JPS6031613U - Coarse and fine movement device for focusing of surveying instruments - Google Patents
Coarse and fine movement device for focusing of surveying instrumentsInfo
- Publication number
- JPS6031613U JPS6031613U JP12227283U JP12227283U JPS6031613U JP S6031613 U JPS6031613 U JP S6031613U JP 12227283 U JP12227283 U JP 12227283U JP 12227283 U JP12227283 U JP 12227283U JP S6031613 U JPS6031613 U JP S6031613U
- Authority
- JP
- Japan
- Prior art keywords
- focusing
- shaft
- coarse
- focusing knob
- pinion
- 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
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- 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図は従来の合焦機構の縦断面図、第２図は本考案の
合焦機構の縦断面図、第３図は本考案の合焦機構のスト
ップ状態を説明する断面図、第４図は合焦つまみ軸とボ
ールの関係を示す線図、第５図は合焦つまみ軸、ボール
と合焦つまみ軸の弾圧状態を示す線図である。
１１・・・合焦レンズ枠、１２・・・ラック、１３・・
・望遠鏡鏡筒、１５・・・粗動軸受筒、１６・・・粗動
軸筒、１７・・・ピニオン軸筒、１８・・・ピニオン、
１９・・・合焦つまみ軸、１９′・・・テーパー溝、２
０・・・ボール、２１・・・スプリング、２２・・・ボ
ール嵌合孔、２３・・・ボール、２４・・・ピン、２５
．２６・・・ピン、２７・・・ストップ板、２８． ２
９−・・ストップピン、３０・・・合焦つまみ。
叉工！
ＩＪ、ぜ・
一゛■騰、・FIG. 1 is a vertical cross-sectional view of a conventional focusing mechanism, FIG. 2 is a vertical cross-sectional view of the focusing mechanism of the present invention, FIG. 3 is a cross-sectional view illustrating the stop state of the focusing mechanism of the present invention, and FIG. The figure is a diagram showing the relationship between the focusing knob shaft and the ball, and FIG. 5 is a diagram showing the focusing state of the focusing knob shaft, the ball, and the focusing knob shaft. 11... Focusing lens frame, 12... Rack, 13...
・Telescope barrel, 15... Coarse motion bearing tube, 16... Coarse motion shaft tube, 17... Pinion shaft tube, 18... Pinion,
19... Focusing knob shaft, 19'... Taper groove, 2
0... Ball, 21... Spring, 22... Ball fitting hole, 23... Ball, 24... Pin, 25
．． 26... Pin, 27... Stop plate, 28. 2
9-... Stop pin, 30... Focusing knob. Forgery! IJ, it's soaring...
Claims (1)
オン軸筒と、上記ピニオン軸筒を案内軸として回動自在
に外接する粗動軸筒とを望遠鏡の鏡筒側に設け、前記ピ
ニオン軸筒内には合焦つまみの内側に設けた合焦つまみ
軸を嵌挿弾止し、ピニオン軸筒のボール嵌合孔に嵌合し
たボールを合焦つまみ軸のテーパ溝に接すると共に粗動
軸筒の内壁に接するように構成した微動機構と、微動後
に合焦つまみの回動を粗動軸筒に１：１の割合で伝達す
る連動機構と、合焦つまみの回動を一定範囲に制約する
ストッパー機構を具えた粗動機構とを有することを特徴
とする測量機の合焦用粗微動装置。A pinion shaft tube of a pinion that meshes with a rack provided in a focusing lens frame, and a coarse movement shaft tube that rotatably circumscribes the pinion shaft tube as a guide shaft are provided on the lens barrel side of the telescope. A focusing knob shaft provided on the inside of the focusing knob is inserted and secured inside, and the ball fitted into the ball fitting hole of the pinion shaft is in contact with the tapered groove of the focusing knob shaft, and the coarse movement shaft is inserted into the shaft. A fine adjustment mechanism configured to touch the inner wall of the lens, an interlocking mechanism that transmits the rotation of the focusing knob to the coarse adjustment barrel at a ratio of 1:1 after fine adjustment, and a mechanism that restricts the rotation of the focusing knob to a certain range. 1. A coarse and fine focusing device for a surveying instrument, comprising a coarse movement mechanism equipped with a stopper mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12227283U JPS6031613U (en) | 1983-08-08 | 1983-08-08 | Coarse and fine movement device for focusing of surveying instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12227283U JPS6031613U (en) | 1983-08-08 | 1983-08-08 | Coarse and fine movement device for focusing of surveying instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6031613U true JPS6031613U (en) | 1985-03-04 |
| JPH028242Y2 JPH028242Y2 (en) | 1990-02-27 |
Family
ID=30279552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12227283U Granted JPS6031613U (en) | 1983-08-08 | 1983-08-08 | Coarse and fine movement device for focusing of surveying instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6031613U (en) |
-
1983
- 1983-08-08 JP JP12227283U patent/JPS6031613U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028242Y2 (en) | 1990-02-27 |
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