JPH0297611U - - Google Patents
Info
- Publication number
- JPH0297611U JPH0297611U JP1989005496U JP549689U JPH0297611U JP H0297611 U JPH0297611 U JP H0297611U JP 1989005496 U JP1989005496 U JP 1989005496U JP 549689 U JP549689 U JP 549689U JP H0297611 U JPH0297611 U JP H0297611U
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- bubble
- image
- reflecting
- bubble tube
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Telescopes (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
第1図は、この考案の1実施例の反射鏡を用い
た気泡管視認装置を有するレベルの側面図、第2
図、第3図は、反射鏡装置の他の実施例の構成を
示す斜視図、第4図、第5図は従来の気泡管視認
装置を有するレベルの側面図である。
1:レベル本体、2:気泡管、3:反射鏡、4
:ペンタプリズム、5:第1の反射鏡、6:第2
の反射鏡、7:接眼レンズ、8:支持枠、9:コ
字状鏡部材。
Figure 1 is a side view of a level with a bubble tube visualizing device using a reflector according to one embodiment of this invention;
3 are perspective views showing the configuration of other embodiments of the reflecting mirror device, and FIGS. 4 and 5 are side views of a level including a conventional bubble tube visual recognition device. 1: Level body, 2: Bubble tube, 3: Reflector, 4
: Pentaprism, 5: First reflecting mirror, 6: Second
7: eyepiece lens, 8: support frame, 9: U-shaped mirror member.
Claims (1)
の像を前下方に反射する第1の反射鏡と、該第1
の反射鏡に略45°の角度で対向する第2の反射
鏡とを設け、これによつて気泡の像をレベル本体
の光軸方向に反射することを特徴とする気泡管用
反射鏡装置。 Above the bubble tube attached to the surveying instrument body, there is a first reflecting mirror that reflects the image of the bubble forward and downward;
A reflecting mirror device for a bubble tube, characterized in that a second reflecting mirror is provided opposite the reflecting mirror at an angle of approximately 45°, thereby reflecting an image of a bubble in the optical axis direction of a level body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989005496U JP2505644Y2 (en) | 1989-01-23 | 1989-01-23 | Reflector device for bubble tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989005496U JP2505644Y2 (en) | 1989-01-23 | 1989-01-23 | Reflector device for bubble tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0297611U true JPH0297611U (en) | 1990-08-03 |
JP2505644Y2 JP2505644Y2 (en) | 1996-07-31 |
Family
ID=31208922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989005496U Expired - Lifetime JP2505644Y2 (en) | 1989-01-23 | 1989-01-23 | Reflector device for bubble tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2505644Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0479208U (en) * | 1990-10-29 | 1992-07-10 | ||
WO2015040807A1 (en) * | 2013-09-18 | 2015-03-26 | Canon Kabushiki Kaisha | Optical unit, optical element and method for manufacturing the same |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3869806A (en) * | 1972-05-10 | 1975-03-11 | David H Humphrey | Levelling instrument |
US4082466A (en) * | 1976-06-14 | 1978-04-04 | Realist, Inc. | Optical sighting instrument |
JPS5422843A (en) * | 1977-07-20 | 1979-02-21 | Minolta Camera Co Ltd | Reflecting mirror of pentagonal roof |
JPS5426186A (en) * | 1977-07-29 | 1979-02-27 | Kawai Musical Instr Mfg Co | Method of dampproof packing of grand piano |
JPS5488093A (en) * | 1977-12-24 | 1979-07-12 | Monsanto Co | Field luminous semiconductor display unit |
JPS565519A (en) * | 1979-06-27 | 1981-01-21 | Hideo Ogawa | Zenith observing device through which inverted image is visible |
JPS57162513U (en) * | 1981-04-07 | 1982-10-13 | ||
JPS5823055A (en) * | 1981-08-05 | 1983-02-10 | Fuji Xerox Co Ltd | Optical system |
JPS5829442U (en) * | 1981-08-20 | 1983-02-25 | 株式会社精工舎 | thermal printer |
-
1989
- 1989-01-23 JP JP1989005496U patent/JP2505644Y2/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3869806A (en) * | 1972-05-10 | 1975-03-11 | David H Humphrey | Levelling instrument |
US4082466A (en) * | 1976-06-14 | 1978-04-04 | Realist, Inc. | Optical sighting instrument |
JPS5422843A (en) * | 1977-07-20 | 1979-02-21 | Minolta Camera Co Ltd | Reflecting mirror of pentagonal roof |
JPS5426186A (en) * | 1977-07-29 | 1979-02-27 | Kawai Musical Instr Mfg Co | Method of dampproof packing of grand piano |
JPS5488093A (en) * | 1977-12-24 | 1979-07-12 | Monsanto Co | Field luminous semiconductor display unit |
JPS565519A (en) * | 1979-06-27 | 1981-01-21 | Hideo Ogawa | Zenith observing device through which inverted image is visible |
JPS57162513U (en) * | 1981-04-07 | 1982-10-13 | ||
JPS5823055A (en) * | 1981-08-05 | 1983-02-10 | Fuji Xerox Co Ltd | Optical system |
JPS5829442U (en) * | 1981-08-20 | 1983-02-25 | 株式会社精工舎 | thermal printer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0479208U (en) * | 1990-10-29 | 1992-07-10 | ||
WO2015040807A1 (en) * | 2013-09-18 | 2015-03-26 | Canon Kabushiki Kaisha | Optical unit, optical element and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
JP2505644Y2 (en) | 1996-07-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |