, 8...Inner circumference of recessed portion, 2'.
...Protrusion around the objective lens, 7'...Protrusion in the recess, A
, A'... Stable point of extension, B, B''... Stable point of contraction, C... Critical point, A''-... A''→B'' during reduction.
Moving point, D...Apex of waveform, θ...Movement angle formed by short side 4 between AC and CB.
Claims (1)
向きを揃えて連続させて成型した、伸長状態、短辺が長
辺の内側に入り込んだ収縮状態、屈曲状態の３態を固定
的に維持する、伸縮屈曲および固定自在の機能を有する
プラスチック円筒蛇腹式鏡胴の両端部に対物レンズおよ
び接眼レンズ゛を介設し、鏡胴、レンズ、鏡胴とレンズ
の介設部の少なくとも１部に空気孔を開設し、該鏡胴伸
縮時に於ける鏡胴内外の空気流通を可能にした、伸縮屈
曲および固定自在蛇腹式鏡胴を有する望遠鏡。Each waveform consists of a short side and a long side, and each congruent waveform is molded in a continuous manner with the same direction, and the three states are fixed: an extended state, a contracted state where the short side goes inside the long side, and a bent state. An objective lens and an eyepiece are interposed at both ends of a plastic cylindrical bellows-type lens barrel that has the function of being able to extend, bend, and fix. A telescope having an extendable, bendable and fixed bellows-type lens barrel with an air hole in one part to enable air circulation inside and outside the lens barrel when the lens barrel expands and contracts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16440283U JPS6070823U (en) | 1983-10-24 | 1983-10-24 | telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16440283U JPS6070823U (en) | 1983-10-24 | 1983-10-24 | telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6070823U true JPS6070823U (en) | 1985-05-18 |
Family
ID=30360446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16440283U Pending JPS6070823U (en) | 1983-10-24 | 1983-10-24 | telescope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6070823U (en) |
-
1983
- 1983-10-24 JP JP16440283U patent/JPS6070823U/en active Pending
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